Hire the Top 3% of Freelance NixOS Developers

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

No-Risk Trial, Pay Only If Satisfied.

Hire Freelance NixOS Developers and Engineers

Enis Bayramoğlu

Freelance NixOS Developer
TurkeyToptal Member Since August 8, 2018

Enis started his career as an electrical engineer, moving through robotics to land in software engineering. He loves developing mobile games, working with data, developing web services, and automating their deployment. A recurring theme in Enis' work is his excitement for using abstract reasoning in order to get the job done.

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Matt Wilson

Freelance NixOS Developer
United KingdomToptal Member Since December 1, 2021

Matt is a software developer, entrepreneur, and veteran problem solver with extensive experience defining technical strategy, building teams, developing infrastructure, complex applications, and scalable solutions throughout the entire lifecycle of large-scale systems. Matt designed and built a photography-driven first-class market research and survey platform to revolutionize the sports photography industry. His roles have included CTO, co-founder, and lead engineer.

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Olgierd Kasprowicz

Freelance NixOS Developer
PolandToptal Member Since July 29, 2020

Olgierd is a DevOps-oriented software developer with experience navigating all stages of SDLC–from requirements gathering to post-release monitoring as well as parallel and distributed systems. He created an MVP that allows users to attach labels such as bills, electricity reports and raw expense data, and an internal tool for tracking local Git repositories. He used NixOS to discover methods to improve build reproducibility and developer onboarding time, saving company resources.

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Teodor Daskalov

Freelance NixOS Developer
BulgariaToptal Member Since November 11, 2022

Teo is a DevOps engineer with seven years of experience in the IT industry. He is an efficient debugger focusing on fixing technical issues, optimizing configurations, and making software operate correctly. Teo's professional interests include Linux administration, scripting and programming, automation, CI/CD, and cloud infrastructure.

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Tom Feron

Freelance NixOS Developer
EstoniaToptal Member Since July 20, 2020

Tom is a senior developer with several years of experience building web applications in their entirety—from the user interface to the servers—at large companies such as Nature and startups like Habito or Scrive. Tom joined Toptal because he was interested in freelancing and wanted additional opportunities to learn more. Tom specializes in back-end development, especially using Haskell and DevOps on cloud platforms, but is keen on working with whatever tools best fit the job.

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Konstantinos Karachalios

Freelance NixOS Developer
SpainToptal Member Since May 8, 2017

Konstantinos is a programmer, but he doesn't just work as one—he's been coding since he was 12 on BASIC. He dropped out of a filmmaking university to return to programming. Since then, he's never stopped exploring different ways to code and for stuff to code. Konstantinos has lived around Europe and California while working on many web services, designing ETL pipelines, and leading a cross-functional team, all of which have allowed him to develop a great sense of adaptability.

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Evgeny Trifonov

Freelance NixOS Developer
ThailandToptal Member Since June 23, 2020

Evgeny is a full-stack developer with 20 years of varied experience building small and complex systems, server infrastructure, improving security, deploying websites, chatbots, games, desktop and mobile apps, and IoT integrations. He specializes in Node.js-based servers and a big stack of browser-side libraries to build beautiful and fast user interfaces. He has a great combination of technical expertise and an eye for good design to deliver exceptional client products that do well.

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Egor Miadzvedzeu

Freelance NixOS Developer
CanadaToptal Member Since December 13, 2021

Egor is a results-oriented cloud integration and security consultant with over 20 years of hands-on experience, a profound understanding of the current cloud technology stack, and in-depth knowledge of IP networking, Linux, and DevOps methodology. Passionate about creating sound and secure systems addressing complex problem domains with a GitDevSecOps mindset, Egor is dependable, dutiful, and reliable.

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Zach Boldyga

Freelance NixOS Developer
United StatesToptal Member Since June 4, 2018

Zach’s abilities are best captured through his recent, six-year founding and management of Scalabull, a software company that currently powers over 1 million patient lab testing transactions in the US annually. Zach has also helped build open-source software since 2008, with recent projects including Tensorflow, Apache MXNet, and React.js components.

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Michał Opala

Freelance NixOS Developer
PolandToptal Member Since June 1, 2021

Michał is a DevOps engineer and a software developer with over a decade of hands-on experience implementing automation (Kubernetes, Ansible), working with developers to oversee the code releases, and optimizing processes. He believes his mission in the IT industry is to help DevOps teams to design their infrastructures correctly and automate everything that is possible to automate. In his everyday work, Michał focuses on delivering idiomatic, well-structured, and carefully tested IaC solutions.

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Anton Bronnikov

Freelance NixOS Developer
NetherlandsToptal Member Since February 3, 2022

Anton is a software engineer focusing on DevOps, cloud, and site reliability. He excels in setting up a cloud infrastructure, developing its back-end services, integrating them with monitoring and alerting solutions, and automating the build, test, and deploy pipelines. Anton's goal is to enable developers to focus on the most important thing—delivering various features to customers.

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

The Right Fit, Guaranteed

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


  • How are Toptal NixOS developers different?

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

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

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

    We make sure that each engagement between you and your NixOS 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 NixOS Developers Are in High Demand.

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