Senior Software Tester jobs in Cardiff

Software Tester | Manual Testing | 6 Month Contract | Up to £500 per day (Inside IR35) | SC & NPPV3 Clearance Required | Remote MERITUS are excited to be partnered with a growing Technical Consultancy that requires an experienced Manual Test Engineer to support one of their public sector clients on a 6 month contract basis. This role would suit someone who enjoys hands-on testing, takes pride...

NMS Recruit are seeking an Senior Consultant with a strong background in the construction industry with solid financial/commercial experience. The role would be suitable for quantity surveyors or finance/accounting professionals within the construction industry who are looking to step into a new challenge working with a growing and personable financial software business. Job Purpose To help UK...

Senior Golang Engineer - we are partnered with a stealth start-up company based out of London that are utilising AI to build the next generation of software. Golang Engineers will be highly skilled coding with Go and potentially have a background with other backend related languages too such as NodeJS or Python. Required: - 3+ years of relevant work experience working with Golang. - 5+ years of...

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...

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 work directly with bid professionals, procurement teams, and senior stakeholders, positioning TenderEyes as a strategic solution rather than a transactional product. Key Responsibilities •Own the full sales cycle: prospecting, discovery, demo, proposal, and close •Qualify inbound and outbound leads and manage opportunities through to contract signature

🚀 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...

Software Engineer Document Management & Workflow Systems (Contract) Details - Initial 6-month contract with extension - Fully remote (EU time zones) - Start: End of February / early March - Outside IR35 We are looking for an experienced Software Engineer contractor to support a regulated banking client on their Document Management & Workflow platforms . This role is heavily focused on the...

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 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:

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:

Principal Grafana Network Analytics Engineer Edinburgh, UK | Fully Remote (UK-based) Engineering | Cyber Security £95,000 & Benefits Ever wanted your dashboards to actually defend the internet? This role does exactly that. I’m recruiting on behalf of a high-growth cyber security technology company that protects some of the world’s most critical online services from large-scale DDoS and...

You will be responsible for generating new business while managing and expanding existing client relationships. The role suits a confident, customer-focused sales professional with experience selling complex B2B software solutions. Key Responsibilities: - Drive new business opportunities and achieve sales targets across software and associated services

You will be a proven senior who still loves to code, enjoys taking ownership of front-end decisions, and wants to play a key role in shaping both our technology and the people around you. This is a chance to make a real impact across multiple products and help influence our engineering direction as we continue to grow.

Andela exists to connect brilliance and opportunity. Since 2014, we have been dedicated to breaking down global barriers and accelerating the future of work for both technologists and organizations around the world. For technologists, Andela offers competitive long-term career opportunities with leading organizations, access to a global community of professionals, and educational opportunities...

This is a chance to be the first Account manager in a respected specialist software services business. My client works with leading names in silicon and AI; delivering managed services in compiler toolchains, embedded systems and optimisation. Account Manager Responsibilities: - Primarily grow and develop existing accounts. - Build long-term trust in a market – forging strong relationships with...

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...

You will be responsible for managing the full sales lifecycle—from prospecting and discovery through to proposal, negotiation, and close—while working closely with product, delivery, and marketing teams. Key Responsibilities - Identify, qualify, and pursue new business opportunities aligned with Unilink’s software portfolio

.NET Developer | 6 Month Contract | Up to £600 per day (Inside IR35) | SC & NPPV3 Clearances Required | Remote MERITUS are excited to be partnered with a growing Technical Consultancy delivering secure, business-critical systems and are looking for an experienced .NET Software Engineer to work with one of their secure public sector clients. This role is well suited to a .NET developer who...