Senior Software Engineer (Java) - Oxfordshire

Greater London, South East, England

Apply by 2 Nov 2025

£75000 - £90000 per annum

Job Ref.: BH-55831

Job Description

As a Senior Java Developer, you’ll play a pivotal role in the design, development, and delivery of both greenfield and existing systems. You’ll help shape our architectural direction, influence engineering best practices, and mentor team members — all while remaining hands-on with coding and problem-solving.
This is a unique opportunity to work across a modern stack (Java, Spring, Angular, Kafka) and navigate the challenges of evolving a legacy platform into a cloud-native, microservice-oriented future.

Key Responsibilities

Design, develop, and maintain scalable Java RESTful APIs using the Spring framework.
Collaborate with frontend engineers working in Angular/TypeScript to build modern user interfaces.
Lead by example with strong, hands-on coding in Java and JavaScript/TypeScript.
Maintain, improve, and occasionally dive deep into complex, messy legacy code — making pragmatic decisions about when to refactor, rewrite, or retire.
Guide technical decision-making for a complex, evolving architecture — with the opportunity to simplify and shape our future direction.
Mentor, support, and upskill team members while fostering a positive, delivery-focused team culture.
Influence stakeholders and contribute to strategic decisions around prioritisation and resource allocation.
Drive the design and delivery of high-quality, well-tested software that meets user needs and complies with public sector standards.
Leverage Apache Kafka to support scalable, event-driven system design.
Write efficient SQL queries and contribute to database design using SQL Server.
Manage builds, dependencies, and deployment pipelines using Gradle and CI/CD tools

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