Hire the Top 3% of Freelance Python / C# Developers

Toptal is a marketplace for top Python / C# developers, engineers, programmers, coders, architects, and consultants. Top companies and start-ups choose Toptal Python / C# freelancers for their mission-critical software projects.

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Hire Freelance Python / C# Developers and Engineers

View Abhimanyu

Abhimanyu Veer Aditya

Freelance Python / C# Developer

United StatesToptal Member Since March 7, 2019

Machine learning (ML) expert with 15 years of experience in creating predictive solutions for business & scientific applications. Cross-functional technology leader & a co-founder of a successful AI startup, experienced in building teams & working with C-level executives. Proven technical background in computer science & software engineering with expertise in high-performance computing, big data, algorithms, & database & distributed systems.

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Python / C#Machine LearningData ScienceArtificial Intelligence (AI)Linux RHEL/CentOSAlgorithmsJavaScript
View Justin

Justin Michela

Freelance Python / C# Developer

United StatesToptal Member Since March 28, 2018

Justin is a technical professional with a passion for learning and 15+ years of experience leading teams to build enterprise-grade distributed applications that solve real-world problems. He is a firm believer that collaboration across all facets of a business, from development to marketing to sales, is required to succeed in this endeavor.

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Python / C#JavaC#JavaScriptPythonSQLSpring BootjQueryAgileAmazon Web Services (AWS)Angular
View Frédérique

Frédérique Mittelstaedt

Freelance Python / C# Developer

United KingdomToptal Member Since September 16, 2017

Frédérique is a software engineer and entrepreneur with an MSc in theoretical physics from Imperial College London. He excels at building full-stack systems with the web, desktop and mobile apps, microservices, and external integrations. Frédérique co-founded an international marketing agency and three start-ups in developer tools, cybersecurity, and AI. He regularly releases TypeScript packages and contributes to other open-source projects.

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Python / C#JavaScriptTypeScriptPython 3HTML5CSS3Express.jsNode.jsReactLinuxArch LinuxAlpine LinuxDocker
View Rob

Rob Brown

Freelance Python / C# Developer

United StatesToptal Member Since October 4, 2017

Robert is a highly motivated professional with enterprise-level experience. With a combination of excellent communication skills and a laser-like focus, Robert is capable of moving big ideas from design stage to implementation. As a full-stack developer, Robert utilizes a wide breadth of skills and knowledge to tackle the specific problem at hand.

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Python / C#Node.jsGit
View Ibrahim

Ibrahim Mahmoud Ahmed, Ph.D.

Freelance Python / C# Developer

AustraliaToptal Member Since February 27, 2019

Ibrahim is a veteran data scientist and software developer with a passion for deep learning and extensive experience in statistics. He is interested in helping businesses to take full advantage of their data and make data-driven actions.

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Python / C#C++C#PyTorchTensorFlowAgile Software DevelopmentLinuxArtificial Intelligence (AI)Deep LearningStatistical LearningRArcGISData Science
View Kyle

Kyle Kotowick, Ph.D.

Freelance Python / C# Developer

CanadaToptal Member Since November 30, 2018

Dr. Kotowick is a leader in product design and solution architecture, having completed his Ph.D. in MIT's Computer Science and Artificial Intelligence Laboratory and having served as a consultant for global firms, startups, and universities. He specializes in working with enterprise clients to define requirements and explore possible solutions, as well as in leading the development of project architecture, cloud services, and back-end software.

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Python / C#PHPPythonSQLMATLABArduinoRaspberry PiMySQLInternet of Things (IoT)Amazon Web Services (AWS)Back-end DevelopmentNode.jsFull-stack
View Fredrik

Fredrik Håård

Freelance Python / C# Developer

SwedenToptal Member Since May 22, 2014

Fredrik is a developer with over ten years of contracting and entrepreneurial experience. He specializes in back-end product development and lifecycle maintenance in everything from cluster implementations in Telcom charging systems to full-stack product development for one-person startups.

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Python / C#JavaPythonJavaScriptCherryPyDevOpsDebian LinuxMySQLFlaskUbuntuAnsibleAWS EC2Python 3
View Vladimir

Vladimir Veta

Freelance Python / C# Developer

NetherlandsToptal Member Since November 26, 2013

Vladimir is a highly motivated lead developer and systems architect. He has exceptional experience in developing robust enterprise applications, including large-scale business applications and high-load mobile applications.

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Python / C#C++JavaObjective-CJavaScriptiOS SDKAndroid SDKCocoa TouchNetBeansHibernateMySQL WorkbenchXcodeAgile Software Development
View Nikola

Nikola Tanković

Freelance Python / C# Developer

CroatiaToptal Member Since February 17, 2018

Nikola is a distributed applications architect, researcher, and a software engineer. As a university lecturer and post-doctoral researcher with a PhD in computer science, he has a strong analytical approach to problem-solving which yields practical and effective solutions. His communication and coordination skills were developed throughout a six-year CTO and consultancy stint in various software engineering projects from diverse business domains.

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Python / C#PythonJavaScriptPandasPostgreSQLMachine Learning
View Sebastian

Sebastian Brestin

Freelance Python / C# Developer

RomaniaToptal Member Since November 12, 2017

Since 2012, Sebastian has been developing distributed systems for various platforms ranging from Solaris, IBM AIX, HP-UX to Linux and Windows. He's worked with various technologies such as Elasticsearch, PostgreSQL, RabbitMQ, Django, and Celery to build data-intensive scalable software. Sebastian is passionate about delivering high-quality solutions and is extremely interested in big data challenges.

