Java Full Stack Developer- Hampshire- Kafka/Kubernetes

  • Sentinel
  • Oct 27, 2025
Contractor Telecommunications

Job Description

Full Stack Java Engineer - Core Payments/Backend.

Superb Hampshire based client have an urgent, long-term, Inside IR35, hybrid Remote/Onsite role for an experienced Full Stack Java Engineer to join their Core Payments Backend team. You'll play a key role in the modernization of mission-critical payment applications, focusing on observability, scalability, resiliency, and speed of delivery -all without compromising quality.

If you have experience with: Proven Full Stack Engineering experience, ideally in payments or financial services. Strong background in Java, Spring, Hibernate, Kafka and Kubernetes. Hands-on experience with Linux, VMware, OpenShift, AWS. Knowledge of CI/CD pipelines (Jenkins, GitHub Actions, Chef, Ansible, Nexus). Experience with databases (Postgres or similar). Familiarity with automated testing tools (JUnit, Cucumber, JMeter or similar). Understanding of caching technologies. Experience with Kafka or other streaming technologies.Please get in touch. Full details on request

  • Strong hands-on skills in Java, Spring (DI, scopes, transactions), Kafka (partitions, consumer groups, scaling), Kubernetes, and relational/NoSQL databases.
  • Ability to explain concepts with specific examples from real projects.
  • Demonstrated practical implementation experience in their most recent roles (last 2-3 years) - this is very important as most of the evaluation focuses on practical application.
  • Proven end-to-end involvement in building, deploying, and supporting applications.