Hire Java SE developers

Build high-performance Java applications with expert Java SE developers. Optimize core functionalities—hire now and onboard quickly.

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

Hire remote Java SE 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
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How to hire Java SE 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

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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 Java SE developers

Where can I find Java SE developers?

To find expert-level Java SE developers, look for individuals involved in Java communities (online or offline) — places your perfect hire would already visit. Of course, you can post opportunities via the standard job board routes (such as Dice, Indeed, and LinkedIn). However, it’s recommended that you adopt a more hands-on method when sourcing candidates with this skill set. You may want to network via Java groups and industry forums.

As a time-saving hack for quickly connecting with skilled candidates, use talent marketplaces like Lemon.io. Those will ensure less time spent scouting whilst directly putting you in front of only those Java SE developers who tick each criteria you list.

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

You know that the task of choosing your next Java SE developer can be a leap of faith – to help ease your concerns, we have a paid, no-risk trial period for every candidate. This involves an initial 20 hours of collaborating on your project together, giving you time to get a feel for their technical proficiency, observe their problem-solving strategy & confirm that team synergy exists.

In addition to rigorously vetting all talent, Lemon.io has a replacement policy, so there’s nothing preventing you from getting that ideal candidate. If, at any point, expectations are not met (for whatever reason), we’ll promptly swap the hire. It happens only in 1% of cases or less, but we promise that if the issue exists, we will solve it immediately.

Is there a high demand for Java SE developers?

Yes, the need for skilled Java SE developers is still very high, even with new languages and ways to build software coming up. Java remains a dominant language across diverse technical fields, like back-end systems that power websites, the backbone of Android apps, and enterprise-level solutions many big companies depend on.

Java’s reliability, great performance, and an incredibly rich collection of tools make it an incredibly solid choice for businesses that operate at scale: those in finance or healthcare who rely upon smooth back-end functionality. As long as people are making apps written with Java and companies want to extend their systems without rewriting everything, engineers who have solid Java SE skills are going to be in high demand.

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

You should have a shortlist of developers within a 48 hour timeframe. Once you’ve made your selection, you’re in control of how long you spend on additional steps, such as onboarding. The total hiring timeline can take another few days, depending on the process you choose. Many Lemon.io users get a great new Java SE developer in just a few days after beginning their search, so a similar timeline is possible.

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

Every single Java SE coder we work with has been selected using a very stringent recruitment and technical evaluation system (that leads to an overall 1% candidate acceptance rate).

Our team handles contract negotiation, payment schedules, and administrative bits in tandem with any additional work you and your programmer need. This ensures minimal overheads and that developers can work right away.

We constantly scan online job boards, programmer forums, and other websites across 50 countries (with representation across all major time zones), allowing for streamlined talent matching with your Java SE project.

What is the vetting process for developers at Lemon.io?

The Java SE screening process has multiple steps:

1. Each potential Java SE developer fills out a form listing their past projects, relevant Java SE knowledge, and coding skills, and it’s run through filters to determine if they qualify.
2. If the automated screening is positive, we closely review the application & candidate’s CV to double-check their information against third-party professional sites like LinkedIn or Github.
3. They will then take a screening call and technical test on the Coderbyte platform specifically designed for core aspects and their familiarity with standard Java libraries and typical project hurdles, common architectures, and similar workflows.
4. Developers shortlisted at this point participate in a mock technical interview session with one of our experts at a less senior level and face a variety of coding problems designed to demonstrate their working knowledge often — porting practical coding demonstrations and deep discussions regarding prior projects they led.

How can your business benefit from hiring a Java SE developer?

Java SE developers make strong programs by using Java Standard Edition, They guarantee an app is fully-functional, runs efficiently on the intended system and work everywhere they’re supposed to because Java-based apps need to.

Companies that primarily work with Java will benefit hugely if their developers possess this core skill set. This is particularly true in fields such as building apps (mostly on the Android ecosystem), enterprise-scale software systems, big data, and those industries that depend upon this time-tested toolkit.

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Ready-to-interview vetted Java SE developers are waiting for your request

Inna Chernova
Inna Chernova
Recruiting Lead at Lemon.io

Hiring Guide: Java SE Developers

Why Hire Java SE Developers

Hiring expert Java SE Developers ensures that your business applications are built on a robust, secure, and scalable foundation. Java Standard Edition (Java SE) is the core platform for building enterprise-grade applications, backend systems, and desktop software. Developers specializing in Java SE bring deep understanding of object-oriented programming, concurrency, performance optimization, and JVM-based technologies — enabling companies to create high-performing solutions that can handle complex business logic and large data volumes.

