Senior Java Engineer in South West

Senior Java Engineer

eDV or DV Cleared | £70,000-£90,000 | Cheltenham | National Security

Build software that enables analysts to turn complex, multi-source data into actionable intelligence.
We're looking for experienced Java Engineers to develop secure, cloud-native platforms supporting some of the UK's most sensitive National Security programmes. You'll work across large-scale data ingestion, distributed systems, analyst tooling and secure microservices, solving complex engineering challenges in highly regulated environments.

What you'll be building
•    Java services and Apache NiFi data pipelines that ingest, enrich and process large-scale mission data 
•    Secure Spring Boot microservices deployed on OpenShift and Kubernetes 
•    Event-driven distributed systems using message brokers to connect services, data stores and processing pipelines 
•    Modern JavaScript applications and REST APIs that enable analysts to search, visualise and manage operational data 
•    Cross-domain solutions that move information securely between networks of different classifications 

Technology
•    Java, Spring Boot, REST APIs 
•    Apache NiFi, distributed data processing, message brokers 
•    Kubernetes, OpenShift, cloud-native architecture 
•    JavaScript, web API integration and authentication 
•    GitLab, CI/CD, SecDevOps, observability 
•    Database technologies and distributed systems 

We're looking for
•    Strong commercial Java development experience 
•    Experience building scalable microservices and distributed systems 
•    Spring Boot and cloud-native engineering expertise 
•    Experience working with Kubernetes or OpenShift 
•    A passion for clean, resilient software engineering 
•    Experience with Apache NiFi, secure environments or modern JavaScript is advantageous.

Why join?
Founded by engineers, this is a business where technical excellence comes first. You'll spend 10% of your time on learning and development, work alongside experienced engineers solving genuinely difficult problems, and build software that has a real operational impact.

Benefits include:
•    10% pension contribution 
•    10% dedicated learning and development time 
•    Relocation support 
•    37.5-hour working week 

Current eDV or DV clearance, or recently active DV clearance, is essential.
If you're looking for a Java role where distributed systems, secure engineering and modern cloud technologies come together to solve real-world problems, we'd love to hear from you.