Hire Windows Developers
Hire the Top 3% of Freelance Windows Developers
Toptal is a marketplace for top Windows developers, engineers, programmers, coders, architects, and consultants. Top companies and startups can hire Toptal dedicated (full-time), hourly, or part-time Windows freelancers for their mission-critical software projects.
Hire a Top Windows Developer Now
No-Risk Trial, Pay Only If Satisfied.
Clients rate Toptal Windows developers 4.9 / 5.0 on average based on 9,113 reviews.
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Hire Freelance Windows Developers
Andy Gill
Freelance Windows Developer
Verified Expert in Engineering
United States
Toptal Member Since November 9, 2021
Andy, a full-stack developer with 20 years of software experience, specializes in the .NET stack, covering requirements gathering, SQL database design, and development across web, Windows, and mobile platforms. Skilled in system monitoring, his strengths include .NET MAUI cross-platform apps, conversational bots for Amazon Alexa and Google Home, and full .NET stack for web or Windows. Andy is passionate about improving client experiences through problem-solving.
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Michael Puzankow
Freelance Windows Developer
Verified Expert in Engineering
Germany
Toptal Member Since March 22, 2021
Michael brings more than 25 years of experience in software development, system architecture, and UI design and is an expert with C++ and Qt. Michael's project experience covers Windows, Linux, macOS, and Android, interfacing external hardware through TCP/IP networks, serial protocols, and Bluetooth. His roles have included CTO, CEO, R&D engineer, and department head. Michael also excels with SQL databases, distributed applications, networking, and multithreading.
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Remya Naadam
Freelance Windows Developer
Verified Expert in Engineering
United Arab Emirates
Toptal Member Since March 10, 2022
Remya has more than 15 years of software development experience, is very passionate about coding, and is committed to her work. She has extensive experience mainly on .NET frameworks from .NET 2.0 until .NET Core. Remya's main area of focus is building back-end APIs in C# and VB.NET, and she is also experienced in IBM MQ, Apache Kafka, Microservices, and PL/SQL coding.
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Fernando Urkijo Cereceda
Freelance Windows Developer
Verified Expert in Engineering
United Kingdom
Toptal Member Since July 25, 2023
Fernando is a passionate developer specializing in .NET development with Universal Windows Platform (UWP) apps, Web APIs, Blazor apps, Microsoft Orleans, and Entity Framework Core. Fernando has 12+ years of experience working in large-scope projects for various industries, including airlines, energy, music, and board portals.
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Erez Nassimi
Freelance Windows Developer
Verified Expert in Engineering
Israel
Toptal Member Since October 5, 2020
Erez has 30 years of experience in software development and 15 years in team building and management. His expertise covers multiple languages (C++, C#, Pascal, SQL), frameworks (.NET), paradigms (OOP, REST), platforms (Windows), protocols (Diameter, FIX), including API development, design patterns, web scraping, and clean coding. Familiar with stock options, currency exchanges, and trading/algo-trading, he has won innovation awards at Amdocs, contributing to CodeProject and StackOverflow.
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Si Ke
Freelance Windows Developer
Verified Expert in Engineering
Canada
Toptal Member Since September 4, 2020
Si is a talented engineer with 20 years of software design and development experience and six years of effective team leadership expertise. He developed Diskeeper that sold more than 10 million copies. Si has successfully shipped several products running in Windows, Linux, and Macintosh. His strengths include designing and developing complex and high-performance enterprise software. Si is an innovative professional who enjoys solving good challenges.
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Camille Potard
Freelance Windows Developer
Verified Expert in Engineering
France
Toptal Member Since February 23, 2021
Camille is a senior software developer with 20 years of experience building desktop applications for notable clients, such as E-on software, Hitachi, and Alstom. His primary expertise includes C, C++, Python, and real-time technologies with 3D software, in railway, power, video, imaging, and web domains. Camille thrives in remote environments with small or medium-sized teams.
