Hire the Top 3% of Freelance Quantum Computing Engineers

Toptal is a marketplace for dedicated Quantum Computing Engineers. Top companies and startups choose Toptal Quantum Computing freelancers for their mission-critical Quantum Computing development projects.

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Hire Freelance Quantum Computing Engineers

Horia Mărgărit

Freelance Quantum Computing Engineer
United StatesToptal Member Since November 16, 2021

Horia's industry experience extends across digital health, consumer finance, internet search, engineering software, and transportation logistics. He has over 10 years of expertise applying AI methods and approaches to tackle businesses problems. Horia's predictions for business applications of AI have been featured in CIO magazine and Forbes. He earned a master of science degree in statistics at Stanford University and two BAs specializing in cognitive and computer science at UC Berkeley.

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Simon Szalai

Freelance Quantum Computing Engineer
CanadaToptal Member Since February 8, 2022

Simon is an accomplished software craftsman with over six years of experience in AI, data science, and application development. His mastery of Python and TypeScript, combined with his ability to quickly master new technologies, sets him apart. He is the co-founder and CTO of a vertical farming startup that raised over $400k so far. He secured third place at the Creative Destruction Labs Quantum Hackathon with the first-ever implementation of the Quantum Active Inference algorithm.

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Darin Erat Sleiter

Freelance Quantum Computing Engineer
BrazilToptal Member Since October 11, 2016

Darin is a data scientist and engineer with a PhD in physics from Stanford. He's passionate about data and machine learning and has worked on data science projects across numerous industries and applications. Darin's co-founded an AI company and led a team of data scientists to build a product which uses machine learning and optimization techniques to reduce energy consumption in data centers. He's eagerly waiting for quantum computers.

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Nephtali Garrido-Gonzalez

Freelance Quantum Computing Engineer
MexicoToptal Member Since February 9, 2021

Nephtali is a data scientist and quantitative researcher based in Mexico City. A quantum physicist by training, Nephtali has experience in the financial, retail, and consulting industries. He was also a two-time representative of Mexico at the International Olympiad in Informatics (2006 and 2007). A lifelong learner, Nephtali is passionate about the democratization of machine learning and the future of artificial intelligence.

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Robert Gevorgyan

Freelance Quantum Computing Engineer
ArmeniaToptal Member Since February 9, 2021

Robert is a full-stack developer with more than seven years of experience building web and mobile applications using cutting-edge technologies. His main strength is flexibility and the speed with which he adjusts to new technologies. Robert is very detail-oriented and often pays attention to the most intricate details to ensure a perfect result. He likes to find elegant and performant solutions to challenging problems and loves taking ownership of the project he works on.

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George Tsiklauri

Freelance Quantum Computing Engineer
GeorgiaToptal Member Since May 10, 2021

George is a senior Python back-end developer with 5+ years of experience. From designing and deploying scalable web applications to leveraging the power of large language models, he is passionate about creating innovative solutions. Committed to writing clean, reliable, and maintainable code, he takes pride in his ability to collaborate effectively. If you're looking for a dedicated and experienced Python developer, George would love to discuss how he can contribute to your team's success.

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Daniele Toletta

Freelance Quantum Computing Engineer
ItalyToptal Member Since August 24, 2022

Daniele is a software developer with a wide experience in videogame development. He has worked with Unity for many years, developing skills for making games for both pc and mobile devices. Daniele is able to take over existing projects and continue their development and take care of their optimization.

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Ashutosh Tripathi

Freelance Quantum Computing Engineer
JapanToptal Member Since September 14, 2021

Ashutosh is a data scientist with over four years of experience in artificial intelligence, data analytics, and software development, specializing in natural language processing, computer vision, and time-series analytics. Some of the industries that Ashutosh has worked in include: advertising/marketing, insurance, IT, telecommunications, and software. Ashutosh has a demonstrated history of successfully developing intelligent solutions and deploying them in production.

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Bartłomiej Patrzyk

Freelance Quantum Computing Engineer
PolandToptal Member Since February 18, 2020

Along with being passionate about cloud computing, Bartłomiej is a proficient full-stack developer with over a decade of experience in software development and industrial automation. He has worked in teams of various sizes in both startup and corporate environments. With robust problem-solving skills and a proactive approach, Bartłomiej always delivers beyond what is expected.

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Andrew Zhuravchak

Freelance Quantum Computing Engineer
PolandToptal Member Since October 4, 2019

A systems engineer with over five years of experience, Andrew works with startups and research institutions on machine learning, blockchain, and embedded systems. He's the type of person who can transform a piece of silicon into a successful product. Andrew is passionate about learning and loves challenging himself with new technologies and problems. The more complex the project, the more likely he will thrive working on it.

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Carlos Ledesma

Freelance Quantum Computing Engineer
SpainToptal Member Since February 3, 2021

Carlos is a Python developer with a strong focus on information security. Having worked in security roles throughout his career, Carlos has been the go-to guy for development tasks and architectural discussions inside security teams. From reverse engineering to mobile test automation, Carlos is an all-around professional.

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Discover More Quantum Computing Engineers 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 Quantum Computing Engineers 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 Quantum Computing engineer for your project. Average time to match is under 24 hours.

The Right Fit, Guaranteed

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


  • How are Toptal Quantum Computing engineers different?

    At Toptal, we thoroughly screen our Quantum Computing engineers 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 Quantum Computing engineers in less than 48 hours through Toptal?

    Depending on availability and how fast you can progress, you could start working with a Quantum Computing engineer within 48 hours of signing up.

  • What is the no-risk trial period for Toptal Quantum Computing engineers?

    We make sure that each engagement between you and your Quantum Computing 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 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 Quantum Computing Engineers Are in High Demand.

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