Hire the Top 3% of Freelance IIS Developers

Toptal is a marketplace for top IIS developers, engineers, programmers, coders, architects, and consultants. Top companies and startups choose Toptal IIS freelancers for their mission-critical software projects.

No-Risk Trial, Pay Only If Satisfied.

Clients Rate Toptal IIS Developers4.9 / 5.0on average across 21 reviews as of May 20, 2024

Hire Freelance IIS Developers and Engineers

Sagi Kovaliov

Freelance IIS Developer
United StatesToptal Member Since March 30, 2017

Sagi is a top-performing, Microsoft Certified Senior Azure DevOps engineer with ten years of solid hands-on experience in DevOps, programming, scripting, and business intelligence. Sagi specializes in architecting and implementing DevOps processes using Azure DevOps and Azure Cloud platforms. By utilizing his gained experience in multiple application development areas, Sagi has become one of the most prominent experts in the market.

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Loredana Baracic

Freelance IIS Developer
CroatiaToptal Member Since April 26, 2021

Loredana is a senior developer with ten years of experience developing different kinds of software solutions, including integration services, retail management solutions, and planning applications. She mainly used technologies from Microsoft stack, such as .NET, SQL Server, IIS, and Windows, but is keen to excel in alternatives.

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Shaul Behr

Freelance IIS Developer
IsraelToptal Member Since March 12, 2020

Shaul is a software architect with more than two decades of experience in the trenches of the software industry. He's an expert in all things C# and SQL, and he ranks in the 99th percentile of reputation on Stack Overflow. Supported by the glowing recommendations from colleagues and previous clients, he's a smart guy who works hard to get things done—striving for the best outcome for all stakeholders involved.

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Ramiro Agustin Palacios

Freelance IIS Developer
SpainToptal Member Since April 6, 2013

Ramiro is a PMP Certified ScrumMaster and experienced systems engineer with over ten years of software development experience in Microsoft environments. He's self-taught, self-motivated, and proactive. With an innovative attitude, he is committed to the use of best practices to produce high quality applications.

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Marco Bassaletti

Freelance IIS Developer
United StatesToptal Member Since February 4, 2020

Marco is a full-stack developer with more than a decade of experience, including software development, cloud-computing server management, IT security, and implementing various online payment gateways (Authorize.Net, Stripe, Amazon Login & Pay, USA ePayments, Gravity Payments, Braintree Payments, and 2CheckOut). Marco has deployed apps on cloud computing platforms with providers like Amazon, DigitalOcean, and Rackspace Cloud Computing.

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Vinay Kumar

Freelance IIS Developer
IndiaToptal Member Since March 31, 2021

Vinay is a highly motivated full-stack engineer with over 10 years of hands-on experience. He is proficient in crafting robust solutions and specializes in .NET, Node.js, and React. With a strong grasp of microservice architecture and cloud-based development on Microsoft Azure, Vinay seamlessly manages various SQL databases. Known for his insatiable appetite for learning, Vinay thrives on embracing challenges and opportunities and fervently believes in delivering high-quality code.

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Giorgi Dalakishvili

Freelance IIS Developer
GeorgiaToptal Member Since April 4, 2016

Giorgi is a software developer with more than a decade of experience. He works mainly with C#, ASP.NET Core, REST, GraphQL, MAUI, Xamarin, Entity Framework Core, AWS, Azure, and SQL Server. He has also worked with many other frameworks and systems, such as ASP.NET MVC, ASP.NET Web API, WCF, Avalonia, WinForms, Oracle, and many more. Giorgi is an open-source author and contributor on GitHub, InfoQ Editor, and a member of the .NET Foundation.

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Jani Järvinen

Freelance IIS Developer
FinlandToptal Member Since July 29, 2021

Jani is an experienced and certified software development professional with over 20 years of experience in Microsoft technologies, cloud services, and web application development. In addition, Jani is well aware of system security, DevOps, project management, and databases. Jani has also authored six software development books as well as worked as a trainer in various technologies.

