Hire the Top 3% of Freelance ServiceStack Developers

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

No-Risk Trial, Pay Only If Satisfied.

Hire Freelance ServiceStack Developers and Engineers

Igor Miadelets

Freelance ServiceStack Developer
BelarusToptal Member Since April 23, 2022

Igor is a full-stack developer with a strong focus on .NET and the back end. Previous roles include principal software engineer, SRE, and team lead. He has led teams, integrated Scrum and Kanban, and worked with real-time data, authorization systems, and serverless architecture. Igor enjoys working on complex technical enterprise solutions and making systems stable, decoupled and transparent, and cheaper to support.

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Kumaran Vellaisamy

Freelance ServiceStack Developer
NetherlandsToptal Member Since July 16, 2021

Kumaran is a technology enthusiast and fast learner interested in understanding business and consumer problems and creating innovative solutions to solve them using technology and adding value. Kumaran has primarily worked as a senior developer and consultant, leading teams and building web and mobile applications.

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Gerardo Gastaldo

Freelance ServiceStack Developer
ArgentinaToptal Member Since March 19, 2013

Gerardo is a senior React developer with several years of experience creating polished applications and over a decade of broad development experience. He focuses on working in the front end with the latest React recommendations like using hooks and TypeScript, libraries like Emotion, Styled Components, Theme UI, and components libs like Ant Design and MUI. He has worked efficiently both independently and as a member of a development team. He has a degree in systems engineering.

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Dmitry Dosta

Freelance ServiceStack Developer
BelarusToptal Member Since August 31, 2021

Dmitry is a highly skilled full-stack developer with over seven years of experience creating .NET web applications. He mostly deals with ASP.NET Core and Angular software development and architecture design these days. Dmitry has experience in solution architecture and creating applications from scratch.

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Dmytro Gokun

Freelance ServiceStack Developer
UkraineToptal Member Since August 1, 2016

Dmytro has over fifteen years of programming experience. He has worked on a variety of apps, using several different languages, platforms, and technologies. Most recently, he has worked as a back-end programmer using technologies such as C#, .NET, and MS SQL. Dmytro enjoys solving complex problems and exploring innovative techniques to do so.

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Varun Om Khosla

Freelance ServiceStack Developer
IndiaToptal Member Since June 17, 2022

Varun is a software architect and full-stack developer with over 14 years of experience developing products primarily on the .NET platform. He's a self-starter who built and sold his first software at 20. His previous employers include Microsoft, and he's worked for clients like the government of Singapore, LexisNexis, E&Y, Nokia, and Forge Trust. Varun creates value for the business by conceptualizing and building innovative, accessible, secure, efficient, and user-friendly solutions.

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Andrii Naidenko

Freelance ServiceStack Developer
PolandToptal Member Since August 26, 2019

Andrii is a Microsoft-certified full-stack developer with a master's degree in computer science. He has 15 years of industry experience delivering top-notch web, mobile, and hybrid software solutions through the application of Node.js and Angular technologies. Andrii completes successful projects by iterating outstanding software architecture, producing test-driven design concepts, and using Agile best practices.

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José Nuno Palma e Belo

Freelance ServiceStack Developer
PortugalToptal Member Since June 26, 2019

José has more than ten years of experience as a software developer. He's used technologies like Java, Kotlin, C#, JavaScript, and TypeScript while working for companies like Nokia Siemens Networks, Sky, and Zalando. He has also worked as a freelance on several projects.

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Marko Pađen

Freelance ServiceStack Developer
GermanyToptal Member Since August 13, 2019

Marko has over a decade of experience with large-scale software including architecture, design, coding, testing, documentation, build, and release. He's held a variety of roles throughout his career such as software engineer and architect, technology lead, full-stack developer, scrum master, QA mentor, and DevOps engineer.

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James Freiwirth

Freelance ServiceStack Developer
United KingdomToptal Member Since July 18, 2015

James has over 14 years experience building software in industry. He is a great problem-solver and can apply himself to many different domains. He can gather requirements and design, build, and test complete systems from beginning to end whilst communicating effectively with the business. He believes in using the latest tools and techniques to perfect his craft whilst never losing sight of the goal: delivering business value for the client.

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Discover More ServiceStack Developers in the Toptal Network

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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 ServiceStack 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 ServiceStack developer for your project. Average time to match is under 24 hours.

The Right Fit, Guaranteed

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


  • How are Toptal ServiceStack developers different?

    At Toptal, we thoroughly screen our ServiceStack 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 ServiceStack developers in less than 48 hours through Toptal?

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

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

    We make sure that each engagement between you and your ServiceStack 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.

Top ServiceStack Developers Are in High Demand.

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