software systems engineer jobs in Cardiff

Senior Systems Engineering 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...

A fantastic opportunity has arisen for a Senior Electronics Systems Engineer – Design Authority to join a specialist engineering team responsible for a safety-critical electronics subsystem supporting complex weapon system programmes. This role performs the duties of the Design Authority for a critical launch-related electronics system and reports into senior engineering leadership, holding...

Senior Systems Engineer – Satellite Communications Location: Hereford, Herefordshire (Hybrid – 3 days onsite) We’re partnered with a well-established UK engineering organisation operating at the forefront of satellite communications and RF systems. They are looking to appoint a Senior Systems Engineer to take ownership of complex products used in critical SatCom infrastructure worldwide. This...

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.

Join JLR as a Vehicle Test Engineer – ADAS. Join JLR and play a key role in shaping the future of driving technology. We’re looking for a Vehicle Test Engineer – ADAS to help validate and refine advanced driver assistance systems that make vehicles safer, smarter, and more intuitive. In this role, you’ll work within our Assisted & Automated Driving (AAD) validation team, preparing vehicles for...

PROJECT DESCRIPTION Join a fast-moving, outcome-driven engineering team that builds high-quality simulations and real-time experiences using commercial and proprietary game engines. You’ll shape how we exploit, extend, and integrate engines to solve complex systems problems, influence product roadmaps, and mentor engineers across disciplines. If you love squeezing performance from engines,...

Opportunity: Copello is partnering with a Defence client to recruit a Principal Control Systems Engineer to join their team. In this role, you will use your expertise in PLC and SCADA systems to design, develop, and support advanced control and HCI solutions for naval platform management systems. This is your chance to work on high integrity systems in a secure, highly regulated defence...

Software Engineer Document Management & Workflow Systems Please ensure you read the below overview and requirements for this employment opportunity completely. Details: - Initial6-month contract - Fully remote, EU working hours - Start end of Feb / early March Were looking for an experienced Software Engineer (Contractor) to support a regulated banking client on their Document Management &...

About The Role Deadline for applications: 11:59pm on 31st October 2025 Applying for this role is straight forward Scroll down and click on Apply to be considered for this position. Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. xujxxms We use technology to create impactful,...

You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development.

Job Title: Functional Safety Software Engineer Location: Coventry Employment type: Permanent We are seeking an experienced Functional Safety Software Engineer to support the design, implementation, and verification of functional safety software in accordance with ISO 26262. The role focuses on functional safety system design, software validation, and compliance activities, with a strong...

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

Satellite Electrical Power Systems Engineer (NewSpace) Location: Reading, Berkshire Employment Type: Full-Time | On-Site Package: Competitive Salary + Benefits + Relocation Support Are you an Electrical Power Systems specialist passionate about defining power architectures for next-generation satellite platforms operating at the edge of what’s possible? On offer is the opportunity to join a...

Senior System Engineer (AI/ML) | Permanent position - Location: Central London - Onsite: 5 days a week (South Kensington / Waterloo) - Salary: Up to £82,500 + Excellent Benefits - Available position: 2 positions Our client, an IT consulting and services provider, is seeking an experienced AI/ML Platform Engineer to support a transformative project within the UK education sector. You'll play a...

Senior Software Engineer (Robotics) 🤖 London (On-site, 5 days/week) Permanent role with excellent on-site benefits We’re looking for a Senior Software Engineer to help turn our advanced robotics stack into a dependable, real-world product. This is a hands-on role where you’ll write production code, integrate subsystems, and work directly with robots in both simulation and hardware environments...

Project Manager – Building Management Systems (BMS) Slough £65,000 - £75,000 Basic + Bonus + Car + Training + Technical Progression + Pension + Healthcare About the Role We are seeking an experienced Project Manager with a strong background in Building Management Systems (BMS) to lead the delivery of projects across commercial and industrial environments. This role is responsible for managing...

Lead Software Engineer Stealth AI Fintech Startup | London | Hybrid (3 days on-site) We’re hiring on behalf of an innovative Fintech startup that is building an AI-driven platform that’s rethinking how investors analyse, access, and manage alternative assets (e.g. private equity, private credit and other private markets). They've built there MVP, raised funding from experienced fintech...

You will have a dedicated mentor with expertise in software development to coach you into becoming the best engineer you can be. - There is a culture of hands-off management - you will be given trust and autonomy from the offset with no micromanagement.

You will stand out if you understand hardware and have experience programming microcontrollers

Job Description Job Title: SC Cleared Software Engineer Location: Farnborough, Malvern or Portsmouth Duration: 6 months with possible extension Rate: Up to £745.00 via an approved umbrella company Must be willing and eligible to go through the SC Clearance process Our client, a leading organisation supporting maritime test and evaluation facilities, is hiring for a talented Software Engineer to...

You will be involved in: - Developing software for cyber security systems; - Developing novel signal, image, or data processing applications; - Developing solutions in C/C++, HTML, Typescript/Javascript, Python, and Rust; - Providing support and training to our customers in using the software.