Hire the Top 3% of Freelance Vert.x Developers

Toptal is a marketplace for dedicated Vert.x developers, engineers, programmers, coders, architects, and consultants. Top companies and startups choose Toptal Vert.x freelancers for their mission-critical development projects.

No-Risk Trial, Pay Only If Satisfied.

Hire Freelance Vert.x Developers and Engineers

William Wolff

Freelance Vert.x Developer
GermanyToptal Member Since September 22, 2022

William has over eight years of experience as a senior software engineer, architect, and consultant. He builds full-stack applications from scratch and solutions that integrate with existing services and infrastructure. For the past three years, William has been deeply involved in building cutting-edge blockchain solutions ranging from NFT platforms over transaction batching to dApp development. He has worked with startups and leading players in the industry like Input Output and more.

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Alex Bezhan

Freelance Vert.x Developer
United KingdomToptal Member Since March 11, 2015

Alex is a polyglot software engineer with a proven record of building complex systems in banking, trading, gaming, and media. He co-founded AMS Pilot, the agency that manages Amazon brands, currently with $20 million under management. Alex also created custom software that helps Amazon brands scale.

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Alec Ten Harmsel

Freelance Vert.x Developer
United StatesToptal Member Since March 7, 2019

Alec began programming at the age of 14 and has loved it ever since. He ran an autonomous drone team in college for a couple of years before graduating to work on a variety of software in banking and construction management.

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Rostislav Dublin

Freelance Vert.x Developer
RussiaToptal Member Since February 10, 2020

An experienced Java architect, Rostislav brings 25 years of expertise to his clients. He architects solutions and leads complex business process automation projects, and CI/CD. Rostislav works with modern Cloud/virtual and legacy/on-premises infrastructures. His strong engineering background allows him to provide hands-on support in DevOps, system architecture, planning and managing migrations, and new roll-outs.

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Gaurav Tyagi

Freelance Vert.x Developer
United KingdomToptal Member Since May 26, 2021

Gaurav is a polyglot back-end developer with 20+ years of hands-on experience; he's worked as a freelance developer for the past several years. He primarily works with Java and C and is also comfortable with Go being the primary project language or for infrastructure modules. Thanks to having built products in various industries—like finance, healthcare, media, retail, food, and travel—Gaurav has a range of tech and functional skills, which means he can hit the ground running on a project.

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Hugo Barrigas

Freelance Vert.x Developer
PortugalToptal Member Since July 12, 2021

Hugo is a software engineer with 10 years of experience specializing in scalable, resilient, and self-healing cloud-native architectures. He has worked with all major cloud providers and architected several cloud-native solutions. Hugo is a software craftsman at heart with a strong passion for DevOps and site reliability engineering. He recently created Flare, a GitOps workflow orchestrator.

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Marko Radošević

Freelance Vert.x Developer
Bosnia and HerzegovinaToptal Member Since September 27, 2016

Marko is an electrical engineer in computer science with more than half a decade of professional experience in software development. As a certified Oracle Java SE 8 programmer, he has in-depth knowledge in developing enterprise applications using a wide range of Java-based technologies, APIs, and frameworks. Concerning workflows—for Marko—respecting deadlines is as important as delivering high-quality-and-clean code.

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Anuradha Gunasekara

Freelance Vert.x Developer
United KingdomToptal Member Since October 19, 2021

Anuradha has been in the industry for more than seven years, focusing on front-end technologies. He holds a first-class bachelor of engineering honors degree in software engineering from the University of Westminster, UK. Anuradha is a seasoned software engineer highly skilled in JavaScript, Angular, and React and eager to learn and work with new technologies.

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Miguel García López

Freelance Vert.x Developer
SpainToptal Member Since January 2, 2017

Miguel is a highly motivated, passionate software engineer who helps digital products and services come to life. He has gained broad experience over the years, working on embedded systems, back-end services, and modern web and mobile applications. He is a friendly and effective communicator who thrives in a distributed team, dedicated to improving people's lives and businesses through technology.

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Alexandros Nafas

Freelance Vert.x Developer
GreeceToptal Member Since June 8, 2020

With over ten years of experience in software engineering working with numerous major clients in various industries, including logistics, tourism, and adtech, Alex has the skills to deliver complete solutions to difficult problems. He enjoys working on various tasks, from the front end to the back end, data engineering, and infrastructure. However, Alex is most intrigued by figuring out what the client really wants and how he can deliver something of value to them.

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Marcin Wagner

Freelance Vert.x Developer
PolandToptal Member Since October 17, 2022

Marcin is a software engineer and team leader with 13 years of experience in the IT industry. Worked on various different projects for several big multinational companies and startups like Deliveroo, HSBC, William Hill, Ocado, and Schibsted. Marcin is a product-oriented software engineer who values clear and simple solutions for complex problems. He interviewed over 100 people and built great teams which delivered great products.

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Discover More Vert.x Developers in the Toptal Network

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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
Building a cross-platform app to be used worldwide
Drilling into real-time data creates an industry game changer
Drilling into real-time data creates an industry game changer
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


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


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


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


How to Hire Vert.x Developers Through Toptal


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.

Work With Hand-Selected Talent

Within days, we'll introduce you to the right Vert.x developer for your project. Average time to match is under 24 hours.

The Right Fit, Guaranteed

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


  • How are Toptal Vert.x developers different?

    At Toptal, we thoroughly screen our Vert.x developers to ensure we only match you with talent of the highest caliber. Of the more than 200,000 people who apply to join the Toptal network each year, fewer than 3% make the cut. You’ll work with engineering experts (never generalized recruiters or HR reps) to understand your goals, technical needs, and team dynamics. The end result: expert vetted talent from our network, custom matched to fit your business needs.

  • Can I hire Vert.x developers in less than 48 hours through Toptal?

    Depending on availability and how fast you can progress, you could start working with a Vert.x developer within 48 hours of signing up.

  • What is the no-risk trial period for Toptal Vert.x developers?

    We make sure that each engagement between you and your Vert.x 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 Vert.x Developers Are in High Demand.

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