At a Glance
- Tasks: Design and develop high-quality software for safety-critical systems in defence and aerospace.
- Company: Join Expleo, a leading tech company with a collaborative and inclusive culture.
- Benefits: Enjoy competitive benefits, training opportunities, and a supportive work environment.
- Other info: Dynamic team with mentorship and career growth opportunities.
- Why this job: Make a real impact in high-assurance projects while growing your skills.
- Qualifications: Strong software engineering skills; safety-critical experience is a plus but not required.
The predicted salary is between 40000 - 55000 £ per year.
Expleo is seeking Software Engineers to join our growing Belfast team, delivering high-integrity engineering solutions across a range of complex and safety-critical domains. This role is ideally suited to candidates with experience in safety-critical or defence environments, though we also welcome strong software engineers from non-safety-critical backgrounds who are motivated to transition into this space through structured training and mentorship.
Responsibilities
- Design, implement, and test high-quality software solutions in line with project and regulatory requirements.
- Work within structured development processes (e.g. requirements traceability, verification & validation).
- Collaborate with systems engineers, test engineers, and stakeholders across multidisciplinary teams.
- Contribute to software design documentation and technical specifications.
- Participate in code reviews and support continuous improvement of engineering practices.
- Ensure compliance with relevant safety, security, and quality standards where applicable.
- Support integration and validation activities in lab or simulated environments.
Qualifications
Candidates without direct safety-critical experience are encouraged to apply. Expleo provides:
- Structured onboarding into safety-critical engineering practices.
- Training in relevant industry standards and compliance processes.
- Mentorship from experienced engineers within regulated domains.
- Opportunities to work on progressively complex and high-assurance systems.
Essential skills
- Strong understanding of software engineering principles and lifecycle development.
- Good problem-solving skills and attention to detail.
- Ability to work effectively within a team and communicate technical concepts clearly.
Desired skills
- Background in safety-critical, defence, aerospace, automotive, rail, or other regulated industries.
- Familiarity with standards such as DO-178C, ISO 26262, IEC 61508, or similar.
- Knowledge of embedded systems or real-time software development.
Experience
- Experience with requirements management and traceability tools.
- Experience with configuration management tools (e.g. Git, SVN).
- Experience in software development using languages such as C, C++, Java, or similar.
- Experience working in structured development environments (Agile, V-Model, or similar).
Benefits
- Collaborative working environment.
- Expleo Academy - enables you to acquire and develop the right skills by delivering a suite of accredited training courses.
- Competitive company benefits such as medical and dental insurance, pension, life assurance, employee wellbeing programme, sports and social events, birthday hampers and much more.
- As a Disability Confident Committed Employer, we have committed to ensuring our recruitment process is inclusive and accessible.
- We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation or age.
Senior Software Engineer in Belfast employer: Expleo UK Limited
Expleo is an exceptional employer located in Belfast, offering a collaborative and inclusive work environment where technology enthusiasts can thrive. With a strong focus on employee growth through structured training and mentorship, particularly in safety-critical engineering practices, Expleo empowers its team to tackle inspiring projects while enjoying competitive benefits such as medical and dental insurance, pension plans, and various wellbeing initiatives. The company’s commitment to diversity and inclusion ensures that all employees feel valued and supported, making it a rewarding place to build a meaningful career.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Software Engineer in Belfast
✨Tip Number 1
Network like a pro! Reach out to current or former employees at Expleo on LinkedIn. A friendly chat can give you insider info and maybe even a referral, which can really boost your chances.
✨Tip Number 2
Prepare for the interview by brushing up on safety-critical standards like DO-178C or ISO 26262. Even if you don’t have direct experience, showing that you’re keen to learn can set you apart from the crowd.
✨Tip Number 3
Show off your problem-solving skills during interviews. Be ready to discuss past projects where you tackled challenges head-on. This will demonstrate your ability to thrive in complex environments like defence or aerospace.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining the Expleo team.
We think you need these skills to ace Senior Software Engineer in Belfast
Some tips for your application 🫡
Tailor Your CV:Make sure your CV reflects the skills and experiences that align with the Senior Software Engineer role. Highlight any relevant projects or technologies you've worked with, especially if they relate to safety-critical environments.
Craft a Compelling Cover Letter:Use your cover letter to tell us why you're passionate about transitioning into safety-critical engineering. Share specific examples of your problem-solving skills and how you’ve collaborated in teams to deliver successful projects.
Showcase Your Technical Skills:Don’t forget to mention your proficiency in programming languages like C, C++, or Java. If you have experience with standards like DO-178C or ISO 26262, make sure to include that too—it’s a big plus for us!
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you’re keen on joining our team!
How to prepare for a job interview at Expleo UK Limited
✨Know Your Stuff
Make sure you brush up on software engineering principles and lifecycle development. Familiarise yourself with safety-critical standards like DO-178C or ISO 26262, even if you haven't worked in that environment before. Showing that you’ve done your homework will impress the interviewers!
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific examples where you've tackled complex problems. Think about how you approached the issue, what solutions you considered, and the outcome. This will demonstrate your analytical thinking and attention to detail, which are crucial for a Senior Software Engineer.
✨Team Player Vibes
Expleo values collaboration, so be ready to talk about your experience working in teams. Share instances where you’ve effectively communicated technical concepts or contributed to group projects. Highlighting your ability to work well with others will resonate with their team-oriented culture.
✨Ask Smart Questions
Prepare thoughtful questions about Expleo’s projects, training opportunities, or team dynamics. This shows your genuine interest in the role and helps you assess if the company is the right fit for you. Plus, it gives you a chance to engage with the interviewers on a deeper level.