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Paweł Szydziak

Freelance IIS Developer
PolandToptal Member Since August 12, 2020

Paweł is an inquisitive developer who enjoys writing code and is primarily focused on solving the riddles and implementation of logic. He has seven years of proven experience delivering complex products for leading companies. He believes the best way to improve as a developer is to be involved in a fast-paced enterprise environment. Paweł lives by the rule, "A good developer should know something about everything and everything about something." He works well with a team.

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Fabio Brea

Freelance IIS Developer
ItalyToptal Member Since December 7, 2021

Fabio is a full-stack software engineer with more than six years of industry experience and a graduate degree in Computer Engineering. He develops efficient and maintainable solutions and likes overcoming complex challenges through clear thinking and innovative approaches. Fabio has extensive experience in C#, C++, Qt, Windows Presentation Foundation (WPF), and SQL throughout his career and is eager to leverage his skills to benefit clients.

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Avo Davtyan

Freelance IIS Developer
ArmeniaToptal Member Since February 18, 2020

With a master's degree in computer science, Avo is a senior full-stack software engineer with 12 years of professional experience. Along with lightning-fast problem-solving skills, consistency, and reliability, he has vast experience in platform integration via APIs such as payment processors or cloud services. Having worked as freelance developer for a number of years, Avo can hit the ground running on any project.

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Toptal in the press

... allows corporations to quickly assemble teams that have the right skills for specific projects.

Despite accelerating demand for coders, Toptal prides itself on almost Ivy League-level vetting.

Our clients
Creating an app for the game
Conor Kenney
Creating an app for the game
Leading a digital transformation
Elmar Platzer
Leading a digital transformation
Building a cross-platform app to be used worldwide
Building a cross-platform app to be used worldwide
Drilling into real-time data creates an industry game changer
Drilling into real-time data creates an industry game changer
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


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


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


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


How to Hire IIS Developers Through Toptal


Talk to One of Our Industry Experts

A Toptal director of engineering will work with you to understand your goals, technical needs, and team dynamics.

Work With Hand-Selected Talent

Within days, we'll introduce you to the right IIS developer for your project. Average time to match is under 24 hours.

The Right Fit, Guaranteed

Work with your new IIS developer for a trial period (pay only if satisfied), ensuring they're the right fit before starting the engagement.

Find Experts With Related Skills

Access a vast pool of skilled developers in our talent network and hire the top 3% within just 48 hours.


  • How are Toptal IIS developers different?

    At Toptal, we thoroughly screen our IIS developers to ensure we only match you with talent of the highest caliber. Of the more than 200,000 people who apply to join the Toptal network each year, fewer than 3% make the cut. You’ll work with engineering experts (never generalized recruiters or HR reps) to understand your goals, technical needs, and team dynamics. The end result: expert vetted talent from our network, custom matched to fit your business needs.

  • Can I hire IIS developers in less than 48 hours through Toptal?

    Depending on availability and how fast you can progress, you could start working with an IIS developer within 48 hours of signing up.

  • What is the no-risk trial period for Toptal IIS developers?

    We make sure that each engagement between you and your IIS 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 expert who may be a better fit and with whom we will begin a second, no-risk trial.

Tap Into World-Class Talent

  • Trusted Experts Only

    Trusted Experts Only

    All of our talent are seasoned experts who ramp up quickly, readily contribute as core team members, and work with you to minimize onboarding time.

  • The Right Fit

    The Right Fit

    We have a knack for matching you with the right fit. Start working with your new hire on a no-risk trial period, paying only if satisfied.

  • Scale as Needed

    Scale as Needed

    Hire talent within 48 hours and scale your team up or down as needed, no strings attached.

  • Seamless Hiring

    Seamless Hiring

    We handle all aspects of billing, payments, and NDA’s. Let us take care of the overhead while you focus on building great products.

  • Flexible Engagements

    Flexible Engagements

    Choose the engagement type that suits your needs — hourly, part-time, or full-time — with the ability to change anytime.

  • Expert Talent Matching

    Expert Talent Matching

    Focus on your project and enjoy support from your dedicated account executive and expert talent matcher.

Featured Toptal IIS Publications

Top IIS Developers Are in High Demand.

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