C# Programming is a widely-used, versatile, and powerful programming language that offers a range of possibilities for developing software applications. C# Programmers can create custom software solutions for clients, ranging from desktop and mobile apps to web-based applications and games. By hiring an expert C# Programmer on Freelancer.com, clients can take their projects to new levels of efficiency, interactivity, and performance. Here's some projects that our expert C# Programmers made real:

  • Database synchronization tools for central server management
  • Augmented Reality integration for mobile and desktop applications
  • Card game development in Flutter
  • Setting up secure VPN connections via BlueStacks5 emulator
  • NinjaTrader 8 future trading strategy development
  • Windows application creation for various business needs
  • Web development using C# for robust web-based applications
  • Desktop software solutions for wholesale business goods accounting
  • Object Oriented Programming with Hash Dictionary in C#
  • Fuzz testing harness creation using AFL (American Fuzzy Lop) for Windows Services

All of these projects and many more became a reality thanks to the talented C# Programmers found on Freelancer.com. We've got a vast community of experienced developers just waiting to help bring your ideas to life. With our simple-to-use platform, getting started has never been easier - simply post your project details, and our freelancers will bid to offer you their services.

The possibilities are endless when you invite the right talent into your project. Don't wait any longer - post your own project today and hire an expert C# Programmer on Freelancer.com. Your next great idea is just waiting to be brought to life.

From 216,339 reviews, clients rate our C# Programmers 4.9 out of 5 stars.
Hire C# Programmers

C# Programming is a widely-used, versatile, and powerful programming language that offers a range of possibilities for developing software applications. C# Programmers can create custom software solutions for clients, ranging from desktop and mobile apps to web-based applications and games. By hiring an expert C# Programmer on Freelancer.com, clients can take their projects to new levels of efficiency, interactivity, and performance. Here's some projects that our expert C# Programmers made real:

  • Database synchronization tools for central server management
  • Augmented Reality integration for mobile and desktop applications
  • Card game development in Flutter
  • Setting up secure VPN connections via BlueStacks5 emulator
  • NinjaTrader 8 future trading strategy development
  • Windows application creation for various business needs
  • Web development using C# for robust web-based applications
  • Desktop software solutions for wholesale business goods accounting
  • Object Oriented Programming with Hash Dictionary in C#
  • Fuzz testing harness creation using AFL (American Fuzzy Lop) for Windows Services

All of these projects and many more became a reality thanks to the talented C# Programmers found on Freelancer.com. We've got a vast community of experienced developers just waiting to help bring your ideas to life. With our simple-to-use platform, getting started has never been easier - simply post your project details, and our freelancers will bid to offer you their services.

The possibilities are endless when you invite the right talent into your project. Don't wait any longer - post your own project today and hire an expert C# Programmer on Freelancer.com. Your next great idea is just waiting to be brought to life.

From 216,339 reviews, clients rate our C# Programmers 4.9 out of 5 stars.
Hire C# Programmers

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    80 jobs found

    I need a .NET program for data processing, specifically for data storage and retrieval using an embedded SQLite database. Need someone based in Mumbai only. As would like the persont to be onsite all the time. Key Requirements: - Develop a .NET application - Implement data storage and retrieval functionalities - Embed SQLite database Ideal Skills and Experience: - Proficiency in .NET development - Experience with SQLite integration - Strong understanding of data processing principles

    $633 Average bid
    $633 Avg Bid
    10 bids

    I'm seeking an experienced app developer to create a comprehensive livestock and dairy management application. This app will be used to track multiple farms and multiple users, providing a centralized dashboard for all activities. Key Features Needed: - Animal Tracking: Monitor all animals across farms, including health logs, births, deaths, and reproduction events. - Milk Production Monitoring: Track milk production metrics with various indicators. - Health and Medication Logs: Maintain detailed health records and medication logs for each animal. - Multi-Farm and User Support: Ability to manage multiple farms and allow multiple users to log in. - Dashboards: User-friendly dashboards to visualize all the above metrics. - Weighing and Indicators: Weighing functionalities along with va...

    $581 Average bid
    $581 Avg Bid
    62 bids

    Job Title: C# WinForms Developer to Implement Licensing + 30‑Day Trial and WooCommerce License Integration Project Overview I have an existing Windows desktop application built with C# WinForms (.NET). I want to: Offer a 30‑day free trial. After 30 days, show a license key / activation window and block full use until a valid license is entered. Sell license keys online using a WordPress site with WooCommerce and a license manager plugin. I’m looking for an experienced developer to implement the trial and licensing logic in my C# app and integrate it with WooCommerce license generation. Scope of Work 1. Licensing Design & Setup Review and work with (or recommend) a WooCommerce license manager plugin (for example: WooCommerce Software Add‑On, WooCommerce API Manager, or a simila...