What Java SE Developers Do

Java SE Developers design, develop, and maintain software solutions using the core Java platform. They write efficient, reusable, and testable code while adhering to best practices in software engineering. These developers also manage integrations, data persistence, and performance tuning. Whether building enterprise APIs, desktop applications, or microservices, Java SE Developers play a critical role in maintaining reliable, secure, and scalable systems that support modern business operations.

Core Responsibilities of a Java SE Developer

     
  • Design and implement backend applications using Java SE and associated libraries.
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  • Develop reusable modules and APIs to enhance system scalability.
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  • Implement object-oriented programming (OOP) principles for maintainable code architecture.
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  • Optimize JVM performance and memory management for high-performance systems.
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  • Collaborate with teams on system integration, testing, and deployment.
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  • Write automated unit tests and participate in continuous integration pipelines.
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  • Monitor application performance and resolve bottlenecks or code inefficiencies.

Essential Technical Skills

     
  • Languages: Java SE 8+, SQL, XML, JSON, JavaScript.
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  • Frameworks: Spring, Hibernate, Jakarta EE, JavaFX, Apache Maven.
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  • Databases: PostgreSQL, MySQL, Oracle, MongoDB.
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  • Tools: IntelliJ IDEA, Eclipse, Jenkins, Git, JUnit, Mockito.
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  • Concepts: Multithreading, Data Structures, Algorithms, Design Patterns.
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  • Soft Skills: Problem-solving, communication, analytical thinking, teamwork.

When to Hire Java SE Developers

     
  • You need to build reliable backend services or desktop software.
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  • Your company relies on enterprise-grade data processing and automation systems.
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  • You are developing RESTful APIs or internal business tools using Java SE frameworks.
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  • You want to modernize legacy Java applications for better performance and maintainability.
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  • Your engineering team needs experienced developers with deep understanding of JVM optimization.

Best Practices for Hiring Java SE Developers

     
  1. Test object-oriented knowledge: Ensure candidates demonstrate mastery in OOP principles and design patterns.
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  3. Check performance optimization skills: Evaluate experience in JVM tuning, garbage collection, and multithreading.
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  5. Assess familiarity with core libraries: Strong knowledge of the Java Collections Framework, Streams API, and Concurrency utilities is key.
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  7. Verify integration experience: Ideal candidates have worked with APIs, messaging queues, and database connectors.
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  9. Evaluate testing proficiency: Ask about their use of JUnit, Mockito, and CI/CD practices for automated testing.

Sample Interview Questions for Java SE Developers

     
  1. “Explain the difference between an abstract class and an interface in Java.”
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  3. “How do you handle concurrency and synchronization in Java SE?”
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  5. “What are some common memory management issues in Java, and how do you address them?”
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  7. “How does the Java Stream API improve data processing?”
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  9. “Describe your experience using the Collections Framework.”
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  11. “How do you approach exception handling and logging in large Java applications?”

Java SE Development in the Modern Enterprise

Despite the rise of modern frameworks, Java SE remains a cornerstone in enterprise software development. It forms the foundation for web, cloud, and desktop applications and is integral to high-performance systems like banking, logistics, and healthcare solutions. Java SE developers are now adopting containerization tools like Docker and orchestration systems like Kubernetes to modernize Java-based deployments. Combined with Spring Boot and REST APIs, Java SE provides the reliability and scalability required in today’s data-driven world.

Related Lemon.io Pages for Complementary Roles

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Build reliable enterprise-grade software with top Java SE talent. Hire pre-vetted Java SE Developers from Lemon.io to develop scalable, secure, and high-performance applications tailored to your business.

Get Matched with Java SE Developers

FAQ

 
What is Java SE used for?
 
Java SE (Standard Edition) is used for building desktop applications, backend systems, enterprise APIs, and the core components of larger Java EE applications.
 
What skills should a Java SE developer have?
 
A Java SE developer should have strong knowledge of OOP, multithreading, data structures, JVM optimization, and testing frameworks like JUnit or Mockito.
 
Is Java SE still relevant today?
 
Yes. Java SE remains a critical technology for enterprise software, APIs, and microservices due to its stability, scalability, and long-term compatibility.
 
What is the difference between Java SE and Java EE?
 
Java SE provides core functionality such as the JVM and standard libraries, while Java EE extends it with enterprise features like servlets, EJBs, and distributed computing capabilities.