Hire the top 3% of freelance Core Java developers.

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

Andrey Melentyev, Russia

Member since October 12, 2012
Andrey specializes in the design and development of large-scale systems using Java EE, Scala/Play, and Node.js. He has worked for clients in the telecommunications, insurance, and finance industries. He is familiar with software development methodologies and SDLC fundamentals. He is comfortable leading projects from the gathering of requirements to deployment of the product. Click to continue

Jonathan Peterson, United States

Member since November 17, 2014
Jon has over twenty years of professional development experience. For the last ten years or so, he's been concentrating on server-side Java, working remotely with small companies, over the full stack. He's a co-founder of a successful software-as-a-service company, IndieMade, and has managed tech teams large and small. He has a BA in computer science from Cornell University and an MSCS from the University of Massachusetts. Click to continue

Doug Sparling, Thailand

Member since January 6, 2015
Doug is driven by a desire to continuously improve himself, his colleagues, and the products they build. He has almost ten years of experience between the JVM platform and Ruby, and has also worked on an Android app that now serves thousands of customers. He believes in picking the best tool for the job, has a great sense of humor, and prides himself on writing code and documentation equally well. Click to continue

Daniel Campos, Brazil

Member since December 30, 2014
Daniel is a full-stack software engineer with seven years of extensive experience designing and implementing large-scale web-based applications using Java and JavaScript. Lately, he's been working mainly in a Microservices Architecture leveraging the power of Cloud, in particular, the AWS environment. He is a driven individual, a team player, an enthusiastic learner, and most importantly, a passionate professional. Click to continue
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Testimonials
“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
“FundedByMe needed to quickly scale our development team to create the equity crowdfunding leg of our operation. Working with a small budget, we couldn't spend time on vetting candidates, so we turned to Toptal. They identified a stellar developer that truly set the bar when it came to delivering product.”
Arno Smit
CTO @ FundedByMe.com
“Finding a good developer who specialised in the technologies we use seemed like an impossible task... until we used Toptal. We had several trial periods and have just accepted our first developer to join the team! The whole process went seamlessly and without any surprises or hidden costs. We are very happy and will continue to work together!”
Artem Tolmachev
CEO @ eKids.nl
“I'm incredibly impressed with the caliber of the Toptal developers I have worked with - they have proven themselves to be both dedicated and highly talented. We will most definitely continue to work with Toptal. ”
Savannah de Savary
Founder @ Industry Hub
“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
“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
“Our experience with Toptal was very good. We had an open ended development project when we got started and the programmer from Toptal was very helpful, working with us on everything from the top level outline all the way down to development and delivery of functioning code." ”
Michael Milton
VP of Engineering @ SLANTRANGE
“We've had multiple needs for various development talent and Toptal doesn't disappoint. They truly focus on matching the best developer to our specific engagements, and they continue to stay connected in an effort to exceed our expectations at all times”
Mindle Hastings
Sr. Product Manager @ Bodybuilding.com
“We've been very pleased with our experience working with Toptal. Their team was incredibly helpful in helping us find 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
“I’m a big believer in the saying, ‘hire smart, or manage tough’. For us non-hackers, Toptal takes the guesswork out of hiring. Their coders are vetted, and the work is guaranteed. Why look anywhere else?”
Greg Archbald
Founder & CEO @ Greasebook
“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
“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 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
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