    $482 Average bid
    $482 Avg Bid
    95 bids

    I’m tired of failing the little “keep-it-in-the-box” skill check that pops up in FiveM. The mechanic is simple: hold left-click to keep the cursor inside the moving box, release when needed, repeat until the timer ends. I’d like a small, reliable script that finishes this mini-game for me every time. Here’s what I need: • When I press F10, the script activates. • From that moment until the mini-game ends, it should simulate the precise left-click holds and releases required to keep the indicator inside the box without human input. • As soon as the game signals success, the script stops and re-enables normal mouse control. The solution can be a FiveM client-side Lua/C# resource or an external tool (AutoHotkey, Python, C++, etc.) as long as...

    $193 Average bid
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    47 bids

    Custom Cloud-Based Inventory Management System for Quick Service Restaurant Project Overview: We're seeking a skilled cloud software developer to design and implement a customized inventory management system for our quick service restaurant chain. The system should track goods from receipt at our central prep kitchen to preparation, distribution to individual stores, and usage in dishes. The system should also integrate with Aloha POS to track actual dish sales and reconcile inventory levels. Key Features: 1. Inventory Tracking: Track goods received, stored, and issued from the central prep kitchen to individual stores. 2. Recipe Management: Manage recipes and ingredients used in dishes, including quantities and waste tracking. 3. Dish Tracking: Track dishes prepared and sol...

    $2460 Average bid
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    57 bids

    I’m looking for a developer who can build a small application that keeps my computer productive even when I’m away. The idea is straightforward: once the bot is installed it should launch on its own, perform a series of predefined actions, and log what it has done so I can review its activity later. Because I may need to run it on different machines, I’d like you to recommend the most stable tech stack, then package everything so setup is as simple as possible—ideally a single installer or script with clear, step-by-step instructions. Here’s what I expect at hand-off: • A runnable bot capable of starting itself automatically, performing the agreed-upon tasks continuously or at sensible intervals, and stopping safely on command. • Human-readabl...

    $145 Average bid
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    82 bids

    I am a Full Stack Software Developer specializing in React, .NET Core, Web APIs, and database-driven applications. I’m looking for a Agent who can actively find and bring software development clients for me on a commission basis. Your primary responsibility will be to identify, approach, and close potential clients who need custom software development services such as websites, web apps, APIs, dashboards, or full-stack solutions. This is a long-term opportunity for someone who understands sales, freelancing platforms, or B2B client outreach.

    $222 Average bid
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    7 bids

    I need a lightweight desktop application to streamline daily tasks at our hospital’s reception desk. The core of the system is straightforward: let staff book patient appointments quickly and save every visit’s details in one place. Each new patient also receives an automatically generated daily token number, so the queue stays organized without extra paperwork. Alongside appointments, I want to keep a concise record of doctor information—just the name is enough—so receptionists can link each booking to the correct physician. Basic patient data and visit notes should be stored for easy retrieval on future visits. I’m open to the tech stack, provided the final build runs smoothly on standard Windows PCs, stores data locally (or in a simple network-shared ...

    $39 Average bid
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    23 bids

    I’m building a fast-paced, side-scrolling action title in Unity and need a developer who can take it from concept to a polished, cross-platform release on both PC and mobile. All core gameplay systems—movement, combat, enemy AI and basic UI—must feel tight and responsive, with assets and code structured for easy iteration inside the Unity Editor using C#. My art team will supply sprites, animation sheets and audio; your focus is on gameplay logic, level flow and platform-specific optimisation. Touch controls will sit alongside keyboard/game-pad input, so please factor in an adaptable input scheme and resolution-agnostic UI layouts from the outset. Deliverables I’d like to see: • A playable vertical slice with one complete level, basic menu and pause screen ...

    $10 / hr Average bid
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    15 bids

    I have a Windows-based productivity desktop application that is almost ready for release, and I need a detailed, functionality-focused review. The assignment is straightforward: install the app on a Windows 10 or 11 machine, use every feature as an everyday user would, and record exactly how each function behaves. I’m interested only in what the app does and whether it does it correctly—visual polish and performance metrics are outside this scope. Please pay close attention to workflow logic, data handling, error messages, and how well edge-cases are managed. If you spot anything confusing, missing, or broken, capture it with a screenshot or short screen recording. Deliverables I need from you: • A succinct issue log with severity or priority tags • Clear steps to...

