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Hire vetted HPC engineers on demand. Leading companies choose HPC freelancers from Toptal for their most important development projects.

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Clients rate Toptal HPC engineers 4.9 / 5.0 on average based on 253 reviews.
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Stephanie Suzanne Sohn

HPC Engineer
UTC-08:00
United States
Toptal Member Since December 22, 2025

Stephanie is a senior software engineer with expertise in embedded, parallel processing, and tool development. She held multiple positions writing software related to hardware development, ensuring functionality and improving performance, including artificial intelligence (AI), camera, graphics, high-performance computing (HPC), networking, compression, and encryption. Stephanie's an expert in developing tools and user interfaces for automation, data visualization, and performance analysis.

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Stephen Huysman

HPC Engineer
UTC-07:00
United States
Toptal Member Since February 23, 2026

Stephen is a software engineer and data scientist building scalable pipelines and robust predictive models. With an M.S. in Biological Sciences, he applies deep analytical rigor to software engineering. His experience spans managing HPC environments, architecting cloud deployments, and translating high-dimensional data into production apps. Stephen is also an expert in advanced spatial analysis (QGIS) and parsing complex multidimensional formats.

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Jaspreet Singh

HPC Engineer
UTC-05:00
Canada
Toptal Member Since April 2, 2024

Jaspreet is a high-performance computing (HPC) architect, passionate about designing and optimizing cutting-edge computing systems. With nearly 13 years of industry experience, including roles as a site reliability engineer and lead system administrator, he has honed his skills in developing innovative solutions to complex computational challenges. Jaspreet's most remarkable work has been overseeing one of the largest HPC cluster environments worldwide, with 60+ clusters and 1.6+ million cores.

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Anton Helm

HPC Engineer
UTC+01:00
Germany
Toptal Member Since June 30, 2025

Anton is a high-performance computing (HPC) expert with hands-on experience optimizing applications on some of the world's largest supercomputers. With a robust DevOps background, he excels at managing scalable infrastructures. Anton's keen interest in AI technology fuels his expertise in high-performance computing solutions, system optimization, and contemporary deployment methodologies.

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Aleksander Korzynski

HPC Engineer
UTC+01:00
Poland
Toptal Member Since July 20, 2021

Aleksander is a veteran Linux engineer who helps organizations achieve strategic software delivery goals, such as agility, reliability, and security. As a Toptal and Google contractor, he designed a CD pipeline supporting almost 1,000 developers. At the University of Cambridge, he tuned the performance of applications in a >£1 million Linux HPC cluster. Aleksander can configure the cloud, CI/CD, and release automation.

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Igor Reshetnyak

HPC Engineer
UTC+01:00
Switzerland
Toptal Member Since March 16, 2020

Igor is self-motivated and result-oriented senior data scientist with proven software development, data analysis, and modeling experience in academic and industrial environments. He is skilled with Python, SQL, and high-performance computing. He is a well-educated professional with a Ph.D. in physics, seven research papers published in leading scientific journals, and certifications in machine learning, deep learning, and econometrics.

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Florian Bolgar

HPC Engineer
UTC+01:00
France
Toptal Member Since April 1, 2020

Since he was 11 years old, Florian has been programming, and this has become second nature for him. In particular, during his studies in mathematics, physics, and computer science at the prestigious Grande École in France (E.N.S. Ulm), and the four subsequent years as a teacher and a developer, he learned to master parallelization and low-level programming in C, Fortran, and Python. Florian is very versatile, quick to learn, and a very efficient programmer.

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Teodor Nicolau

HPC Engineer
UTC+02:00
Romania
Toptal Member Since June 20, 2025

Teodor is a high-performance computing (HPC) engineer with 14 years of experience supporting, testing, and deploying HPC infrastructure products. He has worked for clients in Europe, the Middle East, and Africa. With solid experience with Linux administration, Teodor is skilled in network configuration, package management, parallel file systems, and high-availability setups.

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Adrian Pop

HPC Engineer
UTC+02:00
Romania
Toptal Member Since November 16, 2020

Adrian is a software engineer with more than 10 years of experience in DevSecOps, cloud infrastructures, SRE, HPC, and security areas. He is passionate about learning, research, and POC. His primary focus is on creating awesome infrastructures, pipelines, and security enhancements for startups or refining small, low-level details for on-premises environments.

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Oguzhan Burak Tekin

HPC Engineer
UTC+03:00
Turkey
Toptal Member Since October 26, 2022

Oguzhan is a senior solution consultant with over 25 years of experience across the telecommunications, web hosting, banking, government, manufacturing, and research industries. With a comprehensive background and an extensive skill set, he has contributed to high-performance computing (HPC), AI, ML, analytics, virtualization, ERP, video surveillance, security, network, and convergence projects. Oguzhan specializes in designing and implementing HPC systems with hundreds of concurrent users.

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Ayaz Huseynov

HPC Engineer
UTC+04:00
Azerbaijan
Toptal Member Since August 30, 2022

Ayaz is a senior systems developer with experience in various fields and platforms, ranging from the public sector to the automotive industry, from low-level HPC development to web and mobile app development. He has worked as a team lead, project architect, and productive team member. His engineering mindset and practical, step-by-step approach to clients distinguish his work.

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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

How to Hire HPC Systems Engineers 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 high performance computing engineer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

Work with your new HPC engineer 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 HPC Engineers

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.

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FAQs

  • Typically, you can hire HPC engineers with Toptal in about 48 hours. For larger teams of talent or full end-to-end project 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 HPC engineer, 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 HPC systems engineer, 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 HPC engineers for your project.

  • At Toptal, we thoroughly screen our high performance computing engineers 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 high performance computing engineers with Toptal, you’ll always work with world-class, custom-matched HPC engineers ready to help you achieve your goals.

  • You can hire HPC engineers on an hourly, part-time, or full-time basis. Toptal can also manage the project end-to-end based on your specific requirements as part of our Consulting and Services offerings. Whether you hire a HPC engineer 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 HPC engineers can fully integrate into your existing team for a seamless working experience.

  • We make sure that each engagement between you and your HPC engineer 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 HPC engineer who may be a better fit and with whom we will begin a second, no-risk trial.

Toptal Lets You Hire Fast,
With Unparalleled Success

  • Trusted Talent Only

    Trusted Talent Only

    Our talent network is composed of thoroughly vetted professionals who ramp up quickly, function as essential team members, and deliver results.

  • Precise Matching

    Precise Matching

    Our experienced talent matchers specialize in identifying talent that fits your needs. They work to understand your exact requirements and hand-select the best professionals for your project.

  • Seamless Hiring

    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

    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

    Effortless Scaling

    We help you scale your team up or down as needed, with quick and efficient hiring in under 48 hours.

  • Flexible Engagements

    Flexible Engagements

    Our flexible engagement models allow you to choose the engagement type that suits your needs and adjust it anytime: hourly, part time, or full time.

Top HPC Engineers Are in High Demand.

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