lead react developer jobs in Wales

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.

We are currently recruiting full stack developers to join a trading technology team at a leading investment firm. This team is responsible for building a new front-office trading platform used directly by traders and quants. These roles are best suited for candidates with experience in full stack development using React and Python and particularly those who have built trading platforms from the...

You will be responsible for building high-quality user interfaces, leading frontend architectural decisions, and helping guide our junior developers as they grow. This role is perfect for someone passionate about performance, user experience, and modern web technologies. Key Responsibilities

You will be contributing to client projects delivered in an agency environment, as well as occasional work on our in-house product.

You should be comfortable discussing requirements, demonstrating progress and raising risks early.

You will work across our monolithic Strapi codebase and React applications.

You will have an open approach to software development, as the software you develop can be used across multiple products and projects - Exposure to real-time software development and simulation standards (DIS and HLA) would be advantageous, however it is not crucial Our company: Peace is not a given, Freedom is not a given, Sovereignty is not a given

A leading digital solutions provider in Cardiff is seeking a Senior Frontend Developer to join their team. In this collaborative role, you will primarily focus on developing responsive web interfaces using React. The ideal candidate will have over 4 years of professional experience and a strong understanding of HTML5 and CSS3. Delio offers a competitive salary, hybrid working model, and numerous...

THE OPPORTUNITY Inspiring Teachers is an evidence-driven nonprofit working to expand access to quality education. We are building tools for managing large-scale foundational learning programs in Sub-Saharan Africa. Our approach enhances structured pedagogy with technology to enable data-driven teacher support that improves learning outcomes. Today we have programs in Ghana, Uganda and Malawi,...

If you're a world-class WordPress developer with PHP and REACT experience looking to make an impact, then you're probably who we're looking for. If you get excited working on innovative solutions to modern WordPress problems, this could be the perfect job for you. Ideally, you'll know PHP like the back of your hand, be proficient in Javascript and REACT . You'll be equally as content hooking up...

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.

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.

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 will be both the hands-on technical lead and the architect of our future technology direction, guiding our software team while setting the foundations for a scalable product and engineering organisation. Working closely with our valuation specialists and product team, you will design solutions that fundamentally transform how valuation advisory services are delivered.

You will work within an agile development approach, with the opportunity to contribute ideas around product design, structure, technology, usability and interface improvements.

You will be comfortable with JavaScript, React, HTML/CSS frameworks, SQL and Git, with strong attention to detail, good security practices and clear communication skills.

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...

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.

Job Description Join the Land Ceptor team and work to support the British Army in realising the full potential of its latest Ground Based Air Defence capability and tailoring this capability for the needs of existing and emerging export customers. You'll be building on world-class design: incorporating new ideas, functionality and technology to deliver to our customers. Salary: Circa £ 50,000...

You will be both the hands-on technical lead and the architect of our future technology direction, guiding our software team while setting the foundations for a scalable product and engineering organisation. Working closely with our valuation specialists and product team, you will design solutions that fundamentally transform how valuation advisory services are delivered.

You will be responsible for building high-quality user interfaces, leading frontend architectural decisions, and helping guide our junior developers as they grow. This role is perfect for someone passionate about performance, user experience, and modern web technologies. Key Responsibilities Frontend Development: Build and maintain responsive, high-performance web interfaces using React, Next.

We are currently recruiting full stack developers to join a trading technology team at a leading investment firm. This team is responsible for building a new front-office trading platform used directly by traders and quants. These roles are best suited for candidates with experience in full stack development using React and Python and particularly those who have built trading platforms from the...

You will be responsible for building high-quality user interfaces, leading frontend architectural decisions, and helping guide our junior developers as they grow. This role is perfect for someone passionate about performance, user experience, and modern web technologies. Key Responsibilities