Senior Java Engineer
Ncounter Limited · Wickham, England ·
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...