Senior Software Engineer

Expleo Group; Belfast City District; Presencial; GBP 45.000 - 70.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

ExpleoAcademy training

Competitive benefits package

Medical and dental insurance

Pension and life assurance

Wellbeing programs

Team events

Descripción de la vacante

Expleo is seeking Software Engineers to join our Belfast team, delivering high-integrity software for safety-critical domains. You’ll design, develop, test, and integrate software across regulated environments, with training and mentorship for newcomers to safety-critical engineering.

Experience in defence, aerospace, or similar industries is valued. Structured onboarding, DO-178C/ISO-style standards familiarity, and a collaborative, multidisciplinary team await.

Formación

• Experience in safety-critical, defence, aerospace, or regulated domains.
• Proficiency with embedded real-time software development.
• Familiarity with safety standards and lifecycle processes.

Responsabilidades

• Design, develop, test, and integrate software for regulated environments.
• Contribute to software design documentation and specifications.
• Collaborate with systems and test engineers across teams.
• Participate in code reviews and improve engineering practices.
• Ensure compliance with safety, security, and quality standards.

Conocimientos

Bare Metal Programming

Embedded Systems

Real-time software

HW/SW interfacing

Safety-critical industries

DO-178C familiarity

Herramientas

Git

SVN

Descripción del empleo

Overview

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

As a Software Engineer at Expleo, you will work on the design, development, testing, and integration of software systems used in regulated and high-assurance environments. You will contribute to the delivery of robust, secure, and reliable software solutions, often within defence, aerospace, or other safety-critical industries.

While prior safety-critical experience is highly desirable, we provide comprehensive training and support for engineers looking to develop expertise in standards-driven development environments.

• 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


• Bare Metal Programming


• Knowledge of embedded systems or real-time software development


• HW/SW interfacing


• Ability to hit the ground running


• 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

Experience

• 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


• Experience with requirements management and traceability tools


• Knowledge of embedded systems or real-time software development


• Experience with configuration management tools (e.g. Git, SVN)


• Experience with requirements management and traceability tools


• Experience in software development using languages such as C, C++, Java, or similar


• Experience working in structured development environments (Agile, V-Model, or similar)


• Experience in software development using languages C, C++


• Safety Experience working to develop SIL2 compliant systems


• Defence Experience

Benefits

• Collaborative working environment - we stand shoulder to shoulder with our clients and ourpeers through good times and challenges


• We empower all passionate technology loving professionals by allowing them to expand their skills and take part in inspiring projects


• ExpleoAcademy - 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!


• Always working as one team, our people are not afraid to think big and challenge the status quo

• As a Disability Confident Committed Employer we have committed to:
  
  
  
  • Ensure our recruitment process is inclusive and accessible
  
  
  • Communicating and promoting vacancies
  
  
  • Offering an interview to disabled people who meet the minimum criteria for the job
  
  
  • Anticipating and providing reasonable adjustments as required
  
  
  • Supporting any existing employee who acquires a disability or long term health condition, enabling them to stay in work at least one activity that will make a difference for disabled people
  
  
  
  

"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".

We treat everyone fairly and equitably across the organisation, including providing any additional support and adjustments needed for everyone to thrive