battery test tech jobs in County of Cardiff

You will be a great fit if you: - Have 5+ years full-stack experience, with strong JavaScript/TypeScript depth. - Are backend-leaning, with deep Node. js and API experience. - Have previously worked in early-stage start-ups or very lean engineering teams. - Have extensive evidence of being a hands-on individual contributor in complex codebases.

You will work on UI applications in a microservices-based environment, contributing to the software development lifecycle, including coding, testing, and deployment. The role offers a hybrid work environment, competitive salary, and growth opportunities. Ideal candidates will have 3+ years of experience in frontend development, familiarity with Vue.

You will become part of a squad with people from different areas within the business who will help you grow at BJSS We have a busy social calendar that you can choose to join– quarterly town halls/squad nights out/weekends away with families included/office get togethers GymFlex gym membership programme

Senior Performance Engineer - UK Ready to Make a Real Impact? Join e-STORAGE! Who We Are Welcome to e-STORAGE, a proud member of the Canadian Solar Inc. (NASDAQ: CSIQ) family! We’re leading the way in designing, building, and integrating advanced battery energy storage systems for utility-scale projects. Our mission? To accelerate the world’s renewable energy transition and create a more...

With the UK government's ambitious goal of delivering 60GW of solar power by 2030, Solar Careers UK are on a mission to help recruit, train, and place over 43,000 new professionals into rewarding careers within the solar and battery storage industry. Solar Careers UK is a division of Solar Energy UK, the trade association representing over 425 solar businesses across the country. Many of these...

Job Title: Lead Electrical Engineer Location: Remote Sector: Energy / Renewable Power Type: Permanent Company Overview Our client is a leading developer of advanced energy infrastructure projects, delivering large-scale grid connections, battery energy storage systems (BESS), and charging hubs across the UK. They are driving the transition to a smarter, cleaner energy future through...

An Amazing Career Opportunity for a Field Application Engineer!! Location: Krakow, Poland/ Cardiff, UK Job ID: 44600 Who are we? HID powers the trusted identities of the world’s people, places, and things, allowing people to transact safely, work productively and travel freely. We are a high-tech software company headquartered in Austin, TX, with over 4,500 worldwide employees. Check us out...

Job Description Job Title: Quantity Surveyor Company: Sacyr UK and Ireland Location: New Velindre Cancer Centre, Cardiff, Wales As a Quantity Surveyor, you’ll play a pivotal role in our mission to create a state-of-the-art cancer center. Join our dynamic team and make a difference! The Quantity Surveyor will support project leaders in generating a high standard of service delivery, achieving...

UX Designer Cardiff £40K £45K DOE Page 1 Recruitment is delighted to be partnering with a fast-growing, specialist comparison platform based in Cardiff. As the business continues to invest in its digital experience, our client is looking to appoint a UX Designer to strengthen their user-centred design capability and help shape intuitive, high-performing customer journeys. This is a business...

Job Description Job description: About SystemsX At SystemsX, we’re a fast-growing technology company specialising in AI-driven solutions for customer-centric businesses such as call centres and service organisations. Our mission is to use innovative technology to improve operations, customer experience, and business growth. As we expand rapidly, we offer our team the opportunity to grow with...

You will work across a variety of complex analytical problems, owning experimentation end-to-end—even when ideal conditions such as user randomisation or high statistical power are not present.

📍 Remote | Full-Time 👋 About Us Medify is a mission-driven EdTech company widening access to medicine and healthcare careers. Our platform supports thousands of learners preparing for high-stakes admissions exams, and our engineering team plays a critical role in delivering reliable, scalable, and high-quality learning experiences. Medify Engineering is a team of ten engineers across two...

🚀 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 work on modernizing authentication and login experiences across multiple consumer applications, helping drive growth through high-quality user experience, experimentation, and data-driven decision making. This is a collaborative role, working closely with engineers, product managers, and cross-functional partners in a fast-paced environment.

About Us We are a fast-growing fintech company building modern, scalable platforms that power real-world financial products. Our engineering culture values clean architecture, strong ownership, and pragmatic innovation. We operate in a cloud-native, microservices environment and invest heavily in frontend quality, design systems, and developer experience. The Role As a Lead Fullstack Engineer,...

You should also expect to work across the full stack and every stage of the product lifecycle, from system design through to build, test, deployment and supporting systems in production, so you should be skilled in practices like TDD, CI/CD, IaC and Observability.

You will be working on a platform that automates complex data workflows used in mission critical environments. With major global partners, recent investment, and expansion across the UK, Europe, and the US, this is a chance to take ownership of quality engineering in a product that genuinely matters.

Job description: About SystemsX At SystemsX, we’re a fast-growing technology company specialising in AI-driven solutions for customer-centric businesses such as call centres and service organisations. Our mission is to use innovative technology to improve operations, customer experience, and business growth. As we expand rapidly, we offer our team the opportunity to grow with us, take real...

🚀 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...

Job Title: Quantity Surveyor Company: Sacyr UK and Ireland Location: New Velindre Cancer Centre, Cardiff, Wales As a Quantity Surveyor, you’ll play a pivotal role in our mission to create a state-of-the-art cancer center. Join our dynamic team and make a difference! The Quantity Surveyor will support project leaders in generating a high standard of service delivery, achieving successful...