    $60 Average bid
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    8 bids

    I am a Full Stack Software Developer specializing in React, .NET Core, Web APIs, and database-driven applications. I’m looking for a Agent who can actively find and bring software development clients for me on a commission basis. Your primary responsibility will be to identify, approach, and close potential clients who need custom software development services such as websites, web apps, APIs, dashboards, or full-stack solutions. This is a long-term opportunity for someone who understands sales, freelancing platforms, or B2B client outreach.

    $75 Average bid
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    8 bids
    Betfair Odds Scraper -- 2
    5 days left
    Verified

    I need a reliable script that pulls pre-match odds for Football, Basketball and Tennis directly from Betfair once every day and saves them in a structured format I can ingest (CSV or JSON is fine). The scraper should: • Cover all scheduled events for the three sports, capturing market name, selection, odds, event start time, competition and Betfair event ID. • Run from a simple command (or cron) without manual intervention and overwrite or append cleanly so there are no duplicate rows. • Handle Betfair’s login, session renewal and standard rate limits gracefully. • Deliver the cleaned dataset plus the well-commented source code and a brief README explaining setup, dependencies and how to change scrape frequency if needed. I will test by running the j...

    $457 Average bid
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    52 bids

    I need a custom add-in (macro, VSTO, or Office JS—whichever you favour) for Word 2019 or later that turns Word into a lightweight template engine. Core workflow • In Word I create a normal document containing standard paragraphs, tables, images, etc. Your add-in must let me mark variable fields inside that content. • A separate XML model file describes every field/property. When I press “Load Model” the add-in reads the XML and shows the structure in its own window. From there I simply click a property to insert the appropriate placeholder into the document. • The same window should also let me drop in control commands such as loops/foreach so I can repeat sections. UI expectations Two custom windows are required: 1. Model Browser – lists ...

    $30 / hr Average bid
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    31 bids

    I’m looking for a seasoned QuantConnect developer to turn my detailed execution playbook into a live-ready trading algorithm. The strategy must simultaneously cover ten Vanguard ETFs (VIS, VAW, VTWO, VIOO, VTWG, VBK, VIOG, VTWV, VIOV, VFMO) and respect a strict technical rule-set: • Entries fire the moment price touches the 50-day moving average while the RSI confirms healthy momentum. • Exits trigger on a decisive break of the 200-day moving average. • A momentum accelerator and my own “Quantum Edge Meta-Classifier” sit on top to refine every signal. Precision of technical signals, flexibility in position sizing, and a robust audit trail are equally critical; none can be sacrificed. Market regimes (normal, uncertain, stress) must be detected and hand...

    $492 Average bid
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    125 bids

    I need a lean, well-documented C++ plugin that hooks into the Euro Truck Simulator 2 engine via the official SCS Telemetry SDK and compiles to a drop-in DLL. The core task is to stream live game data out of ETS2 so it can be consumed by an external service over HTTP POST. Highest priority is the Navigation & Location feed: the plugin must emit the truck’s current world coordinates along with clear route-progress metrics in real time. In the same packet—or in parallel endpoints if you prefer—I also want truck status (fuel, speed, lights, engine), full job information, damage & wear values, and gameplay events. I will fine-tune the exact struct layouts with you once development starts. Deliverables • C++ source using SCS Telemetry SDK, ready to compile with...

    $72 Average bid
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    15 bids

    I want a clean, well-documented set of sample projects that demonstrate how ChatGPT (or another OpenAI-compatible endpoint) can be wired into Outlook, Teams, and SharePoint, plus a React-based SPFx web part. The goal is to show three core capabilities—automated responses, data analysis, and end-to-end task automation—inside the Microsoft 365 ecosystem. Here is what I need: • A minimal Outlook add-in that calls the AI endpoint to draft or summarise email replies on demand. • A Teams sample (bot or messaging extension) that receives a user prompt, forwards it to the same endpoint, and returns the answer in the chat thread. • A SharePoint page enhanced with a React SPFx custom web part that accepts user input, streams the AI response, and optionally writes th...

