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Freelance C# Winforms Developer Jobs (NOW HIRING)

C/C++, Python Other source control management tools; GIT, CVS, SVN Database Experience, e.g. Entity ... QT frameworks, Winforms Experience with Cloud platforms Qualifications Additional Information If ...

$85K - $106K/yr

You will report to the Manager, I&C Safety Software - Safety Reactor Systems Engineering and will ... We prefer familiarity with GUI development frameworks and tools such as Qt, WinForms, WPF, embedded ...

New

$69K - $106K/yr

You will report to the Manager, I&C Safety Software - Safety Reactor Systems Engineering and will ... We prefer familiarity with GUI development frameworks and tools such as Qt, WinForms, WPF, embedded ...

New

Work alongside senior engineers to design and implement innovative features * Stay informed about ... Familiarity with C# and UI frameworks such as WPF or WinForms * Understanding of COM, IPC ...

Firmware Engineer

Tustin, CA · On-site

$133K - $165K/yr

... WinForms/WPF) for diagnostics, calibration, and customer tools • Build and maintain test systems ... C/C++ • Experience with ARM-based microcontrollers (including Microchip SAM7 or similar) • ...

US Sogeti | US Sogeti

$56.25 - $69.75/hr

C * Can we use Freelancer? : No * Named Job Posting? (if Yes - needs to be approved by SCSC) : No ... Local Skills : Sr. Data Engineer * Languages Required: : english

C * Can we use Freelancer? : No * Named Job Posting? (if Yes - needs to be approved by SCSC) : No * Remote work possibility : (No Value) * Global Role Family : 60229 (P) Engineering * Local Role Name

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How much do freelance c# winforms developer jobs pay per hour?

As of Jul 22, 2026, the average hourly pay for freelance c# winforms developer in the United States is $22.97, according to ZipRecruiter salary data. Most workers in this role earn between $18.75 and $18.75 per hour, depending on experience, location, and employer.

What are some common challenges faced by freelance C# WinForms developers when working with clients remotely?

Freelance C# WinForms developers often encounter challenges such as clarifying client requirements and addressing legacy code in existing applications. Communication can be more complex when collaborating remotely, so it's important to establish clear project milestones and maintain regular updates. Additionally, ensuring compatibility across different Windows environments and handling deployment issues can require extra attention. Building strong client relationships and setting clear expectations from the start can help mitigate these challenges.

What is a Freelance C# Winforms Developer?

A Freelance C# Winforms Developer is a software professional who specializes in building desktop applications using the Windows Forms (WinForms) framework with the C# programming language. They work independently, providing their services to clients on a project-by-project basis rather than being employed by a single company. Their main responsibilities include designing, coding, testing, and maintaining Windows-based applications, often focusing on user interface design and functionality. Freelance developers typically manage their own schedules, clients, and project scopes.

What is the difference between Freelance C# Winforms Developer vs Freelance WPF Developer?

AspectFreelance C# Winforms DeveloperFreelance WPF Developer
Required SkillsProficiency in C#, Winforms, UI designProficiency in C#, WPF, XAML, UI/UX design
Work EnvironmentDesktop application development for WindowsDesktop application development with advanced UI features
Industry UsageBusiness tools, legacy systemsModern desktop apps, rich interfaces
CertificationsNone specific, general C#/.NET knowledgeSame as Winforms, plus XAML expertise

While both roles involve C# development for desktop applications, Winforms developers focus on traditional Windows Forms interfaces, often for legacy or business systems. WPF developers work on modern, visually rich applications using XAML. The choice depends on project requirements and UI complexity.

What are the key skills and qualifications needed to thrive as a Freelance C# WinForms Developer, and why are they important?

To excel as a Freelance C# WinForms Developer, you need strong proficiency in C#, .NET Framework, and experience designing and maintaining Windows Forms applications, typically backed by a degree in computer science or equivalent experience. Familiarity with Visual Studio, version control systems like Git, and knowledge of databases such as SQL Server are commonly required technical tools. Excellent problem-solving skills, self-motivation, and effective communication are crucial soft skills for managing client expectations and delivering quality solutions independently. These competencies are essential to create efficient, user-friendly applications and maintain successful client relationships in a competitive freelance environment.
More about Freelance C Winforms Developer jobs
What cities are hiring for Freelance C# Winforms Developer jobs? Cities with the most Freelance C# Winforms Developer job openings:
What are the most commonly searched types of C# Winforms Developer jobs? The most popular types of C# Winforms Developer jobs are:
Infographic showing various Freelance C# Winforms Developer job openings in the United States as of July 2026, with employment types broken down into 66% Full Time, 6% Part Time, and 28% Contract. Highlights an 78% In-person, and 22% Remote job distribution, with an average salary of $47,772 per year, or $23 per hour.