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Python / C#PythonDjangoPostgreSQLDjango REST FrameworkRESTful Web Services

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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
Building a cross-platform app to be used worldwide
Thierry Jakicevic
Building a cross-platform app to be used worldwide
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Creating an app for the game
Conor Kenney
Creating an app for the game
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Leading a digital transformation
Elmar Platzer
Leading a digital transformation
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Testimonials

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 start up, they are our secret weapon.

Brantley Pace, CEO & Co-Founder

Tripcents

In addition to sharp technical skills, Faruk had a great attitude and is a really exceptional communicator. He always let us know where he was with his work, thoroughly and reliably. That's not always the case, and it made working remotely considerably easier. He was an easy integration into the team.

Leif Abraham, Co-Founder

AND CO Ventures Inc

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, Director

K Dunn & Associates

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, CEO

Radeeus

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, Co-Founder

ProHatch

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 , Principal

Site Specific Software Solutions

We used Toptal to hire a developer with extensive Amazon Web Services experience. We interviewed four candidates, one of which turned out to be a great fit for our requirements. The process was quick and effective.

Abner Guzmán Rivera, CTO and Chief Scientist

Photo Kharma

Sergio was an awesome developer to work with. Top notch, responsive, and got the work done efficiently.

Dennis Baldwin, Chief Technologist and Co-Founder

PriceBlink

Working with Marcin is a joy. He is competent, professional, flexible, and extremely quick to understand what is required and how to implement it.

André Fischer, CTO

POSTIFY

We needed a expert engineer who could start on our project immediately. Simanas exceeded our expectations with his work. Not having to interview and chase down an expert developer was an excellent time-saver and made everyone feel more comfortable with our choice to switch platforms to utilize a more robust language. Toptal made the process easy and convenient. Toptal is now the first place we look for expert-level help.

Derek Minor, Senior VP of Web Development

Networld Media Group

Toptal's developers and architects have been both very professional and easy to work with. The solution they produced was fairly priced and top quality, reducing our time to launch. Thanks again, Toptal.

Jeremy Wessels, CEO

Kognosi

We had a great experience with Toptal. They paired us with the perfect developer for our application and made the process very easy. It was also easy to extend beyond the initial time frame, and we were able to keep the same contractor throughout our project. We definitely recommend Toptal for finding high quality talent quickly and seamlessly.

Ryan Morrissey, CTO

Applied Business Technologies, LLC

I'm incredibly impressed with Toptal. Our developer communicates with me every day, and is a very powerful coder. He's a true professional and his work is just excellent. 5 stars for Toptal.

Pietro Casoar, CEO

Ronin Play Pty Ltd

Working with Toptal has been a great experience. Prior to using them, I had spent quite some time interviewing other freelancers and wasn't finding what I needed. After engaging with Toptal, they matched me up with the perfect developer in a matter of days. The developer I'm working with not only delivers quality code, but he also makes suggestions on things that I hadn't thought of. It's clear to me that Amaury knows what he is doing. Highly recommended!

George Cheng, CEO

Bulavard, Inc.

As a Toptal qualified front-end developer, I also run my own consulting practice. When clients come to me for help filling key roles on their team, Toptal is the only place I feel comfortable recommending. Toptal's entire candidate pool is the best of the best. Toptal is the best value for money I've found in nearly half a decade of professional online work.

Ethan Brooks, CTO

Langlotz Patent & Trademark Works, Inc.

In Higgle's early days, we needed the best-in-class developers, at affordable rates, in a timely fashion. Toptal delivered!

Lara Aldag, CEO

Higgle

Toptal makes finding a candidate extremely easy and gives you peace-of-mind that they have the skills to deliver. I would definitely recommend their services to anyone looking for highly-skilled developers.

Michael Gluckman, Data Manager

Mxit

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 at the level of professional commitment each of them has demonstrated. For those looking to work remotely with the best engineers, look no further than Toptal.

Laurent Alis, Founder

Livepress

Toptal makes finding qualified engineers a breeze. We needed an experienced ASP.NET MVC architect to guide the development of our start-up app, and Toptal had three great candidates for us in less than a week. After making our selection, the engineer was online immediately and hit the ground running. It was so much faster and easier than having to discover and vet candidates ourselves.

Jeff Kelly, Co-Founder

Concerted Solutions

We needed some short-term work in Scala, and Toptal found us a great developer within 24 hours. This simply would not have been possible via any other platform.

Franco Arda, Co-Founder

WhatAdsWork.com

How to Hire Python / C# Developers through Toptal

1

Talk to One of Our Industry Experts

A Toptal director of engineering will work 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 Python / C# developer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

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

FAQs

  • How are Toptal Python / C# developers different?

    At Toptal, we thoroughly screen our Python / C# developers to ensure we only match you with talent of the highest caliber. Of the more than 100,000 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. Start now.

  • Can I hire Python / C# developers in less than 48 hours through Toptal?

    Depending on availability and how fast you can progress, you could start working with a Python / C# developer within 48 hours of signing up. Start now.

  • What is the no-risk trial period for Toptal Python / C# developers?

    We make sure that each engagement between you and your Python / C# 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. Start now.

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 in under 2 weeks 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 Python / C# Developers are in High Demand.

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