Hire the top 3% of freelance
Machine Learning engineers.

Toptal is a marketplace for top Machine Learning engineers. Top companies and start-ups choose Toptal Machine Learning freelancers for their mission critical software projects.
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Hire Machine Learning engineers

Andre Dieb Martins, Brazil

Member since September 26, 2012
Andre has a wealth of engineering experience with an extensive software background and a university background in electrical engineering. He excels at swiftly learning and adapting to new technologies and work environments. He specializes in Python and Django. He is fluent in English and Portuguese. Click to continue

Vlad Gutnyk, United States

Member since March 20, 2013
Vlad is very good at finding efficient solutions to software problems. Having experience with many different web technologies, he excels at choosing the best way to turn ideas into well-designed applications. Click to continue

João Filgueiras, Portugal

Member since February 22, 2014
João is an accomplished researcher and prototype developer with a special talent for breaking down large problems into solvable pieces. His background in R&D gives him the edge in implementing efficient, effective, and sophisticated yet clean solutions. Click to continue

Rafael Carrascosa, Argentina

Member since May 29, 2014
A disciplined developer with a scientific background, Rafael is a true specialist in machine learning and natural language processing. He has excellent communication skills and loves to work in teams. Rafael is always proactively thinking of ways to add more value to his clients. Click to continue

Jano Suchal, Slovakia

Member since January 29, 2014
Jano is a full stack developer with strong database skills and a passion for clean code. He handles performance tuning for back-ends and enhances usability in front-ends. He has a serious background in machine learning, recommendation systems, and search. Click to continue

Daniel Michulke, Luxembourg

Member since June 27, 2014
An accomplished developer, entrepreneur, and researcher with a background in mathematics and science, Daniel develops large and flexible applications with the broad vision of an architect and the risk-taking of an entrepreneur. Click to continue

Mahmud Ridwan, Bangladesh

Member since December 31, 2013
Mahmud is a software developer with a knack for efficiency, scalability, and stable solutions. With years of experience working with a wide range of technologies, he is still interested in exploring, encountering, and solving new and interesting programming problems. Click to continue

Carlos Guerreiro, Finland

Member since March 9, 2013
Carlos is an exceptional data generalist who brings a vast amount of experience in the design, implementation, and validation of data intensive systems to all of his projects, along with deep expertise in machine learning and real-time stream processing. Click to continue

Hermina Petric Maretić, Croatia

Member since August 4, 2014
Hermina is a developer with proven skills in data mining, machine learning, and mathematical optimization. When building a project, she gives special attention to algorithm efficiency, putting an emphasis on creating quick and optimized software. Click to continue

Ivan Makeev, United Kingdom

Member since October 28, 2013
Ivan is an algorithm developer and research scientist (PhD) with a strong mathematical and algorithmic background. He is interested in complex projects related to various aspects of computer science, especially in the fields of computer vision, video analytics, and machine learning. Click to continue
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Owner @ Flowsimple
“We struggled for weeks to find a developer or architect with expertise in a niche API, but to no avail. When we linked up with Toptal, they connected us with the very expert we needed, and a week later we were hard at work making progress! The whole process was very smooth and we ended up with a new feature we couldn't have done without Toptal.”
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COO @ FindMySong
“We've been very pleased with our experience working with Toptal. Their team was incredibly helpful in helping us find the perfect developer for our project. The work was stellar, the communication was excellent and we couldn't have been happier with the overall experience. We're excited to work with Toptal for more projects in the future!”
Ryan Walker
Director, Product Management @ Rand McNally
“Prior to working with Toptal, we had a very difficult time finding qualified developers. The Toptal team worked with us to find a developer that was a great fit in terms of technical skills, culture, and finances. Our Toptal developer is four months into this project and we are still impressed with the attention to detail and technical prowess that he brings to our team.”
Justin Fister
Chief Scientist @ PaperRater
“The Toptal process was very organized, personable, and professional. They get to know you and your project idea, and then quickly provide you with several of the world's best developers, who will work hard to achieve your vision. I found a great developer in only a few days and was able to turn my idea into a functional product.”
Ben Woratyla
CEO @ Book Swap
“Dario was recently assigned to our company in order to help with PHP and JW Video player refinements. He listens well and offers common sense suggestions that save both time and money. Dario speeds up the process by asking questions and has delivered our first project on time. His redesigned player offers a very pleasing appearance and delivers functions that are both ergonomic and intuitive.”
Dennis B. Jacobs
President @ College TV Ticket
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Savannah de Savary
Founder @ Industry Hub
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CTO & Co-Founder @ Swizly
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Alex Haro
CEO @ Life360
“Toptal’s ability to rapidly match our project with the best developers was just superb! The developers have become part of our team, and I’m amazed of the level of professional commitments each one of them have demonstrated. For those looking to work remotely with the best engineers, look no further. Thank you, Toptal.”
laurent Alis
Founder @ Livepress
“Dave as a developer was absolutely fantastic! The guidance that he provided us will allow us to make tremendous improvements to the next version of our application.”
Baroni Parson
IT Manager @ City Real Estate Advisors, Inc.
“We needed a programmer to help push a project over the finish line, and I figured -- best case -- Toptal would find someone who would come in and complete a few tickets. Instead, Sergio blended right in with the team and made significant progress after mere days of ramp-up. He even offered to take his laptop with him on vacation in case we had a customer issue with his code! He surpassed my expectations, and then some.”
Bryan Adams
CTO @ Healthsense
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