online software testing jobs in County of Cardiff

Salesforce Test Analyst Note: Active SC Clearance Required Role overview: We are seeking a highly skilled and experienced Quality Assurance Consultant to join our team on a permanent basis. The successful candidate will be primarily responsible for ensuring the quality of Salesforce Service Cloud solutions throughout the development lifecycle. This role demands a strong background in software...

You will collaborate closely with cross-functional teams, including product management and UX/UI, to ensure that our software solutions meet business and customer needs.

You will be responsible for driving culture through your craft and be keen to take on line management responsibilities.

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...

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 be the human intelligence guiding the AI tools, ensuring that our platform is robust, bug-free, and user-friendly.

You should be comfortable recording tests (Codegen), reading the resulting TypeScript/JavaScript, and using AI to tweak it.

You will manually test new features with a critical eye, looking for UX quirks, logic gaps, and edge cases that scripts can't catch.

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...

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...

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 Role Deadline for applications: 11:59pm on 31st October 2025 Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. Please read the following job description thoroughly to ensure you are the right fit for this role before applying. We use technology to create impactful, human-centred...

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...

You should be comfortable with most of our core technologies:

At Orange Logic, we’ve been solving complex content challenges for over two decades—driven by innovation, curiosity, and a passion for impact, our intelligent Digital Asset Management (DAM) system, Orange Logic Platform, empowers organizations across industries to manage, access, and leverage their digital assets more effectively. We’re not just building powerful software—we’re building a team of...

🚀 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...

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# .

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:

Join OCI’s Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You’ll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI’s global edge. This role requires deep expertise in Linux networking data path and...

Role: Quality Test Engineer (Manual & Automation) Rate: £440 per day IR35: Inside Working Practice: Remote Length: 6 Months This role offers a unique opportunity to leverage your experience in automation using Postman and other tools, while also playing a vital part in our manual testing requirements. We are particularly interested in candidates with experience migrating Cucumber (Ruby)...

Payments Business Test Analyst - Contract Opportunity Cardiff Based - Hybrid Working Job Description: A large financial organisation is seeking a diligent Business Test Analyst to support the development of business test strategies and test plans. This role involves collaborating with various stakeholders to ensure the delivery of high-quality testing outcomes that align with business...

Job Post: Electrical Services Partner Location: Bristol, Bath, South Wales, Gloucester, Swindon Employment Type: Sub-Contracting, Price Per Point, Partner scheme About Us: At MJP Electrical, our vision is to revolutionise our industry by providing world class client satisfaction whilst creating the best possible working environment for our team. Position Overview: Due to increased demand...

You will work on different client sites in a range of industries that include; well-known global grands, government, finance, insurance, aerospace and media/digital.

You will gain exposure to a variety of tools and technologies that will allow you to continuously develop as a subject matter expert in quality engineering.