Senior Java Developer
Summary
Hands-on senior/lead Java developer role in Manchester: mentoring developers while building backend services, REST APIs, and automated test suites for scalable, high-traffic distributed systems. Core stack is Java 11+, microservices, TDD/BDD, and Linux, with desirable Kafka, MongoDB, and cloud (AWS/Azure/GCP) experience.
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