    $21 Average bid
    Guaranteed
    $21
    2 entries
    ASP.NET Core Web Build
    4 days left
    Verified

    The project is an ASP.NET Core web application backed by MS SQL Server. I already have the base solution set up and connected to the database; what I need now is an advanced .NET developer who can push the codebase forward, polish architecture decisions, and keep everything aligned with the most recent ASP.NET Core best practices. Front-end pages are rendered with Angular and, in a few feature areas, Vue components, so you’ll occasionally collaborate with the UI layer and make sure the API contracts remain clean and stable. Key areas I want you to focus on: • New feature implementation in C#, ASP.NET Core, and Entity Framework Core • RESTful API design and integration with existing Angular/Vue views • Query optimisation and indexing on MS SQL Server, including p...

    $22 / hr Average bid
    $22 / hr Avg Bid
    196 bids

    I’m ready to move immediately on a new C++ desktop application and need a developer who can deliver fast. The core idea is a straightforward software utility; I’ll share the full functional outline as soon as we start so you can jump right into coding. You should be comfortable building a modern C++17 (or newer) code-base and creating a smooth desktop GUI—Qt, wxWidgets, native Win32, or another toolkit you recommend are all fine, as long as the final result feels polished and runs reliably. Clean architecture, clear documentation, and maintainable code are important to me because this project may evolve after the first release. Deliverables I expect: • Compiled desktop installer or portable executable • Complete, well-commented source code • A short b...

    $413 Average bid
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    93 bids

    I need a Windows desktop application written in C#/.NET that faithfully reproduces the behaviour of my current software—yet there is no documentation or source code to reference. Your first milestone will involve analysing the existing executable, mapping out its logic, and rebuilding the same core flow from scratch, including all API interactions that keep the program functional. Once parity is reached, I want a handful of bespoke improvements folded in before moving on to Phase 2: a secure, browser-based admin panel that lets me manage users, licensing, and configuration parameters remotely. The admin back end can be built with the stack you are most comfortable with so long as it integrates cleanly with the desktop client and follows solid authentication practices. Deliverab...

    $166 Average bid
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    34 bids

    Hello, I am looking for someone who can write a program for an ESP32. I have an ESP32 wrover devkit c. I also have about 40 ledvance smartlights ble mesh (gu dimmable white). I have installed the nrf mesh app, but would like to have communication with my home assistant server. I would need an ESP program that can make a ble mesh network or can be integrated in one. The ESP will be directed by mqtt (home assistant server) and will than be able to put the lights on/off, change their colour, change the light intensity. The lights can be provisioned by the ESP, but if not possible, I can also do this myself by means of the nrf mesh app. I would need a program for a network that can contain about 40 lamps. We can do the test with 3 lamps. After a successful test, I will then add the rest of th...

    $170 Average bid
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    39 bids

    Project: Multi-Tenant SaaS Orchestration & Billing Platform for AI Bots (WhatsApp) Project Overview: We are building a scalable, multi-tenant Software-as-a-Service (SaaS) platform. This platform will act as a central orchestration, control, governance, and billing layer for AI-driven conversational bots (built on Retail AI) that serve multiple industries, starting with WhatsApp as the primary channel. The core value is to allow us to manage multiple end-clients (businesses) independently, each with their own bots, under a single, unified system with strict usage controls and automated subscriptions. Core System Objectives: Multi-Tenant Architecture: Isolated accounts and data for each end-client (company). Orchestration & Control: Centralize business logic and act as t...

    $535 Average bid
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    159 bids

    Summary First come, first served – Urgent Backend Developer for MVP Extension I am urgently looking for an experienced Backend Developer to further develop an existing MVP. All data, access credentials, and technical foundations are already in place — this is a pure execution task, not a conceptual one. Project Details Project status: MVP already built, close to production Deadline: February 19 (fixed) Start: Immediately Collaboration: Remote Tech Stack: - C# - JavaScript - CSS - ASP.NET Core MVC What you can expect: - Clearly defined tasks and fast decision-making - Fully prepared data and infrastructure - Direct collaboration with the founder - High potential for follow-up projects after successful delivery - Startup environment with a real product and growth perspe...

    $579 Average bid
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    188 bids

    I need a fully automated buy-and-sell system that trades stocks using a pure scalping approach. The program should read real-time market data, identify short-lived price opportunities, and place orders instantly without manual confirmation. I already have the basic entry and exit logic sketched out, but I want it coded, optimized, and stress-tested so it can run unattended during live sessions. Key deliverables • Production-ready source code, clearly commented • Configuration panel for position size, risk limits, and session times • Back-test and forward-test reports showing fill latency and win-rate under high-volume conditions • Deployment guide so I can install, connect to my broker, and go live in one session Acceptance criteria 1. Average round-trip tra...

