Senior Java Software Engineer

Ncounter Technology Recruitment; Cheltenham; On-site; GBP 70,000 - 90,000; Full time

Benefits offered by this job

Learning time: 10%

Relocation support

Job summary

Ncounter Technology Recruitment is seeking experienced Java Engineers for a Cheltenham role focused on secure, cloud-native platforms for national security programs. You will work across large-scale data ingestion, distributed systems, and secure microservices to deliver impactful software.

The role emphasizes building secure Java services, Spring Boot microservices, and event-driven architectures, with a requirement for current DV clearance and a strong focus on clean, resilient software

Qualifications

• Experience building secure, cloud-native Java services and data pipelines.
• Strong background in distributed systems and microservices architecture.
• Active DV or eDV clearance required (current or recently active).

Responsibilities

• Build Java services and NiFi data pipelines for large-scale ingest and processing.
• Develop secure Spring Boot microservices deployed on OpenShift/Kubernetes.
• Create event-driven architectures using message brokers to connect services and data stores.

Skills

Java

Spring Boot

REST APIs

Kubernetes

OpenShift

CI/CD

SecDevOps

Observability

Distributed systems

Tools

GitLab CI/CD

OpenShift

Kubernetes

Job description

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
• Cross-domain solutions that move information securely between networks of different classifications

Technology

• Java, Spring Boot, REST APIs
• Kubernetes, OpenShift, cloud-native architecture
• GitLab, CI/CD, SecDevOps, observability
• Database technologies and distributed systems
• 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

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% dedicated learning and development time
• Relocation support

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.