Hire the Top 3% of Freelance JRuby Developers

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

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Hire Freelance JRuby Developers and Engineers

Jeff Gran

Freelance JRuby Developer
United States
Toptal Member Since May 11, 2020

Jeff has been primarily a Ruby and JavaScript developer for the past 10 years. He is familiar with a variety of other languages and frameworks. Most recently, he's spent a year doing iOS development in Swift, and then a year doing DevOps work with Terraform, AWS, Docker, and other technologies.

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Leif Gensert

Freelance JRuby Developer
United States
Toptal Member Since February 14, 2018

For the past eleven years, Leif has worked as a full-time developer focusing on back-end development utilizing Ruby or Elixir. He's worked for giant consulting firms and newly founded startups. Through side projects and open source contributions, he makes sure he stays up to date on the latest tech. A healthy sense of pragmatism keeps him grounded to choose the technology that makes sense as opposed to going with whatever is hip right now.

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Maciej Rząsa

Freelance JRuby Developer
Poland
Toptal Member Since April 7, 2023

Maciej is a software engineer with over 10 years of back-end development experience specializing in distributed systems, databases, and software architecture. He is skilled in developing decoupled code, designing APIs, and text processing and has solid theoretical foundations in databases and high work autonomy. Maciej is also a seasoned technical leader, Scrum Master, and—occasionally—an instructor and speaker with an international track record.

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Richard Terrell

Freelance JRuby Developer
United States
Toptal Member Since August 26, 2021

Rick is an entrepreneurial leader with a background in gaming and immersive technologies. Rick has experience leading and developing defense simulations, video games, and theme park attractions in larger corporate environments and is always interested in new industries. Over the last several years, Rick's also worked in startups as a leader and primary technologist—covering code, architecture, design, and maintenance.

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Daniel Santana

Freelance JRuby Developer
Brazil
Toptal Member Since November 26, 2015

Daniel is a full-stack software engineer with a solid knowledge of JavaScript, Python, and .NET, plus a wide range of technologies. He designed the architecture of real-time, highly-scalable, and highly available systems, where performance was a must. He always considers the best solution for each situation, develops high-quality software, and is always prepared to solve new challenges.

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Marcin Sklodowski

Freelance JRuby Developer
Poland
Toptal Member Since December 24, 2013

Marcin is a code purist, hopelessly in love with Ruby. He is a passionate software engineer with over a decade of experience contributing to multiple projects of various types and sizes. Marcin is happy working with others, is addicted to Scrum, and emphasizes maintaining effective development practices.

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Frank Hall

Freelance JRuby Developer
United States
Toptal Member Since May 28, 2024

Frank is an exceptionally skilled computer scientist with over 20 years of hands-on experience. He excels at developing high-performance solutions to intricate issues and rapidly adapts to new technologies as needed for tailored business solutions. With a profound and extensive understanding of the SaaS domain, Frank brings a wealth of knowledge to every project.

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Alexey Kuznetsov

Freelance JRuby Developer
Spain
Toptal Member Since March 18, 2022

Alexey has a master's degree in computer science. He worked on different projects, from large web portals and mobile apps to rail dispatching systems and custom CI/CD servers. Alexey is proactive and focused on results, product quality, and maintainability. He has excellent communication and problem-solving skills and pays attention to mentorship and expertise sharing. He prefers to work on socially important projects.

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Ignacy Moryc

Freelance JRuby Developer
Poland
Toptal Member Since January 4, 2016

Ignacy is a confident and capable software engineer with more than 13 years of experience leading teams and developing applications. Throughout his career, he has worked with a variety of technologies, including Ruby on Rails, Go, Java, and Clojure. He has been an integral part of successful projects where he worked on complex legacy code bases. He communicates well and has led and worked on teams of all sizes.

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Jonathan Calvert

Freelance JRuby Developer
United States
Toptal Member Since November 15, 2018

Jonathan has over 14 years of professional experience developing software in a variety of languages. He's particularly good with Java and Ruby with a strong focus on APIs and back-end technologies such as queuing systems. He has worked as a tech lead and as a senior engineer with teams from bootstrapped startups and large public companies and in domains such as healthcare, finance, transportation, among others.

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Mateusz Dominiak

Freelance JRuby Developer
Poland
Toptal Member Since December 13, 2014

Matt is a senior web developer and architect with sixteen years of experience. His core competency lies in end-to-end architecting and development of web applications through all phases from the ground up. He has a proven track record of successful product launches working remotely for technology startups for the past eleven years.

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THE TOPTAL ADVANTAGE

98% of Toptal clients choose to hire our talent after a risk-free trial.

Toptal's screening and matching process ensures exceptional talent are matched to your precise needs.

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Toptal in the press

... allows corporations to quickly assemble teams that have the right skills for specific projects.

Despite accelerating demand for coders, Toptal prides itself on almost Ivy League-level vetting.

Our clients
Creating an app for the game
Conor Kenney
Creating an app for the game
Leading a digital transformation
Elmar Platzer
Leading a digital transformation
Building a cross-platform app to be used worldwide
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Drilling into real-time data creates an industry game changer
Drilling into real-time data creates an industry game changer
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 startup, they are our secret weapon.

Brantley Pace

CEO & Co-Founder

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

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

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

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

How to Hire JRuby Developers Through Toptal

1

Talk to One of Our Industry Experts

A Toptal director of engineering will work with 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 JRuby developer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

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

Find Experts With Related Skills

Access a vast pool of skilled developers in our talent network and hire the top 3% within just 48 hours.

FAQs

  • How quickly can you hire with Toptal?

    Typically, you can hire a JRuby developer with Toptal in about 48 hours. For larger teams of talent or Managed Delivery, timelines may vary. Our talent matchers are highly skilled in the same fields they’re matching in—they’re not recruiters or HR reps. They’ll work with you to understand your goals, technical needs, and team dynamics, and match you with ideal candidates from our vetted global talent network.

    Once you select your JRuby developer, you’ll have a no-risk trial period to ensure they’re the perfect fit. Our matching process has a 98% trial-to-hire rate, so you can rest assured that you’re getting the best fit every time.

  • How do I hire a JRuby developer?

    To hire the right JRuby developer, it’s important to evaluate a candidate’s experience, technical skills, and communication skills. You’ll also want to consider the fit with your particular industry, company, and project. Toptal’s rigorous screening process ensures that every member of our network has excellent experience and skills, and our team will match you with the perfect JRuby developers for your project.

  • How are Toptal JRuby developers different?

    At Toptal, we thoroughly screen our JRuby developers to ensure we only match you with the highest caliber of talent. Of the more than 200,000 people who apply to join the Toptal network each year, fewer than 3% make the cut.

    In addition to screening for industry-leading expertise, we also assess candidates’ language and interpersonal skills to ensure that you have a smooth working relationship.

    When you hire with Toptal, you’ll always work with world-class, custom-matched JRuby developers ready to help you achieve your goals.

  • Can you hire JRuby developers on an hourly basis or for project-based tasks?

    You can hire JRuby developers on an hourly, part-time, or full-time basis. Toptal can also manage the entire project from end-to-end with our Managed Delivery offering. Whether you hire an expert for a full- or part-time position, you’ll have the control and flexibility to scale your team up or down as your needs evolve. Our JRuby developers can fully integrate into your existing team for a seamless working experience.

  • What is the no-risk trial period for Toptal JRuby developers?

    We make sure that each engagement between you and your JRuby 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 talent within 48 hours 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.

Top JRuby Developers Are in High Demand.

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