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Java Software Engineer

Ascendionchester, england🇬🇧United KingdomPosted 7 Sept 2026

Why This Role Stands Out

This hybrid role offers a fantastic opportunity to elevate your Java development skills by modernizing enterprise applications within the reputable Ascendion banking technology team. You'll thrive here if you possess strong Java and Spring Boot expertise, enjoy performance optimization, and are eager to contribute to impactful projects, making this an excellent next step in your career. Apply today to join a forward-thinking company and make a significant contribution!

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
chester, england, United Kingdom
SpringSpring BootJava

Job Description

Java Developer - Chester, UK


Location: Chester, UK

Full-Time Role with Ascendion

Hybrid – 3 days per week on-site


We are looking for an experienced Java Developer to join a banking technology team, working on the development, modernisation and optimisation of enterprise applications.

The ideal candidate will have strong Java and Spring Boot experience, along with hands-on expertise in JVM tuning and application restructuring .


Key Responsibilities:

  • Develop and maintain enterprise applications using Java and Spring Boot
  • Restructure and modernise existing applications to improve performance, scalability and maintainability
  • Perform JVM tuning and performance optimisation
  • Analyse application performance and identify bottlenecks
  • Design and implement robust, production-quality solutions
  • Work closely with engineering and technology teams to deliver application improvements
  • Support troubleshooting and resolution of complex production issues


Key Requirements:

  • Strong Java development experience
  • Excellent Spring Boot experience
  • Hands-on experience with JVM tuning and performance optimisation
  • Proven experience with application restructuring / modernisation
  • Strong understanding of application architecture and software engineering principles
  • Experience working with large-scale, production applications
  • Banking or financial services experience is highly desirable



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