Senior Software Engineer - C# - (Hybrid Remote) in Farnborough, Hampshire

Senior Software Engineer - C# - (Hybrid Remote) in Farnborough, Hampshire

Farnborough +1 Full-Time 60000 - 80000 £ / year (est.) Home office (partial)
Addition+

At a Glance

  • Tasks: Design and build secure software solutions for mission-critical projects.
  • Company: Specialist tech business in defence and national security.
  • Benefits: Up to £85,000 salary, private medical, generous pension, and professional development.
  • Other info: Hybrid working, collaborative environment, and excellent career growth opportunities.
  • Why this job: Tackle complex engineering challenges that make a real difference.
  • Qualifications: Strong full-stack development experience with Java, Python, or Go.

The predicted salary is between 60000 - 80000 £ per year.

Join a specialist technology business delivering secure, mission-critical digital solutions for highly sensitive environments. This is an opportunity to work on complex engineering challenges where your work directly supports faster, safer decision-making on projects that genuinely matter.

Location: Farnborough (Hybrid)

Up to £85,000 basic + bonus, private medical, life assurance, enhanced pension, professional development support and more

Industry: Defence / National Security / Secure Digital Technology

  • Designing, building, and maintaining secure software solutions within highly regulated environments
  • Developing modern front-end applications using JavaScript/TypeScript and React
  • Building scalable backend systems using technologies such as Java, Python, or Go
  • Working with cloud platforms including AWS or Azure to optimise performance, reliability, and scalability
  • Using Docker and containerisation technologies to improve deployment consistency and efficiency
  • Supporting CI/CD pipelines and automation to streamline software delivery
  • Contributing to code reviews and technical discussions to improve quality across the team
  • Keeping pace with emerging technologies and helping shape better ways of working

Requirements:

  • Strong software engineering background with experience across full-stack development
  • Backend development experience using Java, Python, or Go
  • Commercial experience with JavaScript/TypeScript and React
  • Hands-on experience with AWS or Azure cloud platforms
  • Understanding of CI/CD pipelines, DevOps practices, and automated testing
  • Solid grasp of software engineering fundamentals, including algorithms and data structures
  • Familiarity with Agile delivery environments and secure development principles

Benefits:

  • Hybrid working and a collaborative, highly skilled engineering environment
  • ~25 days annual leave plus bank holidays
  • ~Private medical cover and life assurance
  • ~Generous pension contribution (10% employer / 5% employee)
  • ~Bonus scheme
  • ~Ongoing professional development, training, and career growth support
  • ~Access to on-site facilities including parking, gym, café, restaurant, and breakout spaces

Due to the nature of the work, candidates must be eligible to obtain UK Security Clearance.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

Locations

FarnboroughHampshire

Senior Software Engineer - C# - (Hybrid Remote) in Farnborough, Hampshire employer: Addition+

Join a forward-thinking technology firm in Farnborough, where you will tackle complex engineering challenges that contribute to national security and defence. With a strong emphasis on professional development, a collaborative work culture, and a comprehensive benefits package including private medical cover and a generous pension scheme, this role offers not just a job, but a meaningful career path in a secure and innovative environment.

Addition+

Contact Details:

Addition+ Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Software Engineer - C# - (Hybrid Remote) in Farnborough, Hampshire

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 Addition+ 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 Addition+.

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 Addition+.

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 Addition+ 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 Senior Software Engineer - C# - (Hybrid Remote) in Farnborough, Hampshire

C#
JavaScript
TypeScript
React
Java
Python
Go

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 Addition+.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Addition+ 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 Addition+

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 Addition+ 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.