Senior Java Developer
Permanent | Full‑Time
Our client is expanding their engineering team and we’re supporting them in the search for a Senior Java Developer with strong experience in distributed systems, large‑scale data processing, and high‑performance microservices. This is an opportunity to join a highly technical environment working on an event‑driven platform that handles high‑volume, real‑time data.
The Role
You’ll play a key part in designing and delivering Java‑based services that power a complex, data‑intensive system. The ideal candidate enjoys solving distributed‑systems challenges, improving performance, and contributing to architectural decisions.
Key Responsibilities
Develop and maintain Java‑based microservices
Build scalable event‑stream processing pipelines using Apache technologies (Kafka, Camel, Flink, etc.)
Optimise services for throughput, reliability, and low latency
Design and maintain REST APIs for internal and external use
Collaborate with product and UI teams on data models and integration patterns
Design relational data structures for high‑ingest workloads
Write efficient SQL, schema migrations, and performance improvements
Contribute to architecture, testing standards, observability, and code quality
Mentor mid‑level and junior engineers
(Optional) Support tooling, automation, or prototypes using Python
What We’re Looking For
Strong experience building production back‑end systems
Deep expertise in Java
Solid understanding of distributed systems and microservice design
Experience designing and implementing REST APIs
Familiarity with Apache‑based data or messaging frameworks
Experience with containerised deployments
Strong debugging skills across multi‑service environments
Clear communication and the ability to work cross‑functionally