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

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

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

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 Ruby and anything Ruby related and has a special interest in Software Craftsmanship and personal development--both in the field and in general. Click to continue

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

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

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

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

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

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

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
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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.”
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Testimonials
“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
“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'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
“Toptal has provided us developers for a wide range of projects. They are quick to provide candidates, and always very quick in communication. We have been happy with the quality of work from the developers as well as the Toptal representatives. Highly recommend!”
Gena Romano
Vice President of Digital @ VOX Global
“When you're growing quickly and your internal resources are strapped, you need to find a way to move forward regardless. We couldn't have done it without Toptal. From content creation to programming and design, we were able to leverage the expertise of Toptal's network to move even faster that we could have otherwise. They prioritized finding us the right person, not just a person. Every single one they introduced us to was not only qualified and professional, but also eager to help us.”
Josh Leskar
Manager @ Udemy
“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
“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
“With the pressure on and millions watching the Cleveland Cavaliers during the NBA Playoffs, Toptal delivered the talent and expertise needed to launch a brand new fan engagement platform.”
Conor Kenney
Director of Professional Services @ Cleveland Cavaliers
“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
“We needed a programmer to help push a project over the finish line, and I figured -- best case -- Toptal would find someone who would come in and complete a few tickets. Instead, Sergio blended right in with the team and made significant progress after mere days of ramp-up. He even offered to take his laptop with him on vacation in case we had a customer issue with his code! He surpassed my expectations, and then some.”
Bryan Adams
CTO @ Healthsense
“We've been incredibly pleased with our experience working with Toptal thus far. Their team worked quickly and efficiently to isolate the needs of our project, and they paired us with an appropriate developer within a couple days who we quickly contracted after a great interview. The work performed on our project was top-notch, and we can’t wait to make use of Toptal’s resources again.”
Ryan Staake
Owner @ Pomp&Clout
“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
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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