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Dalibor Čarapić
Freelance Windows Developer
Verified Expert in Engineering
Croatia
Toptal Member Since September 2, 2021
Dalibor is a certified .NET Framework Windows Applications developer. He has led teams and projects, implementing technologies ranging from .NET Windows Forms desktop applications, ASP.NET Web Forms and .NET WPF applications, Xamarin Android apps, to ASP.NET Core back-end APIs. He built a Windows Forms and Windows Service application to manage energy sales produced by hydroelectric power plants and a Xamarin Android application for production floor maintenance and repair feedback.
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Ted Middleton
Freelance Windows Developer
Verified Expert in Engineering
Canada
Toptal Member Since July 9, 2020
Ted is a software developer and programmer with 20 years of professional programming experience, nearly 25 years of experience programming in C and C++, and almost as long in Python. He enjoys finding clean solutions and producing high-quality, high-value code. Ted also excels at porting and building maintainable cross-platform software and is skilled as a runtime-performance optimizer. In short, the software that Ted writes just works.
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Richard Sinden
Freelance Windows Developer
Verified Expert in Engineering
United Kingdom
Toptal Member Since November 8, 2022
Richard is a software developer with over twenty years of experience whose main area of expertise is developing the Microsoft .NET platform. His specialty is Windows desktop applications and designing user-friendly UI/UX. He is also adept at working with the API, business, data access, and storage layers. Richard is comfortable working throughout the entire software development lifecycle, from requirements analysis and design to testing, deployment, and support.
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Kevin Gallo
Freelance Windows Developer
Verified Expert in Engineering
United States
Toptal Member Since April 12, 2024
Kevin is a technology innovator with over 30 years of industry experience as Microsoft's corporate vice president and chief technologist. He has specialized in building new and broad-scale technologies, developing developer tools, delivering important keynotes, and leading cross-company collaborative teams. Kevin is the inventor of technologies such as Windows UI (WinUI) 3, Windows Presentation Foundation (WPF), Microsoft Silverlight, Windows App SDK, and many other industry-standard tools.
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Start HiringTHE TOPTAL ADVANTAGE
98% of Toptal clients choose to hire our talent after a risk-free trial.
Toptal's screening and matching process ensures exceptional talent are matched to your precise needs.
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Testimonials
Tripcents wouldn't exist without Toptal. Toptal Projects enabled us to rapidly develop our foundation with a product manager, lead developer, and senior designer. In just over 60 days we went from concept to Alpha. The speed, knowledge, expertise, and flexibility is second to none. The Toptal team were as part of Tripcents as any in-house team member of Tripcents. They contributed and took ownership of the development just like everyone else. We will continue to use Toptal. As a startup, they are our secret weapon.Brantley Pace
CEO & Co-Founder
I am more than pleased with our experience with Toptal. The professional I got to work with was on the phone with me within a couple of hours. I knew after discussing my project with him that he was the candidate I wanted. I hired him immediately and he wasted no time in getting to my project, even going the extra mile by adding some great design elements that enhanced our overall look.Paul Fenley
Director
The developers I was paired with were incredible -- smart, driven, and responsive. It used to be hard to find quality engineers and consultants. Now it isn't.Ryan Rockefeller
CEO
Toptal understood our project needs immediately. We were matched with an exceptional freelancer from Argentina who, from Day 1, immersed himself in our industry, blended seamlessly with our team, understood our vision, and produced top-notch results. Toptal makes connecting with superior developers and programmers very easy.Jason Kulik
Co-founder
As a small company with limited resources we can't afford to make expensive mistakes. Toptal provided us with an experienced programmer who was able to hit the ground running and begin contributing immediately. It has been a great experience and one we'd repeat again in a heartbeat.Stuart Pocknee
Principal
How to Hire Windows Programmers Through Toptal
1
Talk to One of Our Client Advisors
A Toptal client advisor will work with you to understand your goals, technical needs, and team dynamics.
