Senior Java Developer

Salary: £? - ? per year

Requirements

• 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 with Kafka, ActiveMQ, or similar messaging systems
• Desirable: experience with MongoDB or other NoSQL databases
• Desirable: experience with Mockito, Jackson, and JAX-RS
• Desirable: experience with high-scale or high-traffic systems
• Desirable: experience with cloud platforms such as AWS, Azure, or GCP
• Desirable: experience with CI/CD and DevOps tooling

Responsibilities

• Lead or mentor a team of Java developers
• Design and build server-side applications and RESTful APIs
• Develop and maintain automated test suites using TDD and 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

Technologies

• AWS
• ActiveMQ
• Azure
• Backend
• CI/CD
• Cloud
• DevOps
• GCP
• Support
• Jackson
• Java
• Kafka
• Linux
• MongoDB
• NoSQL
• REST
• TDD
• Unix
• Web
• microservices

More

We are looking for an experienced Lead / Senior Java Developer to join our 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 us design and deliver robust, scalable services that are resilient and production-ready. We value clean engineering practices, high-quality code, and collaborative working in cross-functional agile teams.

last updated 38 week of 2026