senior systems developer jobs in Wales

You will be a leading member of the team embarking on a significant and challenging technology development project. This four year project will be a major steppingstone towards achieving the next generation of avionics for customer Tilt-Rotors.

You will be the technical architect for control strategies, moving beyond simple PID loops to implement robust, high-performance control laws capable of operating in demanding environments and high-dynamic manoeuvres. What will be your responsibilities:

You will be based at either our Barnstaple, Bristol or Beckington sites and allows for flexible working, including home working were appropriate. This role allows for flexible working patterns including home working (with attendance at SEAs offices being minimal - typically only required for quarterly progress meetings in Bristol and other occasional, irregular meetings at SEAs premises).

Our client, an operational technology and digital transformation company, is recruiting for a Senior/Lead Protection & Control Systems Engineer to join their business in Staffordshire. Position Title: Senior/Lead Protection & Control Systems Engineer Position Type Permanent Start Date: ASAP Location: Remote from UK Contact: Ashish Rastogi| +44 151 808 1029 Job Description: - As part...

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

You will lead teams that use Systems thinking to analyse, assess and develop ways to mitigate safety, environmental and cyber threats across Aerospace, Defence, Security and Technology markets.

You will have the opportunity to work for leading global consultancy who work across a wide variety of projects with a top reputation for their design and engineering expertise.

You will use your technical expertise, consultative approach, and stakeholder communication skills to deliver practical solutions to complex systems engineering challenges.

You will work alongside experienced systems engineering specialists in a consultancy that values knowledge sharing, training, and development.

We are seeking a Senior Systems Engineer with deep experience delivering requirements-based testing, IVVQ campaigns, and end-to-end trials across complex, safety- and mission-critical defence systems. You'll lead laboratory, rig, field, and sea trials, coordinating multidisciplinary teams and ensuring compliance, certification, and airworthiness objectives are met across development cycles. This...

Senior Systems Engineer Salary: Up to £47,000 per year (DOE) | Working Model: Hybrid, 4–5 days on-site Be part of a pioneering defence initiative shaping the next generation of combat air systems. This role offers the chance to work on advanced weapon integration and effects management, collaborating with international partners to deliver cutting-edge capabilities for the Royal Air Force. As a...

Senior Systems Consultant Bristol (Hybrid Working) Salary negotiable depending on experience Responsibilities: - Research and concept development of systems solutions. - Development and management of system requirements. - Development of abstract architectures to describe systems. - Design process engineering for hardware, software, and mixed technology systems. - Systems safety engineering,...

Are you passionate about cutting-edge IoT technology and hands-on systems testing? SPX Radiodetection is seeking a Senior Systems Test Engineer to join our Bristol-based multidisciplinary engineering team. This is a fantastic opportunity to play a pivotal role in testing and validating our Locator and CAT IoT platform products while shaping a world-class testing function. Why this role...

Job Description An exciting opportunity has arisen to join the growing Integration and Systems Validation team supporting the Land Ceptor project with Ground Based Trials activities for a large export programme. Salary: up to £50,000pa (depending on experience) Location: Bristol (we may be able to offer a relocation package for this role) Dynamic (hybrid) working: typically, 3-5 days per week...

Competitive package with bonus, strong pension and flexible/remote options. Why you'll love this role - High-impact consultancy work with progression - Work-life balance and technical development What you'll be doing - Research and develop system concepts - Define/manage requirements and safety - Evaluate performance and integrity - Solve complex client problems What we want from you -...

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

On a mission to help people who have been diagnosed with chronic kidney disease, this start-up are looking to bring on a Senior TypeScript Developer, who’s fully embraced AI-assisted development. Their mission is to make life better for people suffering from kidney disease by building one of the first algorithm-based behavioural change programmes. The application that does this brings together...

You will shape how our engineers build, test, release, and monitor software, ensuring frictionless workflows while keeping ownership of business logic, test quality, and development practices firmly with the product engineering teams.

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

Our client, an operational technology and digital transformation company, is recruiting for a Senior/Lead Protection & Control Systems Engineer to join their business in Staffordshire. Position Title: Senior/Lead Protection & Control Systems Engineer Position Type Permanent Start Date: ASAP Location: Remote from UK Contact: Ashish Rastogi| +44 151 808 1029 Job Description: - As part...

On a mission to help people who have been diagnosed with chronic kidney disease, this start-up are looking to bring on a Senior TypeScript Developer, who’s fully embraced AI-assisted development. Their mission is to make life better for people suffering from kidney disease by building one of the first algorithm-based behavioural change programmes. The application that does this brings together...