At a Glance
- Tasks: Tackle challenging tech problems while developing software for UK border protection.
- Company: Join a dynamic team within the Home Office, focused on public safety.
- Benefits: Enjoy a competitive salary, generous leave, and flexible working options.
- Other info: Opportunities for career growth and learning new technologies in a supportive environment.
- Why this job: Make a real difference in national security while advancing your tech skills.
- Qualifications: Experience in software development and a passion for collaboration.
The predicted salary is between 17992 - 17992 £ per year.
This role sits in the Common Business Application (CBA) team, which is a critical capability within UK border protection, and part of a comprehensive RN detection capability within the Cyclamen programme, which screens incoming freight, vehicles and passengers for such material, in order to protect the public. This sits within the Shared Applications Service department, with over 650 engineers. This is the engineering capability, developing in all areas including policing, Homeland Security, Border Force, and migration.
The Principal Developer works on challenging technical problems, which require broad thinking while remaining hands-on developing software. You will be expected to actively deliver but will have more of a focus on ensuring delivery quality and overall service value. You will be working on large scale problems on critical services setting strategy and standards for the wider team to follow. You may be called upon to take part in planning with senior stakeholders to make sure that technical designs match strategy. In this you will be expected to help ensure that all engineers, architects and other professions are working together. You will also identify, test and advocate for new tools or approaches.
Tools and Technologies we use:
- Databases: PostgreSQL and Mongo
- AWS
- Docker
- Kubernetes
- Helm
- React
- Node.js
- Apache Nifi
Responsibilities include:
- Design, specification, development of large and complex data platforms, both cloud and on-premises, including platform migration.
- Selecting appropriate tooling, and specifying, designing, building, refactoring, and documenting complex code, scripts, frameworks, and infrastructure-as-code definitions, to automate build and deployment activities.
- Specify and lead the implementation of master data management processes and standards, ensuring data integrity, transformation, availability and searchability through formal methods and protection measures.
- Specifying and setting standards for automated testing, scanning and code analysis in collaboration with testers, architects, service owners and developers.
- Specifying, guiding, and leading the adoption of automation frameworks for CI/CD and ETL data pipelines.
- Specifying and ensuring good use of processes, procedures and tooling for application or database monitoring, maintenance, and incident response.
Why work for us:
Find out more information at: Benefits - Home Office Careers, but some of the primary ones are:
- A Civil Service Pension with employer contribution rates of £17,992 annually
- In-year reward scheme for one-off or sustained exceptional personal or team achievements.
- 25 days annual leave on appointment, rising with service.
- 8 days of public holidays, plus 1 additional privilege day.
- Flexi-time allowance and flexible working options.
Location: Croydon | Westminster | Sheffield | Salford | (hybrid)
Skills allowance of up to £18,721, pending assessment.
Advert Close Date: 3rd August 2026.
Principal Developer in London employer: UK Home Office
Join a forward-thinking team in Liverpool, Sheffield, or Salford as a Senior Interaction Designer, where your passion for creating accessible services will be valued. With a strong emphasis on employee growth, you will have the opportunity to mentor junior designers while enjoying a supportive work culture that prioritises collaboration and innovation. Benefit from a competitive salary, generous leave, and a Civil Service Pension, all while contributing to meaningful government projects that enhance user experience.
StudySmarter Expert Advice🤫
We think this is how you could land Principal Developer 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 UK Home Office 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 UK Home Office.
✨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 UK Home Office.
✨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 UK Home Office 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 Principal Developer 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 UK Home Office.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at UK Home Office 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 UK Home Office
✨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 UK Home Office 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.
