Algorithm

Hire the Top 3% of Freelance Algorithm Developers.

Toptal is a marketplace for top algorithm developers, programmers, coders, and architects. Top companies and start-ups choose Toptal freelance algorithm developers for their mission critical software projects.

No-Risk Trial, Pay Only If Satisfied.

Trusted by leading brands and startups

Hire Freelance Algorithm Developers

Oleksii Sliusarenko

Freelance Algorithm Developer

UkraineToptal Member Since October 3, 2019

Oleksii is a senior research engineer specializing in machine learning with several years of hands-on, in-depth experience. In his free time, he competes in international programming and math competitions—and often wins. At Deloitte and Grammarly, he developed their core deep learning and AI algorithms. Oleksii has worked at all stages of R&D from problem formulation with clients to product deployment.

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James Koshigoe

Freelance Algorithm Developer

United StatesToptal Member Since February 27, 2014

James is a software engineer and consultant focused on web development. He has over a decade of experience in both startup and enterprise business environments building solutions where full-stack skills, creative thinking, and high attention to detail are key, and fast turnaround is paramount.

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Phanindra Vallabhajosyula

Freelance Algorithm Developer

IndiaToptal Member Since July 17, 2019

Phanindra combines deep back-end development expertise using Node.js and PHP with a range of skills from the front end with Vue.js to DevOps in Docker, Kubernetes, and Cloud providers. This enables him to build scalable, secure, and fault-tolerant applications. With a passion for coding and strong attention to details, Phanindra strives to exceed client expectations and deliver bug-free code.

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Agnis Āriņš

Freelance Algorithm Developer

LatviaToptal Member Since January 30, 2019

Agnis is an experienced software engineer with a demonstrated history of working in both the academic and industry sectors. He's an expert problem solver specializing in algorithms and mathematics. Agnis joined Toptal to share those skills on projects that involve complex and challenging tasks.

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Vasil Velikov

Freelance Algorithm Developer

BulgariaToptal Member Since March 7, 2018

Vasil is a curious software engineer with keen interested in technologies and deep knowledge in algorithms and mathematics. He has more than ten years of experience writing highly performant software in C++.

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Shota Silagadze

Freelance Algorithm Developer

GeorgiaToptal Member Since August 11, 2019

Coming from an Olympic background, Shota always enjoyed exciting and complex challenges. For years, he focused on learning algorithms, understanding data structures, and solving genuinely complicated problems. With years of experience in C++, C, Golang, PHP, and JavaScript, he's looking forward to building and delivering outstanding solutions for your projects.

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Tushar Santoki

Freelance Algorithm Developer

IndiaToptal Member Since February 18, 2019

Tushar has over three years of experience developing back-end applications in Spring-Boot, Play, and .NET framework and also in deployment of Azure service fabric apps. He is an expert in developing scalable, performant, resilient, and fault-tolerant applications. He is a quick learner, results-oriented, pragmatic, and driven. He has worked in teams of all sizes and he communicates extremely well. He is passionate about automation.

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Cosmin Rusu

Freelance Algorithm Developer

SwitzerlandToptal Member Since June 23, 2017

Cosmin interned at Amazon and Google, working on high-scalable, distributed systems; working mostly on Java back-end and other small scripts in Python. He is currently working for a startup called Kuende, writing Scala and Go Microservices on top of Google Cloud. Cosmin has a strong background in advanced algorithms and data structures, in C/C++ and is very passionate about machine learning.

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Emilio Almansi

Freelance Algorithm Developer

GermanyToptal 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 a senior software engineer at Yours Inc, Google, and the Max Planck Institute of Informatics, as well as big data startup, Trifacta. He has strong analytical skills and takes great care in communicating with clients to find the right solution for their needs.

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Drazen Zaric

Freelance Algorithm Developer

SerbiaToptal Member Since May 30, 2019

Drazen is a data scientist and data engineer with over seven years of experience building analytics infrastructure, machine learning, and data analysis. He has extensive experience in big data, machine learning, and web development. He has worked with notable companies such as Slack and Microsoft, and built products used by millions of users.

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Armen Nikoyan

Freelance Algorithm Developer

ArmeniaToptal Member Since September 23, 2019

Armen is a performance-oriented JavaScript developer. During his career, he's developed and enhanced dozens of enterprise-level SaaS projects. He is passionate about not only performance but also code quality, scalability, and development time management.

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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

Hire Algorithm Developers Seamlessly with 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 algorithm developer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

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

FAQs

  • How are Toptal Algorithm Developers different?

    At Toptal, we thoroughly screen our Algorithm 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.

  • How fast can I hire Algorithm Developers through Toptal?

    Depending on availability and how fast you can progress, you could start working with an Algorithm Developer within 48 hours of signing up.

  • What is the no-risk trial period for Algorithm Developers?

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

Featured Toptal Algorithm Publications

Top Algorithm Developers are in High Demand.

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