Lead Java Developer - Digital-Scale APIs & Microservices

TEC Partners; West Yorkshire; On-site; GBP 100,000 - 125,000; Full time

Job summary

A leading tech recruitment agency based in the UK is seeking a Lead Java Developer for a major national digital transformation programme. The successful candidate will mentor a team of developers, build scalable solutions, and support high-traffic citizen-facing services. Ideal candidates should have strong experience with Java, Agile methodologies, and a collaborative spirit. This role requires hands-on technical leadership in an impactful environment.

Qualifications

• Strong recent experience with Java 21 or later.
• Solid understanding of TDD, BDD, and Agile delivery.
• Experience with microservices architecture and responsive web design.

Responsibilities

• Lead or guide a team of Java developers on large‑scale digital services.
• Design, build, and enhance server‑side applications and APIs.
• Build and maintain automated test suites for continuous deployment.
• Contribute to scaling high‑traffic web platforms.
• Provide 2nd‑line support for applications, including out‑of‑hours support.
• Communicate technical concepts to non‑technical audiences.

Skills

Java 21 or later

TDD

BDD

Microservices architecture

Responsive web design

APIs

Automated test frameworks

Unix-like operating systems

Collaborative development practices

Tools

MongoDB

ActiveMQ

Kafka

Jackson

JAX-RS

Mockito

Job description

A leading tech recruitment agency based in the UK is seeking a Lead Java Developer for a major national digital transformation programme. The successful candidate will mentor a team of developers, build scalable solutions, and support high-traffic citizen-facing services. Ideal candidates should have strong experience with Java, Agile methodologies, and a collaborative spirit. This role requires hands-on technical leadership in an impactful environment.