Java Backend Developer

iXceed Solutions; Burgess Hill; Hybrid; GBP 55,000 - 85,000; Full time

Job summary

iXceed Solutions in Burgess Hill, England, United Kingdom, is seeking a Java Backend Developer to join the Mobile Engineering team. You will build scalable server-side services for mobile apps used by tens of millions of customers worldwide.

The role focuses on Backend-for-Frontend APIs, collaborating with engineers, product managers, and QA. Required skills include Java 17+ or Kotlin, Spring, microservices, Gradle, and strong testing practices.

Qualifications

• Strong hands-on experience with Java 17+ or Kotlin, Spring, microservices and Gradle.
• Proficient in building server-side/backend applications.
• Experience with REST APIs and distributed systems.
• Familiarity with CI/CD workflows and build automation.
• Ability to design and implement scalable, maintainable backend services.

Responsibilities

• Design, develop, test, and maintain server-side applications and microservices.
• Build scalable APIs and Backend-for-Frontend services for mobile applications.
• Develop using Java 17+ and/or Kotlin within the Spring ecosystem.
• Write clean, production-ready code with good testing coverage.
• Refactor legacy code and remove unnecessary debt.
• Maintain automated build processes with Gradle and CI/CD pipelines.
• Troubleshoot defects and production issues.
• Work with asynchronous and concurrent programming patterns.
• Collaborate with cross-functional teams to solve complex problems.
• Contribute ideas throughout the development lifecycle.

Skills

Java 17+

Kotlin

Spring / Spring Boot

Microservices

Gradle

REST APIs

Asynchronous programming

Unit/Automated testing

CI/CD

Debugging/ Troubleshooting

Legacy systems

Problem solving

Team collaboration

Education

Bachelor's degree in Computer Science or related field

Tools

GraphQL

RAML

REST

Job description

Java Backend Developer Jobs in Burgess Hill, England, United Kingdom at iXceed Solutions

Title: Java Backend Developer

Company: iXceed Solutions

Location: Burgess Hill, England, United Kingdom

Job Description

Java Developer– Java & Kotlin

Client: Virtusa

Location: Burgess Hill, UK

Work Model: Hybrid – 3 Days Onsite / 2 Days Remote

Role: Backend Developer / Server-Side Engineer

Role Overview

We are looking for a skilled Server-Side Engineer / Backend Developer to join the Mobile Engineering team and build scalable backend services for mobile applications used by tens of millions of customers worldwide.

You will work on the Backend for Frontend (BFF) API layer consumed by mobile applications, collaborating closely with engineers, product managers, designers, and QA teams.

The ideal candidate should have strong hands-on experience with Java 17+ or Kotlin, Spring, microservices, and Gradle, along with a passion for writing clean, maintainable, high-performance code.

Key Responsibilities

• Design, develop, test, and maintain server-side applications and microservices.
• Build scalable APIs and Backend-for-Frontend services supporting mobile applications.
• Develop solutions using Java 17+ and/or Kotlin and the Spring ecosystem.
• Write clean, maintainable, testable, and production-ready code.
• Refactor and improve existing codebases while removing unnecessary legacy code.
• Develop and maintain automated build processes using Gradle.
• Implement and maintain CI/CD pipelines.
• Troubleshoot and resolve application defects and production issues.
• Develop and work with asynchronous and concurrent code.
• Perform performance analysis, optimization, and scalability improvements.
• Work effectively with legacy systems and integrate with existing backend services.
• Write comprehensive unit and automated tests.
• Evaluate and leverage relevant open-source technologies.
• Collaborate with cross-functional teams to design solutions for complex, open-ended problems.
• Contribute ideas and technical recommendations throughout the development lifecycle.

Required Skills

• Strong experience building server-side/backend applications.
• Strong programming experience with Java 17+ and/or Kotlin.
• Hands-on experience with Spring Framework / Spring Boot.
• Strong understanding of microservices architecture.
• Experience with Gradle and build automation.
• Experience developing and consuming REST APIs.
• Understanding of asynchronous programming and distributed systems.
• Strong knowledge of unit testing and automated testing practices.
• Experience with CI/CD and continuous integration.
• Experience troubleshooting, debugging, and optimizing applications.
• Ability to work with legacy applications and existing backend services.
• Strong problem-solving and analytical skills.
• Ability to work effectively in a large, collaborative engineering environment.
• Bachelor’s degree in computer science or a related field, or equivalent practical experience.

Relevant Technologies

• Kotlin
• Java 17+
• Spring / Spring Boot
• Gradle
• REST
• GraphQL (GQL)
• RAML
• Microservices
• CI/CD