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Hire the best algorithm developers near Philadelphia.

Toptal is a marketplace for top remote algorithm developers. Top companies and start-ups in Philadelphia choose Toptal Algorithm freelancers for their mission critical software projects.
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Hire remote algorithm developers near Philadelphia or in a similar time zone

Etienne de Boursetty

Member since April 10, 2016
Etienne has been working in the financial industry for 10 years, building models and market analysis tools for traders at world class financial institutions and hedge funds. Working primarily in C#, he has designed and developed large scale data analysis platforms that allowed business-focused team members to quickly crunch vast quantities of numbers efficiently. Click to continue

Timofey Nevolin

Member since June 25, 2014
Timofey is a software architect and developer with proven ability to develop efficient, scalable, and fault-tolerant server solutions for complex problems. He has excellent analytic abilities and extensive experience with big data real-time processing, server solutions, and web services. Click to continue

Jordan Ringenberg

Member since March 13, 2016
Jordan is a software and systems guru and startup CTO with expert skills and over a decade of full-stack software engineering experience utilizing C++, Python, Java, Objective-C, C#, MySQL, shell scripting, and web programming. He's a computer vision expert using OpenCV/MATLAB and teaches university CS courses. He was the CTO of Di8itcharts.com, an acquired data-visualization startup, and CTO of Wander Media Company, a multimedia startup. Click to continue

Alejandro Correa Bahnsen

Member since July 20, 2015
Alejandro holds a PhD in Machine Learning. He has over 8 years of experience developing data science projects in different areas such as credit card fraud detection, credit scoring, collections, churn, and direct marketing. He enjoys giving talks on successful applications of big data science to different organizations. Moreover he is an active contributor to several open source projects such as scikit-learn. Click to continue

Dave Poirier

Member since August 15, 2017
Since 2010, Dave has been working full-time as an iOS developer in Objective-C and Swift. He also has 20 years of experience in software development specializing in Assembly (Intel) and C. Throughout the years, he's had the opportunity to work on many software development projects in a myriad of software languages. Click to continue

Emilio Almansi

Member since October 29, 2017
Emilio has a broad skill set ranging from full-stack development and distributed computing to blockchain technologies. He has had extensive experience with the Java and Node.js ecosystems as an intern at Google and the Max Planck Institute for Informatics, as well as working remotely with a big data startup in Berlin. He has strong analytical skills and takes great care in communicating with clients to find the right solution for their needs. Click to continue

Alexis Hernandez

Member since February 28, 2015
Alexis taught himself how to program while he was in high school, in an environment with very limited internet access and no guidance. Despite all of this, he fell in love with coding. He's a generalist who has worked in a lot of areas—from embedded devices to web applications. He sets a high bar for code quality and applies good coding and security practices. He's currently building scalable microservices with Scala and Play Framework. Click to continue

Martin Galindez

Member since July 20, 2015
Martin is a software engineer with over five years of experience developing applications on the .NET platform. He tends to stay committed to an assignment until expertise is gained and great results are produced. He enjoys working with professionals around the world generating business synergy. Click to continue

Matías Schapiro

Member since January 2, 2015
Matías has been programming as a hobby since he was six years old. He started with GW basic and Quick Basic in the eighties and has used a lot of technologies since then. Now, he focuses on C#. After finishing his Master's degree in Finance, he has tackled a lot of projects related to capital markets and quantitative algorithms. He loves software and finance and would be an excellent candidate for this kind of project. Click to continue

Kevin Bauer

Member since April 24, 2017
As a mathematician, Kevin is passionate about challenging algorithmic problems. He is a persevering perfectionist and always tries to come up with elegant, efficient solutions. Analytic thinking and logic reasoning are among his strongest suits, and he enjoys writing code that involves out-of-the-box thinking. Click to continue
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David Sawyer
CEO @ TSOLife
“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
“Chris is an absolutely exceptional Python developer, and the single most efficient programmer I've ever worked with. From the beginning of the project, Chris was instantly a vital member of the team. He's proactive, self-managed, knowledgeable, and efficient. I point him in a direction, and he delivers. Chris will be a part of the Crisis Cleanup team as long as I have anything to say about it.”
Aaron Titus
Project Manager @ Crisis Cleanup
“We've been very pleased with our experience working with Toptal. Their team was incredibly helpful in finding us 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
“Toptal provides a great service: Within a week of posting my job, I was matched with my developer and ended up completing the entire project with him. I'll continue to use Toptal in the future for any new development work I may need.”
Mike Jones
CEO @ DigitalDripped
“I really enjoyed my experience with Toptal. Searching for a developer was both painless and engaging, and the first match was a perfect fit! Toptal is a fantastic way to find talented developers for small or large aspects of your project.”
Willem Shepherd
Creative Director @ Mookieyams
“I can't say enough about how happy and confident I am in working with Enrique. He brings an enthusiasm to his profession that is very refreshing, constantly surprising us with his depth of knowledge and his capability to not only complete the task, but to surpass our expectations. He presents us with solutions that we would not have thought about ourselves, and sees the problem better than we can explain it.”
Chad Berryman
Senior Technical Lead @ Zoomedia
“The best talent is at Toptal for sure. It's way better and faster than any other means of getting top talent.”
Rajesh Nagarajan
Co-Founder & CTO @ maxmantra
“Toptal helped us achieve our goals by really understanding what we were looking for. They worked with us very closely to figure out what the right talent looked like -- from a technical, cultural perspective -- and helped us get the onboarding done quickly so the talent could be effective as soon as possible. ”
Jay Tring
Technical Team Lead, CSR Connect, Australia @ CSR Limited
“Toptal has helped my business tremendously by finding, vetting, and recruiting the talent I need, at the right time. I’d definitely recommend it to others.”
Xavier Xicay
CEO & Creative Director @ Tuatara Corp
“We've used Toptal developers multiple times for multiple projects, and they've always been world-class—regardless of whether they've been from South Africa, Brazil, or the United States.”
Alex Haro
CEO @ Life360
“It has been wonderful to work with Fabian for the past two years. He is an expert in JavaScript development and has built our embeddable widget and video player. He is a quick study and is able to learn how to integrate new technologies, which is so critical for a startup. He even took the extra effort to teach others on the team. He is super responsive and often went above and beyond to help us meet deadlines (including working on weekends). Thank you Fabian. Thank you Toptal for making it so easy to find and work with amazing talent.”
Natasha Mohanty
CTO @ FEM Inc