Hire GWT developers

Quickly build performant Java web apps. GWT developers optimize your frontend—onboard within the week.

1.5K+
fully vetted developers
24 hours
average matching time
2.3M hours
worked since 2015
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Hire remote GWT developers

Hire remote GWT developers

Developers who got their wings at:
Testimonials
Gotta drop in here for some Kudos. I’m 2 weeks into working with a super legit dev on a critical project and he’s meeting every expectation so far 👏
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Francis Harrington
Founder at ProCloud Consulting, US
I recommend Lemon to anyone looking for top-quality engineering talent. We previously worked with TopTal and many others, but Lemon gives us consistently incredible candidates.
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Allie Fleder
Co-Founder & COO at SimplyWise, US
I've worked with some incredible devs in my career, but the experience I am having with my dev through Lemon.io is so 🔥. I feel invincible as a founder. So thankful to you and the team!
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Michele Serro
Founder of Doorsteps.co.uk, UK
View more testimonials

How to hire GWT developer through Lemon.io

Place a free request

Place a free request

Fill out a short form and check out our ready-to-interview developers
Tell us about your needs

Tell us about your needs

On a quick 30-min call, share your expectations and get a budget estimate
Interview the best

Interview the best

Get 2-3 expertly matched candidates within 24-48 hours and meet the worthiest
Onboard the chosen one

Onboard the chosen one

Your developer starts with a project—we deal with a contract, monthly payouts, and what not

Testimonials

What we do for you

Sourcing and vetting

Sourcing and vetting

All our developers are fully vetted and tested for both soft and hard skills. No surprises!
Expert matching

Expert
matching

We match fast, but with a human touch—your candidates are hand-picked specifically for your request. No AI bullsh*t!
Arranging cooperation

Arranging cooperation

You worry not about agreements with developers, their reporting, and payments. We handle it all for you!
Support and troubleshooting

Support and troubleshooting

Things happen, but you have a customer success manager and a 100% free replacement guarantee to get it covered.
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FAQ about hiring GWT developers

Where can I find GWT developers?

If you need a GWT developer for your project, you can check out some job posting services, like Indeed or Glassdoor. Different recruitment agencies can also help you find a suitable candidate based on your requirements. In this case, you’ll have to vet potential candidates yourself to make sure they possess the necessary soft and hard skills. Or, you can contact platforms like Lemon.io to swiftly receive a list of hand-picked senior-level engineers who fit all your requirements.

What is the no-risk trial period for hiring GWT  developers on Lemon.io?

Lemon.io offers a 20-hour no-risk paid trial period with your chosen GWT developer. If it appears that the developer does not meet your requirements, we’ll quickly provide you with a replacement under our zero-risk guarantee. With a stringent vetting process, our developers never fail while working on your project. Anyway, that is our honest assurance that we will provide a replacement if required.

Is there a high demand for GWT developers?

Yes, the demand for GWT developers is quite high. GWT allows developers to enjoy the advantages of Java code by writing its code and later compiling it into optimized JavaScript to make the application runnable in the browser without any additional plugins. Since Java is a beloved programming language for building enterprise web applications with complex business logic and dynamic user interface GWT developers can enjoy the features of its ecosystem and still be able to execute the application in the browser by producing JavaScript code. GWT combines the best of both languages, thus the engineers who know it are highly sought after.

How quickly can I hire a GWT developer through Lemon.io?

Lemon.io needs as much as 48 hours to connect you with a GWT developer for your request. Providing a clear and detailed job description with all the requirements outlined will help speed up this process. Once we present you with a batch of candidates, hand-picked in accordance with your criteria, it’s all up to you. You can review candidates’ profiles and commit to a subscription with the one(s) you find most suitable for your project straight away. If needed, you can also check the candidates in additional interviews yourself. Keep in mind though that further interviews might take some time and extend the overall hiring process.

What are the main strengths of Lemon.io’s platform?

Here are the main strengths of Lemon.io:
1. All our engineers have at least 4 years of commercial development experience and a versatile background working in different companies and teams. Before being onboarded to the platform, they are comprehensively assessed to ensure they possess senior-level expertise in their stack, as well as good communication skills and fluent English.
2. Our team will carefully analyze your requirements and hand-pick a batch of candidates meeting your criteria, so you don’t have to worry whether the developer has the necessary experience for your tasks.
3. If, for any reason, the developer you’ve chosen cannot proceed with the project, we’ll swiftly offer you a substitute from our database of candidates
4. You can fully integrate the developer with your team. We won’t bother your working process unless any issues arise. If they do, we’ll help you resolve them as soon as possible.

