senior javascript engineer jobs in Wales

Senior Full-Stack Engineer - Go/JavaScript Salary: £80,000 - £90,000 Location: Fully-remote Tech: Go, JavaScript, .NET About the role: We’re working with a leading organisation in the legal sector, renowned for their award-winning approach to technology-driven innovation, in support of their efforts to strengthen their growing SaaS team. They are looking for a senior software engineer with...

We’re building the next generation of merchant-first digital solutions and we’re looking for a Senior Software Engineer to help shape it. You’ll join a small, empowered team that values innovation, collaboration, and real-world impact. What You’ll Do - Design and develop backend, service, and portal systems for our payment platform. - Use modern practices such as BDD and CI/CD to deliver...

Senior Software Engineer .Net 📍 Location: UK remote | We are working with a high-growth global fintech, renowned for delivering world-class payments-related software and technology. This company is building the next generation of capabilities that power a merchant-first ecosystem. They believe that focused, empowered teams can achieve great things. You’ll be joining a curious, driven, and...

Senior Full Stack Engineer (Blazor & MS Stack) Location: Remote-First (we have an office in Old St, London, that you’re welcome to come to as much or little as you like). We also have company bi-annual meets (previously had company off-sites in Paris + The Cotswolds) About Claimit We are a rapidly growing, seed-stage AI Tech startup revolutionising claims management with intelligent...

Great opportunity for Senior Full Stack Engineers to work remotely for a UK based deeptech start-up operating in the AI and cloud infrastructure space. The business is backed by a VC giant and is in the early stages of its growth. As a Senior Full Stack Engineer, you’ll become part of the founding team and would be responsible for helping them scale the company by playing a key role in shaping...

Principal / Senior-Staff Engineer I’m supporting a global tech company that’s going through an exciting transformation and is looking for a high-impact Principal / Senior-Staff Engineer. This is a hands-on individual contributor role with significant influence across teams and leadership, directly reporting into the CTO. The role is ideal for someone who thrives at the intersection of deep...

Senior Ruby on Rails Engineer Location: Hybrid or Remote We’re partnered with clients that are looking to bring in Senior Ruby on Rails Developers. What we’re looking for - 5+ years of experience with Ruby on Rails. - Strong knowledge of RESTful APIs and service-oriented architecture. - Cloud experience with AWS or GCP is an advantage. - Familiarity with front-end technologies (JavaScript,...

Senior Security Engineer, Cloud Salary: up to £110,000 + bonus + benefits Location: UK – 100% Remote This company is undergoing a major cloud transformation and is looking for a Senior Security Engineer with a specialism within Cloud to help shape and secure its modern cloud infrastructure. You’ll work across engineering teams to design scalable, secure cloud infrastructure and embed best...

You will translate big ideas into shippable, high quality products by collaborating closely with engineers and designers to solve complex challenges.

You will bring over 7 years of software engineering experience with deep expertise in JavaScript, TypeScript, and React.

You will benefit from team retreats and a professional growth budget to support your development.

Title: Forward Deployed Engineer – AI & Customer-Facing Technical Leader Location: Remote Travel: Customer visits 4–5 days/month; occasional team gatherings Salary: Senior: €130–150k base + growth trajectory Principal: €160–200k base + package discussion Tech: Python, JavaScript, Azure, AWS, AI, LLM's, RAG Industry: AI Consultancy The Role We’re looking for talented engineers to join our...

You will undertake analysis and provide outputs to the Principal Engineers where they can provide assistance to develop designs further. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria

Senior Full-Stack JavaScript Engineer Salary range: £80-£115k Location: Fully remote (potential x2 days per week in Liverpool Street office from summer 2025) Tech stack: React, TypeScript, Node.js, MongoDB, Azure, IBM Cloud (+ Go for payments) Positions available: x3 We're working with a scaling Fintech company building the platform that automates the entire accounts payable process and also...

Join our client at the forefront of AI innovation. They’re shaping the digital foundations that will define how humans and AI learn from each other — pioneering technology that is set to transform the way intelligent systems evolve. The Role We’re seeking Senior Software Engineers with a product builder mindset to help shape and scale a cutting-edge platform. You’ll work across a modern tech...

Job Description £50,000 - £60,000 + Training + Progression + Hybrid Working + Excellent Benefits An exciting opportunity for a Senior Electronics Engineer to join a world-leading business where you'll play a lead role in developing advanced systems for global clients. Are you an electronics engineer with optics experience? Would you like to play a key role for a world leading company? This...

Benefits - 39 days holiday - 9% pension contribution - Stock Options This is your chance to perform the job you love and make a difference in society whilst doing it! Help this one-of-a-kind Social Good platform change the world by developing this one-of-a-kind eCommerce solution. The Company - $120m VC-backed Scale-Up - One of the fastest-growing companies in the world - 'Fast Company' Most...

Senior Full-Stack JavaScript Engineer Salary range: £80-£115k Location: Fully remote (potential x2 days per week in Liverpool Street office from summer 2025) Tech stack: React, TypeScript, Node.js, MongoDB, Azure, IBM Cloud (+ Go for payments) Positions available: x3 We're working with a scaling Fintech company building the platform that automates the entire accounts payable process and also...

Great opportunity for Senior Full Stack Engineers to work remotely for a UK based deeptech start-up operating in the AI and cloud infrastructure space. The business is backed by a VC giant and is in the early stages of its growth. As a Senior Full Stack Engineer, you’ll become part of the founding team and would be responsible for helping them scale the company by playing a key role in shaping...

Senior Ruby on Rails Engineer Location: Hybrid or Remote We’re partnered with clients that are looking to bring in Senior Ruby on Rails Developers. What we’re looking for - 5+ years of experience with Ruby on Rails. - Strong knowledge of RESTful APIs and service-oriented architecture. - Cloud experience with AWS or GCP is an advantage. - Familiarity with front-end technologies (JavaScript,...

Up to £90,000 Remote, UK & Ireland No Sponsorship Opportunities We’re hiring for our client, a fast-growing global payment processing platform that’s scaling rapidly after a major acquisition. They’re on the lookout for talented .NET Software Engineers to join their journey of building the next generation of API-driven, merchant-first technology. Why join them? They believe empowered teams...

Senior Full-Stack Engineer - Go/JavaScript Salary: £80,000 - £90,000 Location: Fully-remote Tech: Go, JavaScript, .NET About the role: We’re working with a leading organisation in the legal sector, renowned for their award-winning approach to technology-driven innovation, in support of their efforts to strengthen their growing SaaS team. They are looking for a senior software engineer with...