Java Technical Lead

Java Technical Lead Financial Services | Java | Distributed Systems | AWS Salary - up to £115k + bonus + cash benefits Hybrid - Currently 2 days per month in the office

An opportunity has arisen for an experienced Java Backend Software Engineer/ Technical Lead to join a leading financial services organisation, working on the design, development and modernisation of complex, business-critical technology platforms.

This role is suited to a highly capable, hands-on engineer with deep expertise in Core Java, multithreading, distributed systems and AWS , who enjoys solving challenging engineering problems and building scalable, high-performance applications.

Working within an established engineering team, you will play a key role in shaping technical solutions, influencing architectural decisions and delivering resilient software that supports critical business operations.

Key Responsibilities

• Design, develop and deliver robust, scalable backend applications using Java and Spring.
• Engineer complex distributed systems with a focus on performance, concurrency, resilience and availability.
• Apply deep Core Java knowledge, including collections, multithreading, memory management and garbage collection optimisation.
• Design and implement microservices and cloud-native solutions leveraging AWS.
• Contribute to architectural decisions, technical design reviews and the evaluation of engineering trade-offs.
• Drive software engineering best practices across code quality, automated testing, CI/CD and production reliability.
• Collaborate with principal engineers, architects and business stakeholders to translate complex requirements into effective technical solutions.
• Mentor engineers, provide technical guidance and contribute to a culture of engineering excellence.
• Explore opportunities to leverage AI and modern development tooling to improve engineering productivity.

Required Skills & Experience

• Core Java: Strong hands-on expertise in Java fundamentals, collections, concurrency, multithreading, garbage collection and JVM performance.
• Spring: Extensive experience developing enterprise-grade backend applications using Spring and Spring Boot.
• Distributed Systems: Proven experience designing and building scalable, resilient distributed applications and microservices.
• AWS: Commercial experience developing, deploying and supporting cloud-based applications using AWS.
• Financial Services: Previous software engineering experience within banking or financial services is essential.
• Software Architecture: Strong understanding of design patterns, scalability, performance optimisation and modern engineering principles.
• Databases: Experience with relational databases, ideally Oracle or PostgreSQL.
• Technical Leadership: Ability to influence technical decisions, mentor engineers and communicate effectively with technical and non-technical stakeholders.

Desirable Experience

• Kafka or other event-driven messaging technologies.
• Kubernetes, containerisation and cloud-native deployment.
• CI/CD pipelines, infrastructure automation and DevOps practices.
• Exposure to LLMs, machine learning, agentic AI or AI-assisted software engineering.
• Experience working in Agile engineering environments.