How quickly can you hire with Toptal?

Typically, you can hire Haskell developers 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.

How do I hire Haskell developers?

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.

How are Toptal Haskell developers different?

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 Haskell developers with Toptal, you’ll always work with world-class, custom-matched Haskell developers ready to help you achieve your goals.

Can you hire Haskell developers on an hourly basis or for project-based tasks?

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 a Haskell developer 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.

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

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 Haskell developer who may be a better fit and with whom we will begin a second, no-risk trial.

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View Sumeet

Sumeet Agarwal

Freelance Haskell Developer

Verified Expert in Engineering

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.

Haskell Python Rust Golang Ruby JavaScript Dedicated Ruby on Rails Development Django Agile Development Linux PostgreSQL MySQL

View Steve

Steve King

Freelance Haskell Developer

Verified Expert in Engineering

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.

Haskell Algorithms Linux PostgreSQL Python Microservices Development AWS Back-end Developers REST API Amazon S3 CI/CD Quality Assurance Engineering Agile Development

View Leonid

Leonid Rozenberg

Freelance Haskell Developer

Verified Expert in Engineering

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.

Haskell OCaml

View Renan

Renan Almeida de Miranda Santos

Freelance Haskell Developer

Verified Expert in Engineering

UTC-03:00

Brazil

Toptal Member Since December 2, 2021

Renan is a software developer with seven years of business and research experience. He specializes in developing backend systems, programming languages, and formal proofs. He is enthusiastic about backend development and programming languages. Renan's experience is backed by a bachelor's, master's, and PhD degree in computer science.

Haskell Software Development Lua Golang Rust Back-end Developers

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Yiğit Özkavcı

Freelance Haskell Developer

Verified Expert in Engineering

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.

Haskell Dedicated Ruby on Rails Development PostgreSQL MySQL Jenkins JavaScript Linux Ruby on Rails Ruby Site Reliability TypeScript React.js CSS

View Fabian

Fabian Linzberger

Freelance Haskell Developer

Verified Expert in Engineering

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.

Haskell Machine Learning Artificial Intelligence React.js Node.js JavaScript Deep Learning TensorFlow Redux

View Giorgi

Giorgi Dzamashvili

Freelance Haskell Developer

Verified Expert in Engineering

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.

Haskell C#

View Sibi

Sibi Prabakaran

Freelance Haskell Developer

Verified Expert in Engineering

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.

Haskell Linux Docker

View Ishmum

Ishmum Jawad Khan

Freelance Haskell Developer

Verified Expert in Engineering

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.

Haskell Spring Angular Java JavaScript PostgreSQL TypeScript

View John

John R. Kosinski

Freelance Haskell Developer

Verified Expert in Engineering

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.

Haskell Ethereum Smart Contract Solidity C#Agile Development JavaScript JSON C++Microsoft Development Blockchain Node.js Ethereum Dedicated Magento Development

Discover More Haskell Developers in the Toptal Network

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THE TOPTAL ADVANTAGE

98% of Toptal clients choose to hire our talent after a risk-free trial.

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

Leading a digital transformation

Building a cross-platform app to be used worldwide

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

How to Hire Haskell Developers Through Toptal

Talk to One of Our Client Advisors

A Toptal client advisor 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 Haskell developer for your project. Average time to match is under 24 hours.

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.

EXCEPTIONAL TALENT

How We Source the Top 3% of Haskell Developers

Our name “Toptal” comes from Top Talent—meaning we constantly strive to find and work with the best from around the world. Our rigorous screening process identifies experts in their domains who have passion and drive.

Of the thousands of applications Toptal sees each month, typically fewer than 3% are accepted.

Start Hiring Today

STEP 1

Language and Personality Evaluation

26.4% of applications pass

The first step of the screening process is a comprehensive English language and communication evaluation. We also assess personality traits, seeking only those who are passionate and fully engaged in their work.

STEP 2

In-depth Skill Review

7.4% of applications pass

We test each applicant’s technical knowledge and problem-solving ability through various assessments. Every member of the Toptal network is an expert in their domain, and we typically only advance candidates with exceptional results in this phase.

STEP 3

Live Screening

3.6% of applications pass

Toptal screeners, who are experts in their functional domain, interview each Haskell developer. Our screeners provide specific live exercises, looking for problem-solving ability, depth of experience, communication ability, and creativity.

STEP 4

Test Project

3.2% of applications pass

Each candidate is assigned a test project to evaluate whether they can “walk the walk.” Test projects take 1-3 weeks and are comprehensive and provide real-world scenarios for candidates to demonstrate their competence, thoroughness, professionalism, and integrity.

STEP 5

Continued Excellence

Top 3.0% of Haskell developers

As a quality-first company, we demand the best from our talent, so they can deliver the best to our clients. This principle permeates every Toptal engagement and delivered project. Only the top 3% of developers can consistently perform at this level.

FAQs

How quickly can you hire with Toptal?
Typically, you can hire Haskell developers 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.
How do I hire Haskell developers?
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.
How are Toptal Haskell developers different?
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 Haskell developers with Toptal, you’ll always work with world-class, custom-matched Haskell developers ready to help you achieve your goals.
Can you hire Haskell developers on an hourly basis or for project-based tasks?
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 a Haskell developer 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.
What is the no-risk trial period for Toptal Haskell developers?
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 Haskell developer who may be a better fit and with whom we will begin a second, no-risk trial.

Tap Into World-class Talent

Trusted Talent Only
Our talent are thoroughly vetted professionals who ramp up quickly, function as essential team members, and deliver results.
Precise Matching
Our experienced talent matchers specialize in pairing you with the right fit. They work to understand exactly what you need and hand-select the best professionals for your project.
Seamless Hiring
We handle all aspects of billing, payments, and NDAs, streamlining the hiring process so you can focus on innovation, not overhead.
No-risk Trial Period
We want to be sure your engagement is a total success, so we offer a no-risk trial period. Work with your new hire for up to two weeks and pay only if you’re satisfied.
Effortless Scaling
Scale your team up or down as needed, with quick and efficient hiring in under 48 hours.
Flexible Engagements
Choose the engagement type that suits your needs—hourly, part-time, or full-time— and enjoy the flexibility to adjust as needed.