    $83 Average bid
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    8 bids

    I need an ASP.NET Web API that external partners can safely call to create, read, update, and delete transactional data. The service will sit in front of an existing external database, so the project covers building the endpoints and wiring them to that data source through Entity Framework (or another lightweight ORM if you can justify the choice). I’m interested in a clean REST-style design, proper HTTP status use, and solid exception handling so third-party developers can integrate without surprises. Key deliverables: • Fully functional ASP.NET Web API project targeting .NET 6 or later • CRUD endpoints for all transactional entities mapped to the external database • Token-based authentication and role-based authorization • Swagger / OpenAPI docs generat...

    $8 / hr Average bid
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    78 bids

    We are looking for a developer with experience in simple game UI design and proficiency in C# and Unity. If you are an expert, this task can be completed in 2-3 days. The budget is 180. I will provide the specifications through conversation. Before that, please share any experience in designing game UIs, along with code and a video of an application (it doesn't have to be a game) developed using C# and Unity. I won’t waste time on unnecessary conversations. There is no need for a detailed proposal, just provide a video URL and materials that can prove your expertise. The specifications are already clear, so we can start the work immediately with minimal conversation.

    $138 Average bid
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    59 bids

    I need a custom in-game mod menu for Animal Rivals. I play the VR version but launch it through Steam Link on my PC, so the solution has to hook into the standard Steam build and still display comfortably inside the VR headset. Core features I want to toggle on and off: • Unlock all levels from the start • Infinite ammo with noticeably faster shooting The menu must be reachable in both single-player and multiplayer sessions without causing desyncs or crashes for other players. A button combination on the VR controllers (or a keyboard shortcut that carries over through Steam Link) to open/close the menu would be ideal. Deliverables • The compiled mod / injector ready to drop into the game folder • Any supporting files or configuration needed for Steam Link + VR co...

    $23 Average bid
    $23 Avg Bid
    18 bids
    PowerApps Active Lookup Form
    3 days left
    Verified

    I need a straightforward PowerApps form that connects four existing SharePoint Lists—a master list plus three lookup lists. Every lookup list contains a Yes/No column named “active.” The form must: • Present a simple, clean layout that looks and behaves the same on desktop and mobile. • Offer lookup choices only when the corresponding item’s “active” value is Yes; inactive items may not appear or be selectable. • Write the selected values back to the master list exactly as today, without breaking existing columns or list relationships. I will provide access to the lists and their current schema. You can build directly in my tenant or deliver the .msapp file for import—whichever you prefer. Please configure any necessary f...

    $30 Average bid
    $30 Avg Bid
    27 bids

    I need a skilled C++ developer to: 1. Update my existing code from using WMIC to PowerShell. 2. Correct the URL in the code to ensure it displays the correct image. 3. Adjust the login pattern in the code to align with recent updates made by the site.

    $102 Average bid
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    8 bids

    About the Project AACE (Autonomous Agentic Commerce Engine) is moving e-commerce from Software-as-a-Service to Software-as-Labor. We are building a digital workforce of autonomous agents that don't just "chat," but execute complex operational workflows (inventory rebalancing, dynamic pricing, and logistical resolution) via direct API orchestration. The MVP is live. The architecture is built. I am a solo founder who has built this through disciplined, 15-hour daily sprints. I am now looking for a "force-multiplier"—a brilliant engineer to help move the system from "Human-in-the-Loop" to full autonomy. The Mission We are not building another chatbot wrapper. We are building an orchestration layer for the automated economy. You will be responsible...

    $244 Average bid
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    20 bids

    Copilot will soon sit at the heart of our daily operations, connected seamlessly to Microsoft 365 and our ERP. The priority is clear: boost overall work efficiency by automating repeated tasks, surfacing insights instantly, and placing an AI assistant at every employee’s fingertips. Your assignment is to build, tailor, and continually refine this Copilot environment with deep integration into our existing system Microsoft Dynamic. That includes crafting high-quality prompts, setting up Power Automate flows where they add real value, and tuning the model so it improves week after week. I also expect hands-on enablement: staff must leave each workshop able to rely on Copilot confidently in Microsoft Dynamic, and the ERP screens they already know. Because integration is the most c...

