At a Glance
- Tasks: Build secure, modern digital capabilities in a Defence environment using Java, Spring Boot, and React.
- Company: Join a leading tech firm focused on Defence and National Security.
- Benefits: Competitive daily rate, collaborative team, and impactful projects.
- Other info: Dynamic, agile environment with opportunities for professional growth.
- Why this job: Make a difference in national security while working with cutting-edge technologies.
- Qualifications: Experience in full stack development and current DV Security Clearance required.
Job Description
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Full Stack Developer
\n £500-£540 per day | Outside IR35
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Java | Spring Boot | React | TypeScript | Secure Digital Platforms
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LocationLondon (MOD site)\n
Working Pattern4 days per week onsite\n
ClearanceCurrent DV Security Clearance required\n
BackgroundMOD/Defence/National Security experience required\n
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\nThe Opportunity\n
We're looking for an experienced Full Stack Developer to help build and deliver secure, modern digital capabilities within a Defence environment.
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You'll work across both Front End and Back End development, contributing to scalable services, APIs and intuitive user interfaces. Working closely with UX Designers, Product, Engineering and Defence stakeholders, you'll help turn complex operational requirements into reliable, user-focused technology.
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This is an excellent opportunity for a Full Stack Developer who enjoys working across the technology stack and wants to contribute to high-profile, mission-critical digital programmes within a highly secure environment.
About the Programme\n
The programme is delivering a next-generation Defence Intelligence capability designed to improve visibility of operational information, streamline workflows, reduce administrative burden and support faster, more informed decision-making.
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The development environment combines modern Front End technologies, secure Back End services, cloud-native engineering and integration with existing Defence systems.
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As a Full Stack Developer, you'll have the opportunity to contribute across the complete application life cycle, from technical design and development through to testing, deployment and continuous improvement.
Key Responsibilities\n
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- Design, develop and maintain secure full stack applications using Java, Spring Boot, React and TypeScript.
- Develop scalable Back End services and secure RESTful APIs.
- Build intuitive, accessible and responsive Front End applications.
- Develop reusable Front End components aligned with established design system principles.
- Integrate Front End applications with Back End APIs, workflow services and identity/access mechanisms.
- Design and implement data persistence using SQL and NoSQL technologies.
- Develop integrations with enterprise data sources and existing Defence systems.
- Contribute to cloud-native deployment, containerisation and CI/CD pipelines.
- Implement secure coding practices, logging, monitoring and audit capabilities.
- Write automated tests across Front End and Back End components.
- Participate in technical design workshops, code reviews and agile ceremonies.
- Work closely with UX Designers, Product, Engineering and Defence stakeholders.
- Support continuous improvement of application performance, usability, reliability and security.
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\nEssential Skills & Experience\n
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- Proven full stack development experience within MOD, Defence, National Security or similarly secure environments.
- Strong Java development experience.
- Strong Spring Boot experience.
- Strong React and TypeScript development experience.
- Experience designing and developing RESTful APIs.
- Experience with SQL and/or NoSQL databases.
- Experience building responsive, accessible and maintainable user interfaces.
- Experience with Git and modern software development practices.
- Experience with Docker, Kubernetes or other container technologies.
- Familiarity with CI/CD pipelines and DevSecOps practices.
- Experience working within agile, multidisciplinary delivery teams.
- Strong understanding of secure software development and scalable application architecture.
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\nDesirable Experience\n
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- Experience with workflow orchestration technologies such as Camunda, Zeebe or BPMN.
- Experience with OpenSearch or Elasticsearch.
- Experience with MongoDB, Microsoft SQL Server, Amazon RDS or similar database technologies.
- Experience working with AWS, MODCloud, Tanzu, EKS or other cloud-native environments.
- Experience with event-driven architectures and asynchronous messaging.
- Experience with secure authentication, identity management and role-based access control.
- Experience with Istio, mTLS or service mesh technologies.
- Experience developing applications for classified or highly regulated environments.
- Experience integrating search, semantic or knowledge-based capabilities.
- Figma experience or close collaboration with UX and design teams.
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\nMandatory Requirements\n
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- 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.
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\nWays of Working\n
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- Agile delivery within a multidisciplinary engineering team.
- Close collaboration with Defence stakeholders, Product, Delivery, UX and Engineering colleagues.
- Secure-by-design approach with a strong focus on audit, traceability, access control and assurance.
- Collaborative approach to technical design, development, testing and continuous improvement.
- Practical focus on delivering reliable, maintainable and user-focused technology.
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\nWhat We're Looking For\n
We're interested in Full Stack Developers who can demonstrate:
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- Successful delivery of secure software solutions within MOD or Defence environments.
- Strong hands-on experience across both Front End and Back End development.
- The ability to design and develop robust APIs, services and user interfaces.
- Strong understanding of modern software engineering and cloud-native development.
- Excellent communication skills across technical and non-technical stakeholders.
- A practical understanding of agile delivery and multidisciplinary team working.
- Awareness of secure system delivery, accreditation considerations and operational governance.
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Rate: £500-£540 per day (Outside IR35)
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Location: London (4 days onsite)
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Clearance: Current DV Security Clearance required
Full Stack 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 Full Stack 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 Full Stack 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.
