Haskell

Hire the Top 3% of Freelance Haskell Developers

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

No-Risk Trial, Pay Only If Satisfied.

Clients rate Toptal Haskell developers 4.9 / 5 on average based on 352 reviews.
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Sumeet Agarwal

Freelance Haskell Developer
UTC-08:00
United States
Toptal Member Since September 6, 2019

Sumeet has over a decade of experience, including long-term stints at Yelp.com and Remind.com, leading large cross-team projects. He does superbly clean engineering work and is an organized project planner. He excels at communication with both technical and non-technical colleagues, leveling up fellow engineers, and making sense out of the computer jargon.

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Steve King

Freelance Haskell Developer
UTC-07:00
Canada
Toptal Member Since August 22, 2022

Steve is an expert in Python with a solid background in data structures and algorithms. He has experience developing streaming systems, data pipelines, cloud-native microservices, automated testing suites, and CI/CD pipelines. Steve is seeking interesting challenges in web development, distributed systems, and data engineering.

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Leonid Rozenberg

Freelance Haskell Developer
UTC-05:00
United States
Toptal 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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Renan Almeida de Miranda Santos

Freelance Haskell Developer
UTC-03:00
Brazil
Toptal Member Since December 2, 2021

Renan is a software developer with seven years of business and research experience, now focusing mainly on back-end development. He has developed REST APIs in Go and other projects using languages and frameworks such as Java, OCaml, Haskell, Lua, Swift, Node.js, Angular, and React. Renan's experience is backed by a bachelor's and master's degree in computer science and a PhD and internship at IBM in progress.

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Yiğit Özkavcı

Freelance Haskell Developer
UTC+00:00
United Kingdom
Toptal Member Since October 22, 2018

Since 2015, Yiğit has been developing apps with Ruby on Rails and working with Haskell and functional programming. An open-source enthusiast, he's developed his own programming language as part of his bachelor thesis and maintained a Haskell client for the DigitalOcean API. As an ex-Googler and SRE, Yiğit is known for his focus on the availability and reliability of the services he owns. Yiğit is also not new to the remote working scene, communicates extremely well, and loves TDD.

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Fabian Linzberger

Freelance Haskell Developer
UTC+01:00
Sweden
Toptal Member Since January 31, 2018

Fabian would characterize himself as a data science and deep learning enthusiast, a functional programmer, and a full-stack engineer with DevOps experience. He has over a decade of experience working within the industry using a variety of languages (Erlang, Haskell, Python, JavaScript, Scala, Clojure, Ruby, and more) and who enjoys working in environments that are open to creativity and values working solutions to problems above all.

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Giorgi Dzamashvili

Freelance Haskell Developer
UTC+04:00
Georgia
Toptal Member Since February 14, 2022

Giorgi is a seasoned software engineer that started developing in 2008 when he was still a teenager. He began with Python, and already as a professional, he moved to the .NET ecosystem, where he has 8+ years of experience mainly in developing web apps. His extensive programming background enables him to determine which optimizations can work and which are just premature. Giorgi has a strong sense of what clean code should look like and thinks that if a bug does not kill you, it makes you better.

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Sibi Prabakaran

Freelance Haskell Developer
UTC+05:00
India
Toptal Member Since January 22, 2021

Sibi considers himself a polyglot programmer with experience in multiple languages like Rust, Python, Haskell, and JavaScript. His roles have varied between development work, managing infrastructure, and being a release manager for products. He enjoys learning new things and maintaining various open-source software. Sibi has extensive experience with AWS and Azure cloud environments. He has used Terraform to provision infrastructure and Ansible, Packer, and Nix to provision software.

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Ishmum Jawad Khan

Freelance Haskell Developer
UTC+06:00
Bangladesh
Toptal Member Since August 23, 2021

Ishmum is skilled in software architecture design, team building, and full-stack development. He's currently working on a microservice-based Spring Boot and React application for automating Bangladesh's secondary education. The project is expected to have around 15 million users every year. Ishmum primarily focuses on high-load applications in addition to open-source projects.

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John R. Kosinski

Freelance Haskell Developer
UTC+07:00
Thailand
Toptal Member Since February 9, 2016

As a veteran full-stack developer, John's great breadth and depth of experience include cryptocurrency, IoT, blockchain, and mobile projects. His foundation is in C and C++, with many years of experience in .NET. His work experience up until 2009 was in the NYC and NYC area. Since 2009, he's been living abroad and working remotely. John has a personal research project in the background, involving blockchain and deep neural networks.

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Zhanlin Shang

Freelance Haskell Developer
UTC+10:00
Australia
Toptal Member Since March 8, 2021

Zhanlin has been a developer since 2012, specializing in C++ and Python. He has also designed programming languages and developed compilers. In addition to freelancing, he interned at Microsoft Research Asia and worked for a company on the ASX 100 List. Zhanlin is a programming polyglot who learns new business domains and technologies quickly and easily in order to develop and deliver exceptional work.

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Toptal's screening and matching process ensures exceptional talent are matched to your precise needs.

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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
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 Haskell Developers 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 Haskell developer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

Work with your new Haskell 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.

FAQs

  • How quickly can you hire with Toptal?

    Typically, you can hire a Haskell developer with Toptal in about 48 hours. For larger teams of talent or Managed 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 Haskell developer, 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 Haskell 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 Haskell developers for your project.

  • At Toptal, we thoroughly screen our Haskell developers 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 with Toptal, you’ll always work with world-class, custom-matched Haskell developers ready to help you achieve your goals.

  • You can hire Haskell developers on an hourly, part-time, or full-time basis. Toptal can also manage the entire project from end-to-end with our Managed Delivery offering. Whether you hire an expert 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 Haskell developers can fully integrate into your existing team for a seamless working experience.

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

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