Senior Software Test Engineer jobs in Warrington

Senior Software Engineer in Test Enterprise SaaS Platform | Manchester | Hybrid (2 days onsite) Salary: up to £70,000 + 10% bonus The Opportunity This is a chance to join a high-growth, enterprise SaaS organisation building complex, high-throughput platforms used at scale across the UK and Europe. Quality Engineering is treated as a core engineering discipline, not a support function. As the...

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.

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 should be comfortable with most of our core technologies:

You must be happy attending 3 days per week • Visa sponsorship is not available for this role If you're a Senior Software Developer considering a move, or open to a confidential discussion, please get in touch with your CV and availability for a short call.

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:

Senior/Lead Software Engineer – Fully Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior / Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands-on individual contributor role with strong ownership — ideal for engineers who enjoy building high-quality...

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 central to supporting and evolving two key pathology software systems—one in C#, the other in PHP—while also contributing to the planned consolidation into a modernised .

You will play a leading role in shaping scalable, secure cloud-based architecture while ensuring continuity of the existing systems.

You will work closely with hardware, systems, verification, and regulatory teams, playing a central role in delivering products for hospitals, critical care wards, and frontline clinical environments. This is a key role within a growing medical device organisation, where your decisions will directly influence both product performance and patient outcomes.

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...

About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‐first, often highly complex software. Our engineers pair forward‐thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‐standing third‐party clients, we're scaling our own SaaS product—Spark...

Looking to Escape the Hustle and Bustle of City Life? Imagine building high-impact digital platforms – from a beautiful rural location, with a relocation bonus to help make it happen. If you're an experienced Technical Architect or Software Architect ready for a fresh start in a quieter part of the UK, this could be your perfect move. Our client is offering a full-time, permanent position,...

About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through the increasingly...

You will have knowledge of software development and some exposure to mentoring junior Engineers would be a benefit.

You will be happy solving technical problems for customers even if this means working with new technologies. They have a vast array of already built products so candidates will have a lot of working product source code to help get started.

You will also engage with the open-source community through GitHub issues and pull requests, helping guide usage and improve the quality of the SDKs based on real-world feedback. This role offers the chance to deepen your Go skills, work with modern tooling, and contribute to SDKs that developers rely on in production.

Job Title: Full-Stack Developer (Asset & Carbon Monitoring Software) Salary: £55,000–£80,000 (depending on experience) Location: Fully remote (UK) You know that decarbonisation isn't a slogan - it's a systems problem. If the data's wrong, if the assets aren't understood, if the platform can't scale, then carbon reduction becomes guesswork. This role is for a Full-Stack Developer who wants...

You will be working with a high-calibre team of young, talented professionals who share a like-minded mindset, delivering top-tier implementation and technical services to clients.

Key Responsibilities - Design, implement, and maintain software for nuclear systems, ensuring compliance with safety and regulatory standards. - Develop software for reactor control, monitoring systems, data acquisition, simulation, and predictive analytics. - Collaborate with multidisciplinary teams including nuclear engineers, electrical engineers, and safety specialists. - Apply best...

You will design and build APIs that enable products, partners and AI services to work together, including: Building RESTful APIs using C# .

You will likely bring: Strong experience building backend services in C# .