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Hire the best algorithm developers near Seattle.

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

Divye Kapoor

Member since April 15, 2017
Divye is a very strong, in the top 0.1%, infrastructure engineer with working experience at Google and LinkedIn. He has a Master of Technology in computer science from the Indian Institute of Technology where he was also a silver medalist and the computer science branch valedictorian. Click to continue

Marcel Zięba

Member since September 8, 2016
Marcel has over ten years of experience developing fast and highly scalable applications. He has worked for big companies, including Google, but also for small and successful startups. He is a fast learner and he loves working with cutting-edge technologies. Click to continue

Alexander Rhatushnyak

Member since January 18, 2018
Alexander possesses a Ph.D. in computer science, is an expert in lossless data compression algorithms, a Hutter Prize winner, and a top contributor in competitions that rank lossless data compression programs. His knowledge and experience also spans many adjacent fields including data science, machine learning, natural language processing, digital signing processing, and video/audio compression. Click to continue

Ionut Tamas

Member since January 26, 2017
Ionut is a software engineer who loves to design and implement simple solutions to complex technical challenges. His main expertise is the .NET technology stack (ranging from the database layer to front-end tidbits) with a preference for the back-end challenges. He has worked in teams of all sizes and different work environments (from startups to large corporations) and is able to smoothly adapt to any kind of project. Click to continue

Mario J. Wunderlich

Member since October 28, 2016
Mario is a software engineer with over 20 years of experience and an entrepreneurial spark. He is a generalist more than a specialist with expertise in a number of fields. He loves to learn, to create, to experiment, and especially loves to work and immerse himself in interesting projects. His current focus is in full-stack web development, but he's also interested in mobile development, RESTful APIs, bots, UX, machine learning, and big data. Click to continue

Youssef Sherif

Member since September 11, 2017
Youssef is a prolific software architect/developer who thrives in dynamic, fast-paced working environments. He delivers world-class quality code in terms of architecture, readability, maintainability, and performance. He also has a hunger for learning about new advances in the software industry. Click to continue

Isaac Nygaard

Member since April 12, 2017
Isaac has built web and desktop applications for many years. He also has system administrator experience managing web servers and computing clusters. He's great at coming up with new ideas and developing new algorithms to solve complex problems. He is able to read and implement technical papers and is currently conducting computer science research in machine learning and artificial intelligence. Click to continue
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Testimonials
“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
“Working with Enrique has been a pleasure and a relief. His knowledge in the IT space is broad and in-depth. Zoomedia has been in need of this level of support for some time and I feel confident we are an exponentially stronger team with Enrique on board.”
Justin Bane
Senior Technical Lead @ Zoomedia
“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'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
“Ignacio is one of the most diligent software developers that we have ever worked with—we feel like he's part of the family. He has always been flexible enough to work on our team's schedule and never misses deadlines. Toptal gets you the talent you need, on your timeline, keeping the process very low friction.”
Austin Evarts
CEO @ GoChime
“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
“Robert was such a breath of fresh air. He was an excellent communicator and knew exactly what I was looking for. Now, I have a website that works better than I thought it could for less than the cost -- and in half the time -- it would have taken other developers. Robert is as good as they come, a true professional -- anyone thinking of working with him, hire him. You won’t regret it.”
Matthew Bennett
CEO @ Winning Social LLC
“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
“To take advantage of Toptal's capabilities, we actually remodeled the way we do our work. We develop pseudo code with some code fragments that we send to our Toptal developer, who has a specific task set. The work is then further processed by the next group of Toptal engineers. It's been very efficient and we've seen a massive improvement in our development speed.”
William North
CTO & Co-Founder @ Swizly
“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
“With Toptal, we are able to find talented developers in a matter of weeks instead of months. The quality of talent they supply is extremely high as the developers are able to immediately onboard and ramp incredibly fast.”
Zac Carman
CEO @ ConsumerAffairs
“We struggled for weeks to find a developer or architect with expertise in a niche API, but to no avail. When we linked up with Toptal, they connected us with the very expert we needed, and a week later we were hard at work making progress! The whole process was very smooth and we ended up with a new feature we couldn't have done without Toptal.”
Thomas Honeyman
COO @ FindMySong
“Toptal developers deliver. Hiring my first developer on Toptal was such a pleasant experience that I quickly turned around and hired another. Every developer I've hired on Toptal has been professional, skilled, and self-managing—a pleasant departure from the typical freelancer marketplace.”
Mike Riess
Owner @ RiessGroup