Senior Java Backend Engineer – Secure Microservices (DV)

CBSbutler Ltd.; Greater London; On-site; GBP 92,000 - 100,000; Full time

Job summary

CBSbutler Ltd. is seeking a Back End Developer to build core services for a Defence Intelligence platform. You will design secure, scalable Java-based microservices and RESTful APIs, working in a highly secure environment with multidisciplinary teams.

The role requires current DV security clearance, MOD/Defence experience, and four days per week onsite at a London location. You will contribute to DevSecOps practices and cloud-native deployments.

Qualifications

• Proven software development experience within secure environments such as MOD/Defence.
• Strong commercial Java development experience.
• Expertise with Spring Boot.
• Experience designing and developing RESTful APIs.
• Strong SQL and NoSQL database experience.
• Experience with Docker, Kubernetes or other container technologies.
• Familiarity with CI/CD pipelines and DevSecOps practices.
• Experience delivering secure, scalable backend services.

Responsibilities

• Design, develop and maintain Java-based microservices.
• Build secure RESTful APIs supporting workflow, metadata, document management and integration services.
• Develop workflow integrations using orchestration technologies where required.
• Integrate with enterprise data sources, identity services and existing Defence systems.
• Design and develop scalable persistence layers using SQL and NoSQL databases.
• Contribute to cloud-native deployments, containerisation and CI/CD pipelines.
• Implement secure coding practices, logging, monitoring and audit capabilities.
• Participate in technical design sessions, code reviews and agile ceremonies.

Skills

Java

Spring Boot

REST APIs

SQL

NoSQL

Docker

Kubernetes

CI/CD

Security

Tools

Docker

Kubernetes

AWS

Job description

CBSbutler Ltd. is seeking a Back End Developer to build core services for a Defence Intelligence platform. You will design secure, scalable Java-based microservices and RESTful APIs, working in a highly secure environment with multidisciplinary teams.

The role requires current DV security clearance, MOD/Defence experience, and four days per week onsite at a London location. You will contribute to DevSecOps practices and cloud-native deployments.