Senior Software Test Engineer jobs in Southampton

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...

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...

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 dynamic software...

You will collaborate with multidisciplinary teams to bring innovative electromechanical products to life and support existing ranges with upgrades and new feature

You will be able to demonstrate extensive experience in control systems, safety-critical systems (EN61508/SIL2 or equivalent), and programming in P

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...

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 required by a high-tech company located in Fareham. Due to continued success they are looking to grow their software team developing products for Android platforms. The successful Senior Software Engineer is likely to have a degree in Computer Science or similar subject and commercial experience developing Android applications using .NET MAUI. Key...

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.

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:

At the heart of Paxton, we are innovators, we look for ways of harnessing new technology to provide better solutions for our customers. We're a global brand with nearly 40 years of experience, our team of over 400 employees is spread around the world. We pride ourselves on creating a vibrant environment, with a focus on excellent company culture. xujxxms Our teams make Paxton a great place to...

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.

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 with React and...

Senior Electronics Test Engineer | High-Performance Robotics & Sensor Systems | Southampton I’m representing a fast-growing technology scale-up based in Southampton that is developing a new generation of advanced robotic technology used in demanding real-world environments. Their systems combine intelligent sensing, cutting-edge electronics and sophisticated software to deliver capabilities...

Job Description Senior Electronics Test Engineer | High-Performance Robotics & Sensor Systems | Southampton I’m representing a fast-growing technology scale-up based in Southampton that is developing a new generation of advanced robotic technology used in demanding real-world environments. Their systems combine intelligent sensing, cutting-edge electronics and sophisticated software to deliver...

About the Role: We are looking for a skilled Electrical Test Engineer to support the development and validation of advanced maritime technologies. This role involves designing and executing test strategies for complex electrical systems, ensuring compliance with safety standards and delivering reliable, high-performance solutions. If you have a passion for innovation and thrive in a...

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...

Job Description Transducer Test Engineer Underwater Acoustics We are seeking a detail-oriented and motivated Transducer Test Engineer to join an Electromechanical Design team working on advanced underwater acoustic technologies. This is a hands-on, versatile role supporting both existing products and calibration equipment used across UK and international operations. This position offers an...

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 Validation...

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...