2
Work With Hand-selected Talent
Within days, we’ll introduce you to the right Windows developer for your project. Average time to match is under 24 hours.
3
The Right Fit, Guaranteed
Work with your new Windows programmer for a trial period (pay only if satisfied), ensuring they’re the right fit before starting the engagement.
EXCEPTIONAL TALENT
How We Source the Top 3% of Windows Developers
Our name “Toptal” comes from Top Talent—meaning we constantly strive to find and work with the best from around the world. Our rigorous screening process identifies experts in their domains who have passion and drive.
Of the thousands of applications Toptal sees each month, typically fewer than 3% are accepted.
STEP 1
Language and Personality Evaluation
26.4% of applications pass
The first step of the screening process is a comprehensive English language and communication evaluation. We also assess personality traits, seeking only those who are passionate and fully engaged in their work.
STEP 2
In-depth Skill Review
7.4% of applications pass
We test each applicant’s technical knowledge and problem-solving ability through various assessments. Every member of the Toptal network is an expert in their domain, and we typically only advance candidates with exceptional results in this phase.
STEP 3
Live Screening
3.6% of applications pass
Toptal screeners, who are experts in their functional domain, interview each Windows developer. Our screeners provide specific live exercises, looking for problem-solving ability, depth of experience, communication ability, and creativity.
STEP 4
Test Project
3.2% of applications pass
Each candidate is assigned a test project to evaluate whether they can “walk the walk.” Test projects take 1-3 weeks and are comprehensive and provide real-world scenarios for candidates to demonstrate their competence, thoroughness, professionalism, and integrity.
STEP 5
Continued Excellence
Top 3.0% of Windows developers
As a quality-first company, we demand the best from our talent, so they can deliver the best to our clients. This principle permeates every Toptal engagement and delivered project. Only the top 3% of Developers can consistently perform at this level.
Capabilities of Windows Developers
Toptal’s Windows developers specialize in building fast, reliable applications across the Microsoft ecosystem. From desktop software to enterprise tools, they leverage .NET, Windows APIs, and system-level integrations to deliver solutions that meet performance and compatibility standards.
Build Reliable Desktop Applications
Toptal developers create high-performance Windows applications using .NET, WinUI, or WPF that remain responsive under load. Each solution undergoes rigorous stress testing and reliability validation to create stable behavior across devices and long-term usage scenarios.
Integrate Deeply With the Windows Platform
Our developers tap into system-level Windows APIs to unlock native functionality. Whether interacting with the file system or interfacing with background services, Toptal developers deliver tightly integrated desktop experiences using Win32, COM, and modern Windows frameworks.
Ensure Cross-version Compatibility
Applications are designed to function seamlessly across Windows 10, Windows 11, and Server environments. Our Windows developers handle OS-level differences, compatibility shims, and feature detection to minimize fragmentation issues for smoother performance across deployments.
Manage Memory and Concurrency Effectively
Toptal Windows developers write multithreaded code that’s both safe and efficient. Through careful memory handling, async/await patterns, and thread synchronization, they prevent leaks and deadlocks in demanding Windows applications.
Tune for Speed and Responsiveness
Our developers profile CPU, memory, and I/O usage to eliminate bottlenecks that degrade performance. Using tools like Windows Performance Analyzer and Visual Studio profilers, they help applications stay fluid and responsive, even during heavy background operations or real-time processing.
Simplify Deployment and Updates
From installation to versioning, our Windows developers streamline the delivery process using MSIX, ClickOnce, and enterprise deployment strategies. They support secure auto-update mechanisms and packaging methods that reduce friction for end users and simplify IT team maintenance.
Enforce Security and System Compliance
Toptal Windows developers implement trusted security practices, including UAC compliance, code signing, and secure credential handling. Every application is built to respect permission boundaries, align with Windows security policies, and protect users from system-level vulnerabilities.
