Hire the Top 3% of Freelance Functional Programmers

Toptal is a marketplace for dedicated Functional Programmers. Top companies and startups choose Toptal Functional Programming freelancers for their mission-critical development projects.

No-Risk Trial, Pay Only If Satisfied.

Hire Freelance Functional Programmers

Martin Zvonar

Freelance Functional Programmer
SlovakiaToptal Member Since July 7, 2022

Martin is a full-stack TypeScript web developer with 10+ years of experience using the power of React and functional programming to write better, safer, and more elegant software. He specializes in modular, loosely coupled UIs that are easy to refactor and reuse.

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Wojtek Wajerowicz

Freelance Functional Programmer
SwitzerlandToptal Member Since September 6, 2022

Wojtek is a back-end software engineer with a master's degree in telecommunications and computer science. He specializes in Scala development and has significant expertise in functional programming and building scalable web services. He has also worked with big data technologies like Spark and event sourcing/streaming architecture like Kafka. Wojtek has contributed to the back-end development of meaningful projects, including a diagnostic implementation simulator for SARS-CoV-2.

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Trí Bill Lê

Freelance Functional Programmer
CanadaToptal Member Since October 14, 2021

Bill is a back-end developer with two years of experience working in an IT solutions company. He is experienced with Agile methodologies and has a strong understanding of data modeling, object-oriented programing, and functional programming. Bill has been working on all aspects of the development process. He is open-minded and eager to learn new technologies.

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Leonid Rozenberg

Freelance Functional Programmer
United StatesToptal Member Since July 9, 2017

Leonid is an experienced developer who specializes in numerical tools, using various functional languages (OCaml, F#, Haskell, Erlang) as well as platforms more suited towards computation (Matlab, Python) and statistics (R). He has extensive experience in finance and is knowledgeable about modern machine learning techniques.

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Michał Niegrzybowski

Freelance Functional Programmer
PolandToptal Member Since December 4, 2019

Michal is a software developer, a big fan of functional programming, TDD, and DDD, and not afraid of any technology or language. He has over five years of experience in creating complex web applications starting from monolith applications through microservices. Michal always does his best to achieve the goals of a project. He's a team player with excellent communication skills and is always willing to help his colleagues.

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Iliyan Germanov

Freelance Functional Programmer
BulgariaToptal Member Since March 30, 2022

Iliyan co-founded Ivy Apps and built Ivy Wallet: an open-source money manager with 80,000+ installs, a 4.8/5 rating, and 2,797 reviews on the Google PlayStore. The YouTube tech community recognized Ivy Wallet as the best Android UI/UX in 2021. Iliyan is also a functional programming and Kotlin expert. He built from scratch the institutional-grade security Qredo Signing App and developed the fintech mobile wallet: phyre—including its white-label products—which combined have 300,000+ customers.

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Vincent Cordobes

Freelance Functional Programmer
FranceToptal Member Since August 5, 2019

Vincent is a software engineer who has worked with modern JavaScript (ES6+) TypeScript, Node.js, and React. He leveraged his expertise to help the successful French startup, PayFit, extend its HR offerings. He is a strong advocate of clean code and enjoys test-driven development (TDD), functional programming, and statically typed languages.

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Santiago Saavedra

Freelance Functional Programmer
SpainToptal Member Since December 29, 2021

Santiago learned programming at 12. He holds several years of professional experience and 5+ in API and software architecture. Former president of a Linux User Group and a researcher in formal methods and functional programming, Santiago is passionate about computer science, especially API design, system architecture, and data engineering.

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Giorgi Bakradze

Freelance Functional Programmer
GeorgiaToptal Member Since May 30, 2017

Since the age of 13, coding has been Giorgi's passion. Obsessed with technical details and technologies, he always tries to find better ways of doing things. Perseverance has been the key to honing his skills as a full-stack developer. He has worked on over 15 projects from small landing pages to eCommerce projects as a freelancer or as a full-time employee.

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Vladimir Grubor

Freelance Functional Programmer
Bosnia and HerzegovinaToptal Member Since May 2, 2017

Vladimir is a software developer. Over the past decade, he's contributed to many projects as a full-stack, back-end, and front-end developer. He is currently focusing on JavaScript and functional programming. He's one of the organizers of the JavaScript Sarajevo-community meetups.

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Alex Golubtsov

Freelance Functional Programmer
Czech RepublicToptal Member Since April 22, 2020

Alex is a qualified technical developer with over 10 years of commercial experience. During this period, he has gained valuable experience in companies of different sizes, both startups and corporations. Alex strives for challenging projects that utilize his skills and experiences and allows him to grow professionally.

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Discover More Functional Programmers in the Toptal Network

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Trustpilot
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
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 Functional Programmers Through Toptal

1

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.
2

Work With Hand-Selected Talent

Within days, we'll introduce you to the right Functional programmer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

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

FAQs

  • How are Toptal Functional programmers different?

    At Toptal, we thoroughly screen our Functional programmers 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 Functional programmers in less than 48 hours through Toptal?

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

  • What is the no-risk trial period for Toptal Functional programmers?

    We make sure that each engagement between you and your Functional programmer 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 Functional Programmers Are in High Demand.

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