Chatbot Developer (WhatsApp, Telegram, Discord) - Freelance

Mindrift

Dallas, TX • On-site, Remote

$60/hr

Part-time

Posted 11 days ago


Job description

Mindrift is looking for skilled Bot Developers (WhatsApp Business API, Telegram Bot API, Discord API) to join the Tendem project (https://tendem.ai/) and build conversational bots and messaging-platform integrations within our hybrid AI + human environment. In this role, as an AI Pilot - that's how we refer to this position at Mindrift - you'll collaborate with Tendem Agents that handle repetitive tasks, while you provide bot engineering expertise, conversational design judgment, and quality control to ensure bots are reliable, useful, and ready for real users. This part-time remote opportunity is ideal for professionals with hands-on experience building messaging bots, working with platform APIs and webhooks, and implementing conversational logic. 

What We Do 

The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into real-world expertise from across the globe.

About the Role 

This is a freelance role for a Tendem project. As a Bot Developer, you'll design, build, and refine messaging bots for one or more messaging platforms, including WhatsApp, Telegram, Discord, Slack, and similar platforms - for use cases such as customer service, appointment booking, order taking, content delivery, moderation, and automated notifications.

Key Responsibilities

  • Build bots for one or more messaging platforms, such as WhatsApp (Business API / Cloud API), Telegram (Bot API), Discord, Slack and similar messaging platforms.
  • Design and implement conversational flows, dialogue state, and fallback handling.
  • Integrate bots with LLMs (OpenAI, Anthropic, or similar) for natural language responses where appropriate.
  • Connect bots to backend services, databases, CRMs, and third-party APIs (booking systems, payment, content sources).
  • Handle webhooks, rate limits, and platform-specific message formats (interactive messages, buttons, media, templates).
  • Evaluate AI-generated bot code and refactor it for correctness, reliability, and graceful error handling.
  • Implement logging, monitoring, and recovery so bots stay healthy in production.

Requirements and benefits

Educational qualifications

  • At least 3 years of relevant experience backend, integration, automation, or bot development experience (required).
  • Bachelor's or Master's Degree in Computer Science, Engineering, Information Technology, or related technical fields is a plus.

Academic and/or Professional Experience

Candidates should have a strong foundation in bot development, messaging platform integrations, and building reliable conversational workflows. We are looking for specialists who can design and maintain production-ready bots, work confidently with APIs, webhooks, and backend services, and refine AI-assisted output into stable, user-friendly experiences. Strong problem-solving skills, attention to detail, and the ability to work independently are essential.

Technical Skills (Essential)

  • At least 1 year of hands-on experience building bots for at least one major messaging platforms (WhatsApp, Telegram, Discord, Slack, or similar) is required
  • Strong command of Python or Node.js for backend bot logic.
  • Solid experience with REST APIs, webhooks, OAuth, and async request handling.
  • Experience with relational or NoSQL databases for storing conversation state and user data.
  • Familiarity with LLM APIs (OpenAI, Anthropic) and prompt design for conversational use is a strong plus.
  • Understanding of platform-specific limits, message templates, and approval flows (e.g., WhatsApp template messages).
  • Experience with hosting and deployment (Docker, serverless, VPS, or PaaS)

Additional requirements

  • Strong attention to detail and commitment to bot reliability - no silent failures, no broken flows.
  • Self-directed work ethic with the ability to design and ship complete bots independently.
  • Portfolio or examples of bots you've built (required).
  • English proficiency: Upper-intermediate (B2) or above (required).

Project time expectations 

For this project, tasks are estimated to require around 10-20 hours per week during active phases, based on project requirements. This is an estimate, not a guaranteed workload, and applies only while the project is active. 

Compensation 

On this project, contributors can earn up to $60 per hour equivalent, depending on their level and pace of contribution.

Compensation varies across projects depending on scope, complexity, and required expertise. Please note that other projects on the platform may offer different earning levels based on their requirements.

Why this freelance opportunity might be a great fit for you?

  • Work fully remote on your own schedule with just a laptop and stable internet connection.
  • Gain hands-on experience in a unique hybrid environment where human expertise and AI agents collaborate seamlessly - a distinctive skill set in a rapidly growing field.
  • Participate in performance-based bonus programs that reward high-quality work and consistent delivery.