Java Server-Side / Backend Developer

iXceed Solutions; Burgess Hill; Hybrid; GBP 55,000 - 75,000; Full time

Job summary

iXceed Solutions in Burgess Hill is seeking an experienced Backend Developer to join our mobile engineering team. You will design and implement scalable backend services using Java 17+ and Kotlin, building REST APIs and microservices that power global mobile applications.

You will work in a hybrid setup (3 days onsite, 2 days remote) with Spring Boot, Gradle, and CI/CD pipelines, collaborating with product managers, designers, and QA to deliver reliable software.

Qualifications

• Strong hands-on experience in Java 17+ and Kotlin.
• Experience with Spring Framework and Spring Boot.
• Strong understanding of microservices architecture and distributed systems.
• Experience with REST API development and integration.
• Hands-on experience with Gradle and build automation.
• Understanding of asynchronous programming and concurrent applications.
• Experience with CI/CD pipelines and automated testing.
• Strong debugging, troubleshooting, and performance optimization skills.

Responsibilities

• Design, develop, test, and maintain scalable backend applications and microservices.
• Build REST APIs and Backend-for-Frontend (BFF) services for mobile applications.
• Develop solutions using Java 17+ and/or Kotlin, leveraging Spring and Spring Boot.
• Write clean, maintainable, testable, and production-ready code.
• Refactor legacy applications and improve performance, reliability, and scalability.
• Develop and maintain automated build processes using Gradle.
• Implement and maintain CI/CD pipelines.
• Develop asynchronous and concurrent applications.
• Troubleshoot production issues, debug defects, and optimize application performance.
• Implement unit tests and automated testing practices.
• Collaborate with cross-functional teams to solve complex technical challenges.

Skills

Java 17+

Kotlin

Microservices

REST APIs

CI/CD

Tools

Spring Framework

Spring Boot

Gradle

Job description

We are looking for an experienced Java / Kotlin Backend Developer to join a mobile engineering team, building scalable, high-performance backend services for mobile applications used by millions of customers worldwide.

Role -: Java Developer – Java & Kotlin | Spring Boot & Microservices

Location: Burgess Hill, UK

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

Role: Backend Developer / Server-Side Engineer

You will work on the Backend for Frontend (BFF) API layer, developing reliable microservices and collaborating with engineers, product managers, designers, and QA teams to deliver high-quality software solutions.

Key Responsibilities

• Design, develop, test, and maintain scalable backend applications and microservices.
• Build REST APIs and Backend-for-Frontend (BFF) services for mobile applications.
• Develop solutions using Java 17+ and/or Kotlin, leveraging Spring and Spring Boot.
• Write clean, maintainable, testable, and production-ready code.
• Refactor legacy applications and improve performance, reliability, and scalability.
• Develop and maintain automated build processes using Gradle.
• Implement and maintain CI/CD pipelines.
• Develop asynchronous and concurrent applications.
• Troubleshoot production issues, debug defects, and optimize application performance.
• Implement unit tests and automated testing practices.
• Collaborate with cross-functional teams to solve complex technical challenges.

Required Skills & Experience

• Strong hands-on experience in Java 17+ and/or Kotlin.
• Solid experience with Spring Framework and Spring Boot.
• Strong understanding of microservices architecture and distributed systems.
• Experience with REST API development and integration.
• Hands-on experience with Gradle and build automation.
• Understanding of asynchronous programming and concurrent applications.
• Experience with CI/CD pipelines and automated testing.
• Strong debugging, troubleshooting, and performance optimization skills.
• Experience working with legacy systems and enterprise backend services.
• Excellent problem-solving and communication skills.

Nice to Have

• Experience developing Backend-for-Frontend (BFF) services.
• Knowledge of GraphQL (GQL) and RAML.
• Experience supporting large-scale, customer-facing mobile applications.
• Familiarity with modern software engineering practices and open-source technologies.