Contract

Senior Java Developer

GTC Recruitment

Manchester

£600 - £650/day

Posted: 23 June 2026 (Yesterday)

Closing date: 22 July 2026

Ref: 225278130

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Lead / Senior Java Developer (Technical Lead)

We are looking for an experienced Lead / Senior Java Developer to join a high-performing agile team building scalable, high-quality digital services. This is a hands-on technical leadership role where you will guide developers while contributing directly to backend development, APIs, and automated testing.

You will work on complex, high-traffic systems using modern engineering practices, helping to design and deliver robust, scalable services that are resilient and production-ready.

Key Responsibilities

Lead or mentor a team of Java developers
Design and build server-side applications and RESTful APIs
Develop and maintain automated test suites (TDD/BDD)
Support CI/CD and continuous deployment practices
Contribute to 2nd-line production support and incident resolution
Build scalable, high-performance distributed systems
Work with large datasets and ensure systems scale effectively
Communicate technical concepts to non-technical stakeholders
Work in Linux/Unix-based environments

Essential Experience

Strong commercial experience with Java (11/17/21+)
Experience leading or mentoring engineers
Strong background in microservices architecture
Experience building and consuming REST APIs
Strong understanding of TDD, BDD, and automated testing
Experience working in Agile environments
Experience supporting live production systems
Solid understanding of scalable web architecture
Comfortable working in Linux/Unix environments

Desirable Experience

Kafka, ActiveMQ, or similar messaging systems
MongoDB or other NoSQL databases
Mockito, Jackson, JAX-RS
High-scale or high-traffic system experience
Cloud platforms (AWS / Azure / GCP)
CI/CD and DevOps tooling

About You

You are a strong technical leader who enjoys solving complex problems, improving systems, and working collaboratively in cross-functional agile teams. You value clean engineering practices, high-quality code, and delivering reliable systems at scale.

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