Enable System-wide Interoperability
Toptal developers bridge Windows applications with system services through COM, .NET interop, shared memory, and message-based communication. These integrations enable smooth interoperability between modern components and legacy systems that remain critical to enterprise workflows.
Diagnose and Resolve Platform-specific Issues
Our developers utilize crash dumps, Event Viewer logs, WinDbg, and system diagnostics to identify the root causes. Windows-specific bugs, including driver conflicts and API failures, are identified and resolved quickly to maintain software reliability and user trust.
Support Globalization and Accessibility
Toptal Windows developers design software for a global user base by implementing localization frameworks, regional formatting, and right-to-left support. Accessibility features, such as screen reader compatibility and keyboard navigation, create compliant and user-friendly experiences across international markets.
FAQs
Typically, you can hire Windows developers with Toptal in about 48 hours. For larger teams of talent or full end-to-end project delivery, timelines may vary. Our talent matchers are highly skilled in the same fields they’re matching in—they’re not recruiters or HR reps. They’ll work with you to understand your goals, technical needs, and team dynamics, and match you with ideal candidates from our vetted global talent network.
Once you select your Windows programmer, you’ll have a no-risk trial period to ensure they’re the perfect fit. Our matching process has a 98% trial-to-hire rate, so you can rest assured that you’re getting the best fit every time.
To hire the right Windows developer, it’s important to evaluate a candidate’s experience, technical skills, and communication skills. You’ll also want to consider the fit with your particular industry, company, and project. Toptal’s rigorous screening process ensures that every member of our network has excellent experience and skills, and our team will match you with the perfect Windows developers for your project.
At Toptal, we thoroughly screen our Windows programmers to ensure we only match you with the highest caliber of talent. Of the more than 200,000 people who apply to join the Toptal network each year, fewer than 3% make the cut.
In addition to screening for industry-leading expertise, we also assess candidates’ language and interpersonal skills to ensure that you have a smooth working relationship.
When you hire Windows developers with Toptal, you’ll always work with world-class, custom-matched Windows developers ready to help you achieve your goals.
You can hire Windows programmers on an hourly, part-time, or full-time basis. Toptal can also manage the project end-to-end based on your specific requirements as part of our Consulting and Services offerings. Whether you hire a Windows developer for a full- or part-time position, you’ll have the control and flexibility to scale your team up or down as your needs evolve. Our Windows developers can fully integrate into your existing team for a seamless working experience.
We make sure that each engagement between you and your Windows developer begins with a trial period of up to two weeks. This means that you have time to confirm the engagement will be successful. If you’re completely satisfied with the results, we’ll bill you for the time and continue the engagement for as long as you’d like. If you’re not completely satisfied, you won’t be billed. From there, we can either part ways, or we can provide you with another Windows developer who may be a better fit and with whom we will begin a second, no-risk trial.
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Toptal Lets You Hire Fast,
With Unparalleled Success
- 👁 Trusted Talent Only
Trusted Talent Only
Our talent network is composed of thoroughly vetted professionals who ramp up quickly, function as essential team members, and deliver results.
- 👁 Precise Matching
Precise Matching
Our experienced talent matchers specialize in identifying talent that fits your needs. They work to understand your exact requirements and hand-select the best professionals for your project.
- 👁 Seamless Hiring
Seamless Hiring
We handle all aspects of billing, payments, and NDAs, streamlining the hiring process so you can focus on innovation, not overhead.
- 👁 No-risk Trial Period
No-risk Trial Period
We want to be sure your engagement is a total success, so we offer a no-risk trial period. Work with your new hire for up to two weeks and pay only if you’re satisfied.
- 👁 Effortless Scaling
Effortless Scaling
We help you scale your team up or down as needed, with quick and efficient hiring in under 48 hours.
- 👁 Flexible Engagements
Flexible Engagements
Our flexible engagement models allow you to choose the engagement type that suits your needs and adjust it anytime: hourly, part time, or full time.
Featured Toptal Windows Development Publications
Top Windows Developers Are in High Demand.