Senior Java Engineer (Onsite London) – Microservices

Insight Global; Greater London; On-site; GBP 111,000 - 148,000; Full time

Job summary

Insight Global are seeking a Senior Software Developer for a leading global financial services organisation. The role focuses on designing, developing and maintaining enterprise-scale Java applications while owning delivery across the full software development lifecycle.

The position requires five days onsite per week in London on a 6-month initial contract with extensions and is Inside IR35. The successful candidate will work on modernising legacy platforms, greenfield development, platform

Qualifications

• Strong backend software engineering experience in enterprise environments.
• Proficient in Core Java (JDK 8+).
• Solid understanding of Java fundamentals, OOP, and design patterns.
• Experience using AI tools to support development.
• Experience with RESTful services and microservices.
• Good SQL skills and relational databases.
• Ability to deliver across the full SDLC.

Responsibilities

• Design, develop and maintain scalable Java-based applications.
• Deliver software solutions across the full development lifecycle.
• Support migration from legacy to modern platforms.
• Contribute to greenfield development initiatives.
• Enhance data architecture and data flows.
• Write clean, maintainable code and follow best practices.

Skills

Core Java (JDK 8+)

OOP & design patterns

RESTful services

Microservices

SQL / relational DBs

Algorithms & data structures

Debugging / troubleshooting

AI tooling for development

Cloud & Kubernetes

Shell scripting

Tools

Kubernetes

Shell scripting

Cloud technologies

Job description

Insight Global are seeking a Senior Software Developer for a leading global financial services organisation. The role focuses on designing, developing and maintaining enterprise-scale Java applications while owning delivery across the full software development lifecycle.

The position requires five days onsite per week in London on a 6-month initial contract with extensions and is Inside IR35. The successful candidate will work on modernising legacy platforms, greenfield development, platform