Hire the Top 3% of Freelance NumPy Developers

Toptal is a marketplace for top Numpy developers, engineers, programmers, coders, architects, and consultants. Top companies and startups choose Toptal Python Numpy freelancers for their mission critical software projects.

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Hire Freelance NumPy Developers and Engineers

Sultan Orazbayev

Freelance NumPy Developer
KazakhstanToptal Member Since May 10, 2022

Sultan is a data scientist with training in social sciences. He is experienced in describing key trends and patterns in data (structured/unstructured) and answering questions related to international economics, social networks, migration, and innovation. Sultan uses Python (especially Pandas, NumPy, and Dask) to deliver practical, real-world tools for government, finance, R&D, and education clients.

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Nathan Faber

Freelance NumPy Developer
United StatesToptal Member Since February 12, 2021

Nathan is a problem solver at heart, having worked as a chemical engineer, financial data scientist, and portfolio manager. He loves to dive into messy data sets to uncover patterns and leverage the data to benefit the business. His quantitative and qualitative analysis skills in machine learning, visualization, and model creation, paired with his attention to detail and development experience in various programming languages, make him an ideal candidate for tackling any project.

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Karen Danielyan

Freelance NumPy Developer
EstoniaToptal Member Since July 6, 2022

Karen is an experienced data scientist and machine learning engineer with a solid background in mathematics and statistics and a proven work track record in the fintech and ad-tech industries. Throughout his career, he has embraced different projects, including building and deploying various models for risk scoring and advertisement-exchange optimization pipelines. Karen is keen on handling big data and machine learning pipelines from data integration to final model deployment.

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Mikhail Gurevich

Freelance NumPy Developer
RussiaToptal Member Since February 9, 2021

Mikhail has a degree in computer science and received a certification from MADE: Academy of Big Data. He has over 10 years of overall experience handling complex data in finance across different industries. Mikhail has two years of machine learning and data science experience with a focus on neural networks, particularly CV and NLP.

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Darin Erat Sleiter

Freelance NumPy Developer
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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Oliver Holloway

Freelance NumPy Developer
United KingdomToptal Member Since May 10, 2016

Oliver is a versatile data scientist and software engineer combining over a decade of experience and a postgraduate mathematics degree from Oxford. Career assignments have ranged from building machine learning solutions for startups to leading project teams and handling vast amounts of data at Goldman Sachs. With this background, he is adept at picking up new skills quickly to deliver robust solutions to the most demanding of businesses.

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Gal Niv

Freelance NumPy Developer
IsraelToptal Member Since July 29, 2022

Gal is an experienced programmer and team leader specializing in building, maintaining, and testing large-scale data-oriented web applications. As a data analyst, he developed a few applications and software for data analysis. Gal uses his skills in data architecture, machine learning, cloud computing, and data pipelining while overseeing the performance of many services.

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Dr. Aleksandre Liluashvili

Freelance NumPy Developer
GermanyToptal Member Since October 12, 2022

Aleksandre completed his PhD in theoretical physics in 2014. A significant part of his thesis was dedicated to developing numerical algorithms and runtime optimization. He then decided to change his career to coding, which he found to be his true passion. He has been coding for over five years, working on many projects for big German banks and primarily using Java, SQL, and Python. Aleksandre likes challenging tasks related to optimizing performance and delivering complex software on time.

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Mohamed Zenadi

Freelance NumPy Developer
FranceToptal Member Since October 25, 2016

Mohamed is a dependable and experienced software engineer with a solid academic background in computing and mathematics. He works with many languages (Java, Scala, and JavaScript), but he specializes in Python professionally and personally (since version 2.4). Mohamed is an easy-going, communicative professional who provides detailed answers to any query.

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John Noecker

Freelance NumPy Developer
United StatesToptal Member Since December 1, 2022

John is a performance-driven full-stack engineer offering experience and insight into solutions to complex problems. He is a skilled communicator and leader who has successfully overseen various projects, with a proven track record of enhancing business operations based on customer specifications. John has also successfully bootstrapped his own forensic linguistics consulting startup and worked in various domains, including biomedical report summarization and author, speaker, or fraud detection.

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Aleksandar Radonic

Freelance NumPy Developer
DenmarkToptal Member Since July 1, 2021

Aleksander is a full-stack and business intelligence developer with five years of experience and a master's degree in finance. His current focus is on developing, expanding, and maintaining the cloud back-end architecture and front-end visuals in an analytics department. Aleksander is also expanding his expertise in machine learning.

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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
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Leading a digital transformation
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Drilling into real-time data creates an industry game changer
Drilling into real-time data creates an industry game changer
What our clients think
Clients Rate Toptal NumPy Developers4.4 / 5.0on average across 2,578 reviews as of Apr 24, 2024
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 NumPy 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 NumPy developer for your project. Average time to match is under 24 hours.

The Right Fit, Guaranteed

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

Find Experts With Related Skills

Access a vast pool of skilled developers in our talent network and hire the top 3% within just 48 hours.


  • How are Toptal NumPy developers different?

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

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

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

    We make sure that each engagement between you and your NumPy 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.

Featured Toptal NumPy Publications

Top NumPy Developers are in High Demand.

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