Hire the Top 3% of Freelance OpenCL Developers

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

No-Risk Trial, Pay Only If Satisfied.

Hire Freelance OpenCL Developers and Engineers

Si Ke

Freelance OpenCL Developer
CanadaToptal Member Since September 4, 2020

Si is a talented engineer with 20 years of software design and development experience and six years of effective team leadership expertise. He developed Diskeeper that sold more than 10 million copies. Si has successfully shipped several products running in Windows, Linux, and Macintosh. His strengths include designing and developing complex and high-performance enterprise software. Si is an innovative professional who enjoys solving good challenges.

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Simon Guillot

Freelance OpenCL Developer
FranceToptal Member Since January 3, 2020

Simon is a software engineer with a decade of experience developing highly reliable software that blends low-level programming, machine learning, and real-time computer vision. He has served both as a technical leader and an individual contributor, applying a pragmatic and open mindset to problem-solving. Simon's industry experience is backed by an MEng in computer science and an MSc in machine learning.

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Adrian Ostrowski

Freelance OpenCL Developer
PolandToptal Member Since February 27, 2019

Adrian is an expert in designing, implementing, and maintaining highly performant and elegant code in modern C++. As a conference speaker, he knows the importance of sharing knowledge, as well as staying on a par with the current trends and best industry practices. He seeks challenging projects, from helping to create new hardware platforms to improving the latencies of major exchanges.

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Michel Meneses

Freelance OpenCL Developer
BrazilToptal Member Since August 8, 2023

Michel is a senior AI/ML engineer with comprehensive experience leveraging the latest AI research into development across multiple domains. With a solid technical background in ML and software engineering, Michel has assisted enterprises in successfully prototyping, benchmarking, and developing cutting-edge AI systems used by millions worldwide while authoring innovative scientific papers and patents.

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Petros Kalos

Freelance OpenCL Developer
United KingdomToptal Member Since September 12, 2022

Petros is a lead engineer with 9+ years of experience building high-performance, reliable, secure, and scalable systems. He is keen on back-end development, particularly machine learning, but can also deliver solid full-stack solutions. Petros has worked for different size companies in the multimedia (data compression), fintech (investment banking), and retail industries, delivering reliable and scalable code.

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Ghazanfar Abbas

Freelance OpenCL Developer
PakistanToptal Member Since November 23, 2023

Ghazanfar is a software engineer with over 11 years of experience building high-performance applications in the domains of image processing, computer vision, machine learning, and IoT. He specializes in developing and optimizing algorithms with a focus on GPU-based massive parallelism—such as CUDA and OpenCL—using C++ and Python. Ghazanfar also has extensive experience with SDK development and deployment of end-to-end data processing pipelines on cloud platforms.

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Ivan Vasilev

Freelance OpenCL Developer
BulgariaToptal Member Since November 15, 2012

Ivan is an enthusiastic software engineer and machine learning researcher. His experience ranges across many fields and technologies, but his primary focuses are deep learning, Python, algorithmic trading, and Java. Ivan has written three books and has several open-source projects.

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Max Bruce

Freelance OpenCL Developer
United StatesToptal Member Since April 21, 2020

Max is a self-taught engineer with over 10 years of experience on a variety of platforms. Max has worked within large teams and led small teams to develop products from the ground up and maintained, improved, and iterated upon existing user-facing and infrastructureproducts. His background includes some formal education and a ton of open source work and contributions.

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Taras Mykhailovych

Freelance OpenCL Developer
UkraineToptal Member Since February 5, 2014

Taras aims to make all of his development optimal, fast, secure, and reliable. He analyzes tasks deeply and applies only the technologies which best fit and comply with the project goals.

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Ivan Stosic

Freelance OpenCL Developer
SerbiaToptal Member Since March 10, 2022

Ivan is one of the best and highest regarded competitive algorithm programmers in Europe. He has a strong background in mathematics and physics alongside computer science. Ivan has a passion for working on systems where performance, speed, and memory footprint are critical.

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Khanh Ha

Freelance OpenCL Developer
VietnamToptal Member Since January 7, 2020

Khanh Ha is a software engineer veteran with a track record of industry-level projects in the fields of computer vision, deep learning, machine learning, 3D geometry, and computer graphics technologies. He also specializes in digital human technologies, from 3D avatar estimation to motion capture.

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Discover More OpenCL 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 OpenCL 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 OpenCL developer for your project. Average time to match is under 24 hours.

The Right Fit, Guaranteed

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


  • How are Toptal OpenCL developers different?

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

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

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

    We make sure that each engagement between you and your OpenCL 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 OpenCL Developers are in High Demand.

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