At a Glance
- Tasks: Develop secure microservices and APIs for a next-gen Defence Intelligence platform.
- Company: Join a leading tech team in the Defence sector with a focus on innovation.
- Benefits: Competitive daily rate, agile work environment, and opportunities for professional growth.
- Other info: Work onsite in London, collaborating with multidisciplinary teams in a secure environment.
- Why this job: Make a real impact in Defence operations while working with cutting-edge technology.
- Qualifications: Experience in Java, Spring Boot, and secure software development required.
£500-£540 per day | Outside IR35
Location: London (MOD site)
Working Pattern: 4 days per week onsite
Clearance: Current DV Security Clearance required
Background: MOD/Defence experience required
The Opportunity
We're looking for an experienced Back End Developer to help build the core services behind a next-generation Defence Intelligence platform. You'll develop secure, scalable microservices and APIs that support mission-critical operational workflows, working within a highly secure environment alongside multidisciplinary engineering teams. This is an excellent opportunity to contribute to the delivery of innovative digital capabilities supporting Defence operations.
About the Programme
This programme is delivering an AI-enabled Defence Intelligence capability designed to improve visibility of operational data, streamline complex workflows and support faster, more informed decision-making. Working as part of an agile delivery team, you'll help develop secure, cloud-native services that integrate with existing Defence platforms while following modern engineering and DevSecOps practices.
Key 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.
Essential Skills & Experience
- Proven software development experience within MOD, Defence, National Security or similarly secure environments.
- 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 developing secure, scalable and maintainable Back End services.
Desirable Experience
- Experience with Camunda 8, Zeebe, BPMN or other workflow orchestration platforms.
- OpenSearch or Elasticsearch.
- MongoDB, Microsoft SQL Server, Amazon RDS or hybrid data architectures.
- AWS, MODCloud, Tanzu, EKS or other cloud-native platforms.
- Event-driven architectures and asynchronous messaging.
- Istio, mTLS or service mesh technologies.
- Knowledge of semantic search, knowledge graphs or ontology-based solutions.
Mandatory Requirements
- Current DV Security Clearance.
- Ability to work onsite at an MOD location in London four days per week.
- Previous experience delivering within MOD, Defence, Defence Intelligence, Strategic Command or wider National Security organisations.
- Comfortable working with OFFICIAL-SENSITIVE and classified material where authorised.
Ways of Working
- Agile delivery within a multidisciplinary engineering team.
- Close collaboration with Defence stakeholders, Product, Delivery and Engineering teams.
- Secure-by-design approach with a strong focus on audit, traceability, resilience and assurance.
- Building high-quality, maintainable services that support critical operational capabilities.
What We're Looking For
- Successful delivery of secure software solutions within MOD or Defence environments.
- Strong experience designing robust, scalable Back End services and APIs.
- Excellent collaboration and communication skills across technical and non-technical teams.
- A practical understanding of agile delivery and modern software engineering practices.
- Awareness of secure system delivery, accreditation considerations and operational governance.
Back End Developer - DV Cleared in London employer: CBS Butler
CBS Butler is an exceptional employer, offering a dynamic work environment in Yeovil where innovation meets security in the defence sector. With a strong emphasis on employee growth, you will have the opportunity to mentor fellow engineers while working on cutting-edge VMware NSX-T solutions. Our collaborative culture and commitment to technical excellence ensure that your contributions are valued and impactful.
StudySmarter Expert Advice🤫
We think this is how you could land Back End Developer - DV Cleared in London
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at CBS Butler or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to CBS Butler.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like CBS Butler.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like CBS Butler that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Back End Developer - DV Cleared in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at CBS Butler.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at CBS Butler and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at CBS Butler
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If CBS Butler uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
