Java Developer

Java Developer – Banking

Location: Chester, UK
Experience: 5+ years
Industry: Banking / Financial Services

Ascendion is looking for an experienced Java Developer to join a technology team supporting a leading Banking client in Chester. The successful candidate will have strong hands-on experience in Java development, JVM technologies, application performance and scalable enterprise applications, ideally within a banking or financial services environment.

Key Responsibilities

• Design, develop and maintain robust, scalable and high-performance applications using Java.
• Develop applications and services running on the JVM, with a strong understanding of JVM internals and runtime behaviour.
• Analyse and resolve application performance, memory and concurrency issues.
• Perform JVM tuning, including heap sizing, garbage collection and thread management.
• Use JVM monitoring and profiling tools to identify performance bottlenecks and memory leaks.

Essential Skills & Experience:

• Strong commercial experience in Java 8/11/17+
• Strong understanding of JVM architecture and internals.
• Hands-on experience with JVM performance tuning and troubleshooting.