    $12 / hr Average bid
    $12 / hr Avg Bid
    16 bids

    We're looking for a Backend Developer – .NET, 100% remote, European CET time Modernization Project within 3-6 months with ongoing support later, flexible working hours, part-time commitment is allowed You will be responsible for the core modernization and reliability of our internal testing application's backend. This system handles critical measurement data from electronic device validation. Your mission is to lead the technical upgrade from a legacy .NET system to .NET 4, and support the migration off the database from MSSQL to PostgreSQL, and build / extend the REST API to support a new, powerful frontend. Key Responsibilities: • Backend System Upgrade: Plan and execute the migration of the existing application backend from an older .NET version to .NET 4/4.8 (or .N...

    $16 / hr Average bid
    $16 / hr Avg Bid
    136 bids

    We are looking for a seasoned C# / UI Engineer to take ownership of our application's UI architecture. We are currently modernizing our technology stack and migrating heavily toward Unity UI Toolkit. In this role, you will architect a reactive, scalable UI system that operates seamlessly across both mobile and desktop platforms. While Unity is our core framework, we place greater value on strong C# engineering fundamentals than on traditional “gameplay” scripting. If you come from a .NET/WPF background and want to apply those skills to a high-performance visual application, this role is an excellent fit. Your Responsibilities: • UI Architecture: Lead the implementation of new features using Unity UI Toolkit, replacing legacy UI systems with modern, maintainable standa...

    $2643 Average bid
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    138 bids

    I’m building a custom ASP.NET MVC web application whose centerpiece is an interactive dashboard. The dashboard must surface key metrics with clear visualisations and allow me to drill down, filter and export data-driven insights on demand. Custom report generation is critical: users need to click a button and receive a professionally formatted PDF powered by the iTextSharp library. Your job is to wire up the MVC project, design the views and controllers for the analytics area, and integrate iTextSharp so the same data that feeds the on-screen charts can also be compiled into downloadable reports. I already have a SQL Server schema in place; you’ll connect to it via Entity Framework (Code First or Database First is fine) and shape the queries that drive both the dashboard wid...

    $8 / hr Average bid
    $8 / hr Avg Bid
    91 bids

    I want a small Windows-based program that runs quietly in the background, keeps an eye on one or more Outlook accounts, and follows a simple routine: • As soon as a new message arrives, the tool checks the subject line (and, if I choose, the sender). • If the message matches a rule I have defined, every attachment is saved to a folder I pick through a standard file-explorer dialog. • Once the files are stored, the email is marked as read and moved into a sub-folder of the same mailbox. Because I manage several projects, I need a compact user interface where I can add or edit these rules myself—always following the same pattern of “subject / optional sender → destination folder”. Future rules should be created in seconds without touching the cod...

    $185 Average bid
    $185 Avg Bid
    52 bids

    I’m planning a next-generation survival-horror title for every major console and need a Unity specialist (or team) who can turn a chilling concept into a technically polished, visually stunning experience. The mandate is clear: photo-real graphics, cinematic lighting and shaders, fluid animation, and gameplay systems that keep tension high without sacrificing frame rate on console hardware. From level streaming and controller-responsive combat to interactive environmental puzzles, every mechanic must feel seamless and intuitive. What I’ll rely on you for: • Building the full project in Unity (latest LTS), set up for PS5, Xbox Series X|S, and Switch performance targets. • Crafting realistic assets, PBR materials, post-processing, and dynamic lighting that sell ...

    $384 Average bid
    $384 Avg Bid
    59 bids

    I need a Windows-compatible desktop application that serves as the cash book for my business. The software must let several staff members log in at the same time, record every incoming or outgoing transaction, issue and track invoices, and produce clear daily, weekly, and monthly reports I can export to PDF or Excel. A straightforward interface, secure multi-user access, and reliable data storage (SQLite or any equally light local database) are important so we can start using it right away without extra infrastructure. Deliverables • Installable Windows executable • Full, well-commented source code • Concise setup & user guide Acceptance criteria • Accurate transaction posting with running balance • Invoice creation, editing, and status tracking ...

