Hire the top 3% of freelance
Sinatra developers.

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

Daniel Naves de Carvalho, Brazil

Member since June 27, 2013
Top engineer and entrepreneur, passionate about new ideas and technology. Proficient in both front- and back-end development, enjoys problem solving and finding ways to meet the client's needs. Click to continue

Rob Cameron, United States

Member since March 17, 2015
Rob has a rare skill set combining development and design. He's able to work on the entire web stack from design, UI and front-end engineering to back-end services and APIs and to setting up servers and deployment. He believes in simple, elegant, and streamlined solutions. Click to continue

Tomislav Capan, Croatia

Member since February 12, 2013
Tomislav is a software engineer, technical consultant, and architect with over 10 years of experience. He specializes in full-stack, highly scalable, real-time JavaScript and Node.js applications, with past experience in C#, Java, and Ruby. He is an agile Kanban practitioner who loves to collaborate on development projects. Click to continue

Omar Khan, United States

Member since March 13, 2015
Omar is a software engineer specializing in full-stack web development. He has many years of experience working with technologies such as Python, Ruby, and JavaScript. Omar is passionate about his work and diligent about writing code that is clean, readable, and well-tested. Click to continue

Filip Kostovski, Macedonia

Member since April 6, 2014
Filip is a developer with lots of experience in Ruby on Rails, PHP, and Java who loves to write code. He is adept at creating a secure and functional user experience and communicating with clients to help them meet their needs. Click to continue

Dmitry Ilyashevich, Belarus

Member since January 30, 2014
The bulk of Dmitry's development experience has been in web programming. He currently works primarily with Ruby and JavaScript. He is a fan of well-made software tools, regardless of the technology behind them. Click to continue

Ezequiel Delpero Bejar, Argentina

Member since January 16, 2014
Ezequiel is a very proactive and passionate web developer. He's a big fan of code metrics, good practices, and design patterns. He specializes in back-end and likes to contribute to open source projects in his spare time and write articles on his blog. He has very strong communication skills. Click to continue

Karol Bucek, Czech Republic

Member since January 8, 2014
Karol is always seeking new challenges in his life and technology, and enjoys building things from the bottom-up. Whenever he's put on an existing project, he tries to bring in new air whenever possible. His favorite project will always be the one he's currently working on ... Click to continue

Joseph Halter, Luxembourg

Member since November 15, 2014
Joseph is a programmer with 13 years of experience. He loves using Ruby, Rails, PostgreSQL, and other technologies to find new and innovative solutions to complex issues. He also does iOS apps and likes playing with every language under the sun: Erlang, Elixir, Node.js, you name it. He's always in search of new challenges. Click to continue

Vanja Radovanović, Croatia

Member since May 26, 2013
Vanja is a fast learner most interested in projects that combine a multitude of technologies with development best practices. He adores Elixir and anything Elixir related and has a special interest in software craftsmanship and personal development, both in the field and in life. Click to continue
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Toptal in the press
“Despite accelerating demand for coders, Toptal prides itself on almost Ivy League-level vetting.”
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“Toptal allows corporations to quickly assemble teams that have the right skills for specific projects.”
Steven Norton
Testimonials
“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
“My business relationship with Toptal has been nothing short of terrific. From reviewing my project with their team to choosing a highly-talented developer, and all the way through releasing our application, it has been an incredibly smooth and successful experience.”
Gary Craig
Senior Analyst @ NetApp
“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.
“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
“We really enjoy working with Toptal. The experience has been very positive, and we'd recommend it to anyone seeking developers on-demand.”
Jeff Kerr
CEO @ CaseFleet
“Toptal helped us when we had a hiring gap we needed to fill. The developer we received was excellent, with a great work ethic and fit in very well with the team. We are very happy with the service and would definitely consider using Toptal again in future should we need additional help. ”
David Gildeh
CEO @ Dataloop.io
“Toptal is amazing. Sourcing and interviewing candidates has always been incredibly cumbersome and difficult - and usually takes weeks or months to find the right people. With Toptal, we had 5 candidates in 2 days that were all perfect for the job. They made the scheduling of interviews easy and straightforward and we were working with a top-level developer within 2 weeks. I love you, Toptal.”
Ian Fosbery
CTO @ NMRKT
“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
“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
“I struggled for weeks with a Youtube API-specific problem and couldn't find anyone to solve it. Toptal immediately identified the right consultant who took the time to investigate the issue and resolve it quickly. The process was seamless and I will continue to use Toptal with any other issues that arise.”
Rohit Gupta
CEO @ Bollyshake
“As a growing startup, finding top-notch engineering talent at affordable rates is one of the biggest challenges. After being frustrated with unreliable local contractors in New York, we turned to Toptal. We worked closely with Michal in Poland for 5 months and were thrilled with the results. Michal was an outstanding engineer who communicated flawlessly and took control of our project in ways that far exceeded my expectations. I give Michal and Toptal my highest endorsement and will continue to use and recommend them to anyone looking for software engineering talent.”
David Baker
Founder @ Spins.FM
“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
“We're a small firm with big dreams. After trying 4 or 5 local or outsourced developers, we were out of options. I'd heard of Toptal, but was worried that my company wasn't big enough for them. After calling them up, I found out that I didn't need to meet any minimum budget and was immediately put in touch with a developer to talk through my problems and goals. A day later, he got back to me with a list of possible solutions. After 9 months and 5 developers, Toptal got me my solution in a single week at a price I could afford.”
Kevin Ramirez
Co-Founder @ SixtyVocab.com
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My team is going to personally help you find the best candidate to join your team.

Alvaro Oliveira
VP of Talent Operations