Senior Software Test Engineer jobs in Cardiff

QA Engineer (First SDET Hire) | Social Impact Tech – Remote UK | £45K–£80K Are you scrolling through roles that all feel the same? Would you like to use your engineering skills to genuinely improve the lives of some of the most vulnerable people in the UK? We’re working with a mission-led technology company that uses data and technology to help households access the financial support they’re...

Senior Front-End Developer Location: Edinburgh (Remote-first, with occasional office visits) Salary: £50,000 – £60,000 per year + competitive benefits About the Role We're looking for a Senior Front-End Developer to join our engineering team and help build an advanced resource planning tool. You'll focus on creating scalable, high-performing, and user-friendly interfaces that deliver an...

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.

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.

You should be comfortable with most of our core technologies:

Job Description 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...

You will work across the stack, building robust back-end systems in TypeScript, Node. js, and PHP, and delivering high-quality front-end experiences using modern JavaScript frameworks. The role requires expertise in database design, DevOps, cryptographic data handling, and AWS cloud technologies.

Job Description Software Development Engineer III Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success. Why Join Us? To shape the future of travel, people must come...

You will design and deploy robust frontend client, backend services, infrastructure automation, and cloud-native solutions by utilising your software development knowledge and your DevOps proficiency across AWS and GCP.

Job Description About the Job This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem, and a preference for candidates with significant experience on AWS. Are you ready for a challenge? We’re looking for a...

You will be working closely with the Machine Learning team; however, you are not required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will:

Software Engineer Document Management & Workflow Systems 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 & Workflow systems . The role focuses on platforms covering the full document lifecycle (generation,...

Job Description Senior Full Stack Engineer Remote (UK) | Full time London office available for optional in person collaboration We’re looking for an experienced Senior Full Stack Engineer to join a small, highly skilled team building a next generation Financial Services Regulatory Compliance platform. This is a hands on role where you’ll work across the stack, leading frontend development...

Job Description Electronics Engineer (Design/ Test)£43,000 - £58,000 + Autonomy/ Leading Teams + Career Progression With No Ceiling + Further Technical Training + 32 Days Holiday + Up to 10% Pension & Benefits Package +Commutable from Cardiff, Newport, Caerphilly, Nantgarw, Penarth, Pontyclun, BedwasAre you an Electrical/ Electronic Engineer, Electrical/ Electronic Design Engineer, Electrical/...

Job Description 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,...

Job Description A fantastic opportunity has arisen for an Integration & Test Engineer (Lab-Based) to join a specialist engineering department supporting complex system integration and proving activities within a secure, laboratory-based environment. This role performs hands-on integration, test and proving duties and reports into a senior engineer within the wider Integration and Systems...

Socode are supporting a company that designs and builds specialist electronic sensing and surveillance systems, used in defence, security, and critical infrastructure environments. Their work sits at the intersection of hardware, software, and real-world deployment, with systems designed to operate reliably in demanding conditions. They’re looking to hire a Graduate Test Engineer to support the...

About Pronetx Pronetx is a cutting-edge consulting firm that specializes in transformative customer experience (CX) solutions powered by AWS. With decades of experience deploying sophisticated CX solutions for industry leaders like Capital One, Social Security Administration, and Hilton, we're known for pushing the boundaries of what's possible in customer experience technology. Job...

Job Description A Test Engineer is sought with excellent diagnostic skills down to component level and with practical skills in building and fixing electronic and/or electromechanical equipment. You’ll get involved with the testing and assembly of a range of electronic radar systems and sub-assemblies. Requirements for the Test Technician include: - HNC or higher in Electronic / Electrical...

Senior Backend Engineer | Fully Remote UK | £70,000-£75,000 | Python | Django | AWS Location: Fully Remote - Candidates MUST be UK based Salary: £70,000-£75,000 + benefits Tech Stack: - Backend: Python (Django) - Frontend: React - Cloud Systems: AWS, Docker Are you a Senior Backend Engineer who enjoys taking ownership of real production systems and shaping how a platform evolves as it...