    $818 Average bid
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    19 bids

    I run a Tabletop RPG campaign and I’d like a small standalone tool that can do two things brilliantly: 1) auto-generate random encounters for my players, and 2) keep track of in-game days and time. Random Encounters The encounters should pull from a list that I can edit at any time. Based on input criteria such as biome, time of day, etc., the table to should automatically narrow the list to fit. Day & Time Tracking Time advances only when I tell it to. A quick manual entry—“+3 hours,” “new day,” etc.—should update the clock and calendar, stamp the current encounter with that time, and store the history so I can scroll back if needed. No real-time countdowns or enforced turn systems. Suggested Deliverables • A runnable appli...

    $160 Average bid
    $160 Avg Bid
    43 bids

    I run a live production app that combines a .NET 8 microservice back-end with a React Native front end, hosted on Ubuntu servers in AWS. Right now the most urgent need is to deliver new functionality, and nearly all of that work sits squarely on the back end. Your first assignments will centre on extending our microservice architecture and exposing new, well-documented APIs. You’ll be writing C#, containerising services, wiring events through RabbitMQ, and persisting data in PostgreSQL—then shipping the code straight into production. I pay $6/hour for hands-on development only; time spent reading code, researching, or experimenting is on the freelancer. Work independently, own your tasks, communicate clearly, and suggest improvements when you see them. Do that well and there&r...

    $8 / hr Average bid
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    105 bids

    WORKFLOW MANAGEMENT SYSTEM Enterprise UI Development – Blazor C# Web + iOS + Android Mobile Apps January 20, 2026 Key Facts - Platform: Web (Responsive) + iOS + Android (via Blazor Hybrid) - Pages: 9 major pages + 30+ components - API Endpoints: 90+ (backend ready) - Database: SQL Server (35+ tables) - Timeline: 8-12 weeks 1. PROJECT OVERVIEW Seeking a Senior Blazor C# developer to build the UI layer for an enterprise UGC Workflow Management System. Backend is production-ready (.NET 8, 18 controllers, 12 services, 90+ endpoints, JWT/RBAC, PDF/DOCX generation, workflow engine). Goal: modern, responsive UI for Web, iOS, Android with ~90% code sharing. 2. SYSTEM FEATURES (10 CORE PILLARS) 1) Workflow Management: Request lifecycle, multi-stage progression, routing, assignment, approv...

    $2319 Average bid
    $2319 Avg Bid
    161 bids

    I need a Windows-compatible desktop application built from scratch. At this stage the concept is defined at a high level, so I’m ready to discuss use-cases, UI flow, and the most suitable tech stack—whether that ends up being .NET, C#, C++, or another approach you can justify. Here’s what I expect once we agree on specifications: the compiled installer, well-commented source code, and a concise setup/user guide so I can maintain or extend the program later. Clean architecture, clear documentation, and timely progress updates are important to me, and I’m happy to iterate quickly through milestones to keep everything on track. If you have a strong background in Windows software development and can walk me through the best way to turn the requirements into a reliable...

    $84 Average bid
    $84 Avg Bid
    30 bids

    We're looking for an experienced Unity VR developer/debugger to help us diagnose an intermittent crash in our Unity-based VR application during a 1 hour diagnostic session. The primary task will be to review error logs we've collected and determine whether the logged errors are directly related to the crash, indirectly contributing, or unrelated. This is a short-term debugging/analysis task, not a full development role to start. Responsibilities: Review Unity error logs and crash logs provided Analyze stack traces, exceptions, and warnings Determine whether the logged errors are likely causing or contributing to the intermittent crash Explain findings clearly and concisely Suggest potential next debugging steps or fixes if applicable Required Experience: Strong experience wit...

    $34 / hr Average bid
    $34 / hr Avg Bid
    55 bids

    I need a SharePoint site primarily for internal document management and statistics report management Key Requirements: - Implement version control on documents - Set up access permissions for the internal team Ideal Skills: - Experience with SharePoint setup and configuration - Familiarity with version control and access permissions - Strong background in document management systems Looking for a freelancer who can create a structured, user-friendly environment for our internal team.

    $96 Average bid
    $96 Avg Bid
    26 bids

    We are looking for a senior SharePoint freelancer (SharePoint Online / Microsoft 365) who is highly experienced in building SharePoint-based data structures, Power Automate flows, and Power BI dashboards. Goal: Create a Group Marketing Dashboard with: One overall Group overview Separate, clickable dashboards per entity (each entity can view its own KPI page, plus Group leadership can see the consolidated overview) Scope / What we need SharePoint data model Create SharePoint Lists (or improve existing ones) to store marketing KPI data KPI categories: Website KPIs (users/visits, sessions, engagement, conversions if available) SEO (impressions, clicks, rankings / GSC metrics if feasible) SEA (spend, clicks, conversions if feasible) Social Media performance (LinkedIn etc.) PR &...

