Senior Java Lead - Modernising Enterprise Apps (Belfast Hybrid)

Northern Ireland Water Limited; Belfast; Hybrid; GBP 55,000 - 75,000; Full time

Job summary

A global software company based in Belfast is seeking an experienced Senior Software Engineer (Tech Lead) to design and evolve complex applications. This role combines hands-on software development with technical leadership. Key responsibilities include leading technical design and implementation, mentoring teams, and ensuring high-quality solutions. The position offers a competitive compensation package, excellent health benefits, and opportunities for growth.

Benefits

Competitive compensation

Health benefits

Flexible time off

Learning opportunities

Supportive environment

Qualifications

• Hands-on experience with Java and Spring Boot.
• Front-end experience with React / JavaScript / TypeScript.
• Strong knowledge of Docker and AWS SaaS environments.
• Experience with CI/CD, automated testing, and security best practices.

Responsibilities

• Lead the technical design and implementation of new product features and enhancements.
• Modernise and refactor existing codebases for scalability and cloud readiness.
• Provide day-to-day technical direction and mentorship for developers.
• Collaborate with product and architecture teams to ensure alignment.

Skills

Java

Spring Boot

React/TypeScript

Docker

AWS

PostgreSQL

Redis

CI/CD

Automated testing

Job description

A global software company based in Belfast is seeking an experienced Senior Software Engineer (Tech Lead) to design and evolve complex applications. This role combines hands-on software development with technical leadership. Key responsibilities include leading technical design and implementation, mentoring teams, and ensuring high-quality solutions. The position offers a competitive compensation package, excellent health benefits, and opportunities for growth.