Senior Java Developer

Tec Partners; Leeds; Hybrid; GBP 125,000 - 150,000; Full time

Job summary

A technology recruitment agency is seeking a Lead Java Developer to join a major national digital transformation programme in Leeds. The candidate will lead a Java development team, enhancing high-traffic citizen-facing services used by millions. Strong experience in Java 21+, TDD, BDD, Agile, and API development is required. This role offers up to £700/day inside IR35 for a 12-month contract, with 3 days onsite per week.

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.
• Proven track record building APIs and automated test frameworks for continuous deployment.

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 and improving high-traffic web platforms.

Skills

Java 21 or later

TDD

BDD

Agile delivery

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

Overview

Role: Lead Java Developer

Rate: Up to 700/day Inside IR35

Location: Leeds - 3 Days Onsite Per Week

Contract: 12 Months

About the Role

We're looking for a Lead Java Developer to join a major national digital transformation programme. The successful candidate will help build and improve high-traffic citizen-facing services used by millions across the UK.

Responsibilities

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

Requirements

• Strong recent experience with Java 21 or later.
• Solid understanding of TDD, BDD, and Agile delivery.
• Experience with microservices architecture and responsive web design.
• Proven track record building APIs and automated test frameworks for continuous deployment.
• Familiarity with Unix-like operating systems (Linux/Mac OS X).
• Comfortable with collaborative development practices such as pair programming.

Desirable

• Experience with MongoDB, messaging tools (ActiveMQ/Kafka), and frameworks such as Jackson, JAX-RS, Mockito.
• Knowledge of scaling high-traffic websites and managing large data sets.

Next Steps

If you’re interested in working on impactful, large-scale digital services, please apply with your CV. Shortlisted candidates will be contacted to discuss the role and interview process.