    $546 Average bid
    $546 Avg Bid
    72 bids

    Over the past few days coordinated report attacks have almost cost me my Instagram account. Basic security such as 2-factor authentication is already enabled, yet the real threat comes from sudden waves of mass reporting that trigger automated bans. I need focused, real-time monitoring on Instagram only, with rapid alerts and an action plan that neutralises these attacks before they escalate. You will set up a reliable monitoring workflow (API, third-party dashboards, or your own toolset) that tracks spike patterns, flags anomalies, and shows me exactly when my account health is at risk. I’m counting on your experience with Meta’s systems to shorten response times, draft effective appeal templates, and keep my profile in good standing. Deliverables • Configure and connec...

    $133 Average bid
    $133 Avg Bid
    38 bids

    I'm operating a care home service in Sweden, currently housing six clients who permanently reside in my establishment. I am not interested in the existing systems on the market, as they are prohibitively expensive and do not meet my needs effectively. They lack integration, proper development, and adherence to standards. What I require is a tailored system for my clients that includes the following features: 1. Implementation Plan: For each of the six clients, the system should cover nine different life areas (such as communication, health, daily life, free time, etc.). Each life area should define a goal, specify WHAT actions need to be taken, identify WHEN these actions should occur, and designate WHO will be responsible for them and HOW. 2. Documentation: This feature will allow...

    $477 Average bid
    $477 Avg Bid
    117 bids

    I need an experienced Power Apps professional to architect, build, and fine-tune two interconnected solutions—a Canvas app and a Model-driven app—so our users enjoy a seamless, secure experience across desktop, tablet, and mobile. Project scope Both apps must share a common Dataverse backend, respect our existing security roles, and integrate smoothly with Power Automate flows and Microsoft 365 services (Teams, Outlook, SharePoint). The Canvas component will provide a highly tailored UI for frontline staff, while the Model-driven app will give supervisors deeper data management and reporting abilities without sacrificing performance or governance. Core tasks • Solution design: data model, security, environment strategy • Canvas UI/UX build with responsive layo...

    $11 / hr Average bid
    $11 / hr Avg Bid
    26 bids

    I’m building a real-time, free-walk VR tour of an industrial process facility to support our technical sales team. Using Unity, I want visitors to move naturally through the model, trigger light interactions (climb stairs, and interact lightly with the equipment using simple UI clicks) and hear a guided narrative that calls out key equipment. When a hotspot is reached, an overlay should appear with specifications, schematics or short video loops. The same project must run smoothly on HTC Vive, Meta Quest (both standalone and Link) and standard PC-based VR rigs, so solid experience with cross-platform asset management, GPU instancing and general performance optimisation is essential. Your portfolio should include at least one comparable free-locomotion or enterprise walkthrough ...

    $1079 Average bid
    $1079 Avg Bid
    65 bids

    I’m building an Android app on .NET 8.0 (C#) and now need a clean Bluetooth LE layer that focuses purely on data transfer. The peripheral expects short text commands from the phone and replies with either plain-text strings or a 20-byte hexadecimal payload, so the code must comfortably handle both directions without size-related work-arounds. What I need from you • A reusable C# class (or small library or Demo APP) that discovers the device, establishes a GATT connection, and exposes read / write / notify helpers for the relevant characteristics. • Support for sending arbitrary UTF-8 text strings and receiving responses up to 20 bytes in hex as well as longer text lines. • Connection-state callbacks (connected, disconnected, reconnect attempts) so the UI can rea...

    $336 Average bid
    $336 Avg Bid
    41 bids

    We are seeking a skilled software engineer/developer to collaborate on an ambitious project to develop a Game-as-a-Service (GaaS) platform. The project includes the following key components: 1. Server System Setup: Create a robust server system to house user information and provide authorized access to a video game database for downloading stored games. 2. BIOS Development: Develop a new BIOS system for proprietary hardware designed for this platform. 3. APK Creation: Build an APK compatible with various operating systems (iOS, Android, Windows, macOS) to enable access to the server and seamless gameplay. 4. Handheld Device Repurposing: Adapt a smart cellular phone to function as the primary handheld gaming device for playing video games. 5. Simultaneous Access Feature: Implemen...

    $3885 Average bid
    $3885 Avg Bid
    145 bids

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