lead react developer jobs in Cardiff

You must speak, write and be able to understand fluent English. - Deep knowledge and regular usage of Firebase suite, especially Firestore. - Strong proficiency in TypeScript and modern JavaScript (ES6+).

You must enjoy constantly learning and researching to improve your level of expertise.

Senior Full Stack Engineer | Up to £110K | One of the UK's fastest growing AI platforms | UK Remote | React/Node/TypeScript I am currently working with one of the fastest-scaling platforms in the creator economy which is a creator-first, AI-powered product that enables creators around the world to directly monetise their audiences. Every system you build will operate at serious global scale. 🎯...

Job Description: Do you have the right skills and experience for this role Read on to find out, and make your application. Lead Software Developer (Node.js/TypeScript) Role: Lead Software Developer (Consultancy) Rate: £550 per day (Inside IR35) Duration: 6 Months Location: Hybrid / Remote (UK Based) The Opportunity We are looking for a high caliber Lead Software Developer to join a critical...

🚀 Senior Full-Stack Engineer – TypeScript / React / AWS 💰 Up to £80k | Fully Remote (UK) 💻 Tech Stack: TypeScript, Node.js, React.js, AWS ✅ Slight backend lean We’re on the hunt for a hands-on Senior Engineer to join a fast-moving team delivering real, production grade systems. This isn’t R&D or proof-of-concept work, they’re shipping cloud-native, AI-enabled products that customers actually...

About us Founded in 2008, CitNOW is an innovative, enterprise-level software product suite that allows automotive dealerships globally to sell more vehicles and parts more profitably. CitNOW’s app-based platform provides a secure, brand-compliant solution – for dealers to build trust, transparency and long-lasting relationships. CitNOW Group was formed in 2021 to unite a portfolio of 12 global...

You will help us test several ideas/hypotheses by: - Launching initial outreach to relevant brands/agencies from your own network - Running intro / discovery calls with interested decision-makers - Collecting honest feedback and market signals - Structuring insights into clear, actionable recommendations

You will help deliver digital products from idea to implementation. Day to day you will build new features, review code, take part in technical discussions and support the smooth running of our services. There will also be occasional first and second line support, along with opportunities to guide and mentor junior team members.

A leading recruitment agency is seeking a Frontend Developer skilled in React and TypeScript to join a Cardiff-based fintech team. The role offers a hybrid work setup with three days in the office and two days from home. Responsibilities include developing scalable front-end components, collaborating with product and design teams, and contributing to a forward-thinking team exploring AI-assisted...

About The RoleJob Level: 10 UK WideWe are looking for aLead Software Engineerwho will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and driving continuous improvement in software development processes.

You will be working in a fast-paced environment to develop new website themes and add new features in a complex Next. js-based codebase (including a CMS). This is a great opportunity for the right person to take on a challenging and broad role. Homeflow is operating on a fully remote basis but occasional travel will be required for our company meet ups (bi-annually at most in the UK).

Market Design Lead – Switching & Registration Who Are RECCo? We are an independent, non-profit organisation responsible for the Retail Energy Code — a key part of how the GB retail energy market is regulated. But we don’t just manage rules. We look ahead, not just react, helping the market change in the right way. We deliver secure digital services, clear governance, and practical solutions...

On a mission to help people who have been diagnosed with chronic kidney disease, this start-up are looking to bring on a Senior TypeScript Developer, who’s fully embraced AI-assisted development. Their mission is to make life better for people suffering from kidney disease by building one of the first algorithm-based behavioural change programmes. The application that does this brings together...

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...

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...

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

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,...

About Aero A digital experience company, we sit at the intersection of insights, creativity and technology, crafting digital experiences that transform business performance. We’re a small, fully remote team with big ambitions. We work hands-on with our clients, giving our teams genuine ownership of their work. Every project you touch will be seen by thousands of people and will directly...

Business Development Manager – Logistics / Transport / Freight Forwarding £40,000 Basic + BMW Company Car + Quarterly Bonus (8% of Annual Salary) Have you got what it takes to succeed The following information should be read carefully by all candidates. Field-Based – UK & Europe *You can be based anywhere in the UK to be considered for this role* Interaction Recruitment are proud to be...

Power Apps Developer – 3 Month Contract – Fully Remote – Inside IR35 Please read the following job description thoroughly to ensure you are the right fit for this role before applying. VIQU have partnered with a leading NHS organisation to recruit for a Power Apps Developer for a short-term contract. The Role The successful candidate will focus on troubleshooting and resolving issues with...

Business Development Manager Are you ready to apply Make sure you understand all the responsibilities and tasks associated with this role before proceeding.Up to £40,000 + CommissionRemote (South Wales)Were looking for an ambitious and driven Business Development Manager to spearhead growth for a leading telecoms and IT solutions provider. If youre a natural networker, thrive in a fast-paced...