Senior Software QA Engineer jobs in Warrington

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 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 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.

You should be comfortable with most of our core technologies:

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 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 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.

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...

I'm partnered with an early-stage, post-revenue AI startup is building an end-to-end operating system to help businesses detect and resolve complex B2B issues before they become costly or disruptive. The product is already being used by large enterprises across multiple industries, and demand is growing fast - hence this hire! Backed by a top-tier European venture fund, the company is tackling a...

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...

Software Engineer – £65,000–£85,000 + Equity – Remote (UK) - London office if preferred The Opportunity Join a fast-growing, AI-native software company building workflow automation tools used daily by thousands of professionals across people-heavy industries. The platform removes manual, repetitive work through AI, automation and thoughtful product design, helping teams move faster and focus...

Principal Software Developer – Manchester (central) 3 days a week in office with flexible start/finish – strong benefits – up to £90,000 (flexible for the right person) I'm working with a high‐growth tech business looking for a Principal Software Developer to take a leading, hands‐on role across their platform. You'll design and deliver complex features, shape architectural decisions, and drive...

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...

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...

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping...

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 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.

Lead Software Developer (.NET) Chester (Hybrid ) £65,000–£70,000 Ready to step up and lead a strong .NET team through a real tech transformation? We're looking for a Lead Software Developer to guide a capable team of mid-to-senior devs working on a mission-critical booking and reservations platform used across multiple brands. It's the backbone of the business — and it's evolving fast. With...