Lead Java Developer (Must hold active SC, 12 month Fixed Term Contract)

Company: Deepstreamtech

Location: London

Posted: May 18th, 2026

Proven experience leading development teams within agile environments
Expert knowledge of Java (11/17/21) and the Spring Boot framework
Strong understanding of microservice architecture and API principles
Skilled in TDD/BDD, Docker, and containerisation
Deep understanding of the software development lifecycle
Experience with AWS cloud services
Exposure to Infrastructure-as-Code and CI/CD pipelines
Knowledge of functional and non-functional testing
Eligible for or holding active SC Security Clearance (essential for production access)
Collaborates effectively, supporting peers and promoting technical excellence
Guides others to understand user stories and define optimal solutions
Champions modern standards and continuous improvement
Mentors junior engineers, fostering professional growth and best practices
Balances technical depth with strategic vision, ensuring scalable and maintainable outcomes

12 month Fixed Term Contract
We are seeking an experienced Lead Java Developer to join a major government programme, driving the development of scalable, cloud-native solutions using AWS and Java
You will lead a talented engineering team, providing technical direction, mentoring, and hands‑on development expertise across complex microservice architectures
Provide technical leadership and guidance to developers, ensuring best practice in coding, testing, and design
Collaborate across teams to review specifications, design, code, test, and document programmes of medium to high complexity
Drive adoption of modern standards and tools, mentoring others to follow suit
Define and deliver test plans, strategies, and automated test suites
Work with AWS and Infrastructure-as-Code principles (Terraform desirable)
Shape and optimise CI/CD pipelines (GitLab CI desirable)
See the bigger picture, identifying opportunities to improve service integration and system performance

#J-18808-Ljbffr