Development test systems engineer Work, Jobs in Belfast, Ant (with Salaries)

Senior Software Engineer
Expleo —Belfast
- Agile
Senior Consultant, Java Developer, Solutions, Engineering, AI & Data
Deloitte —Belfast
- Hybrid work
- Mentoring
- Software development
Design Engineer (Electrical) REF: 2627a
Fingleton White —Antrim
- Overtime
- Hybrid work
- Engineering
- English
- Bachelor's degree
- Health & wellbeing programme
- Employee assistance programme
Quick apply
Software Developer - Prime Services
Marex —Belfast
- Full-time
- Quality control
- Financial services
- AI
Quick apply
Senior Consultant/Manager, AI/ML Engineer, AI Scaling and Transformation, Engineering, AI & Data, Technology & Transformation
Deloitte —Belfast
- Hybrid work
- Computer Science
- Machine learning
- No degree
11d
UI Developer (.NET/React) (AVP)
Citi —Belfast
- Full-time
- Hybrid work
- Bachelor's degree
- No degree
- Mentoring
- Annual leave
- Employee assistance programme
Senior Product Designer
TeamFeePay —Belfast
- Full-time
- Hybrid work
- Mentoring
- Free parking
- Flexible schedule
Quick apply
16h
Senior Software Developer
Wilsons Auctions Ltd —Newtownabbey
- £70,000 a year
- Full-time
- AI
- Employee discount
- Bereavement leave
Quick apply
UX / Product Research & Strategy Lead (VP)
Citi —Belfast
- Full-time
- Hybrid work
- Master's degree
- Analysis skills
- Bachelor's degree
- Annual leave
- Employee assistance programme
8d
Head of Hardware
Angoka —Belfast
- Full-time
- Team management
- Leadership
Senior Software Engineer
Thales —Belfast
- Full-time
- Engineering
- Bachelor's degree

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Senior Software Engineer

Expleo -
Belfast

Apply Now

Job details

Permanent

Benefits

Company pension

Qualifications

Stakeholder collaboration
SVN
Embedded software
Technical writing
Software testing
Agile
Multidisciplinary collaboration
Design documentation
Software development or architecture experience

Full job description

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

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

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 our peers 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
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!
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

Apply Now

Refine Your Search

development test systems engineer jobs in belfast, ant

Senior Software Engineer

Senior Consultant, Java Developer, Solutions, Engineering, AI & Data

Design Engineer (Electrical) REF: 2627a

Software Developer - Prime Services

Senior Consultant/Manager, AI/ML Engineer, AI Scaling and Transformation, Engineering, AI & Data, Technology & Transformation

UI Developer (.NET/React) (AVP)

Senior Product Designer

Senior Software Developer

UX / Product Research & Strategy Lead (VP)

Head of Hardware

Senior Software Engineer

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