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Ready-to-interview vetted GWT developers are waiting for your request

Susanna Lishchenko
Susanna Lishchenko
Recruiting Team Lead at Lemon.io

Hiring Guide: GWT Developers

Why Hire GWT Developers

Hiring professional GWT Developers (Google Web Toolkit Developers) is essential for businesses seeking to build high-performance, browser-based web applications using Java. GWT is a powerful development framework that allows developers to write client-side code in Java and compile it into optimized JavaScript, ensuring compatibility across browsers and devices. Experienced GWT developers streamline complex enterprise-grade web app development by combining Java’s robustness with web technologies’ flexibility—making them indispensable for scalable, secure, and maintainable applications.

What GWT Developers Do

GWT developers design, develop, and maintain dynamic web interfaces that deliver rich user experiences. They leverage the GWT SDK to compile Java code into efficient JavaScript and integrate it with modern frontend and backend technologies. Their work often includes creating custom widgets, handling asynchronous server communication, and optimizing web performance. GWT developers collaborate closely with UX designers, Java backend engineers, and DevOps teams to build responsive, fast-loading, and enterprise-grade web applications.

Core Responsibilities of a GWT Developer

     
  • Develop and maintain GWT-based web applications using Java and JavaScript.
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  • Design user interfaces and reusable widgets leveraging GWT UI components.
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  • Integrate GWT applications with RESTful APIs, databases, and authentication systems.
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  • Optimize front-end performance through code-splitting and lazy loading.
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  • Implement event-driven communication between client and server using RPC mechanisms.
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  • Collaborate with backend developers for seamless data exchange using Spring Boot or Hibernate.
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  • Ensure browser compatibility and responsive design for various devices.
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  • Maintain code quality through unit testing and continuous integration pipelines.

Essential Technical Skills

     
  • Languages: Java, JavaScript, HTML5, CSS3.
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  • Frameworks & Tools: GWT SDK, GXT (Sencha GWT), Spring Boot, Hibernate, Maven, Gradle.
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  • Frontend Tools: Bootstrap, jQuery, RESTful APIs, JSON.
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  • Testing Tools: JUnit, Selenium, GWTTestCase.
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  • Version Control & CI/CD: Git, Jenkins, Docker.
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  • Soft Skills: Analytical thinking, collaboration, debugging, problem-solving, and communication.

When to Hire GWT Developers

     
  • You’re maintaining or upgrading legacy GWT applications.
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  • You need cross-browser compatible enterprise web applications.
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  • You’re integrating Java-based backend services with interactive frontends.
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  • Your development team requires Java expertise for frontend scalability.
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  • You’re modernizing internal systems or dashboards using GWT and cloud services.

Best Practices for Hiring GWT Developers

     
  1. Assess GWT-specific experience: Candidates should demonstrate proficiency in GWT and Java web frameworks.
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  3. Review frontend and backend integration skills: GWT developers should understand REST APIs and Java-based server communication.
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  5. Evaluate performance optimization knowledge: Developers must know code-splitting, deferred binding, and lazy loading.
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  7. Check modernization capabilities: Many GWT projects involve migrating legacy systems—ensure experience in gradual refactoring.
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  9. Assess testing proficiency: Verify their experience with automated testing tools and continuous integration setups.

Sample Interview Questions for GWT Developers

     
  1. “What is GWT and how does it differ from traditional JavaScript frameworks?”
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  3. “How does the GWT compiler optimize Java code for web deployment?”
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  5. “Explain deferred binding in GWT and its benefits.”
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  7. “Describe how to implement asynchronous communication in GWT.”
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  9. “What techniques do you use for improving GWT app performance?”
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  11. “How do you handle debugging in GWT-based projects?”

GWT in Modern Web Development

Despite newer frontend frameworks like React or Angular, GWT continues to be a powerful tool for enterprises heavily invested in Java ecosystems. It enables developers to reuse business logic between server and client, ensuring robust type-checking and code consistency. GWT is particularly beneficial for enterprise dashboards, data visualization tools, and management systems where performance and security are priorities. Experienced GWT developers integrate legacy systems with modern architectures, ensuring long-term maintainability and interoperability.

Related Lemon.io Pages for Complementary Roles

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Modernize your web applications with expert GWT developers. Hire pre-vetted GWT Developers from Lemon.io to build efficient, scalable, and maintainable web solutions using Google Web Toolkit.

Get Matched with GWT Developers

FAQ

 
What is Google Web Toolkit (GWT)?
 
Google Web Toolkit (GWT) is a development framework that compiles Java code into optimized JavaScript for building fast, cross-browser web applications.
 
Is GWT still used in modern web development?
 
Yes. GWT remains widely used in enterprise environments that rely on Java-based applications, especially for maintaining large, complex systems.
 
Can GWT integrate with modern frameworks?
 
Yes. GWT can integrate with React, Angular, and REST APIs, allowing developers to gradually modernize applications without rewriting entire systems.
 
What are the advantages of hiring GWT developers?
 
Hiring GWT developers ensures robust Java-based frontend development, seamless backend integration, and strong type-safe code for large-scale enterprise projects.