senior react developer

A leading technology and advisory firm in the UK is seeking a Senior Fullstack Developer. You will work hands-on across the React frontend and Java backend to deliver high-quality projects focusing on performance and security. Key responsibilities include developing full-stack features, collaborating with cross-functional teams, and making architecture...

Neo4j is seeking a software engineer with deep front-end expertise to join the Graph Engine team and work on Virtual Graph. The role centers on React for UI, with opportunities to contribute across backend systems, cloud, and connectivity.You will influence UI technical direction, collaborate with experienced engineers, and help build a product that queries...

JPMorgan Chase & Co. in the United Kingdom seeks a Lead Software Engineer to drive backend services, microservices, and modern UI experiences. You will own design, development, and delivery across the full stack, with a focus on secure, scalable solutions and observability at scale.You will lead architecture discussions, mentor engineers, and advance...

Civica in the United Kingdom is seeking a Senior Software Engineer to design, develop, and implement scalable software solutions. You will collaborate with cross-functional teams to deliver high-quality products that meet user needs and business objectives.The role emphasizes Go, React, C#, .NET and Angular, with strong TDD, DevOps, and cloud experience...

A leading broadcasting corporation is seeking a Senior Software Engineer to lead the development of new iPages features and editor tools. The role requires significant expertise in frontend and full-stack JavaScript, along with experience in building distributed systems using AWS. Join a friendly, flexible team that supports continuous improvement and...

Civica, a leading GovTech software provider, is seeking a Senior Software Engineer in the UK. You will design, develop, and implement scalable software solutions, mentor teammates, and collaborate with product managers, UX/UI designers, and stakeholders to gather requirements and deliver value.You will work with Go, React, C#, .NET, and Angular, apply TDD...

Civica is seeking a Senior Software Engineer to join our dynamic engineering team. You will design, develop and implement scalable software solutions while ensuring performance, security and maintainability.You will mentor juniors, review code, and collaborate with product managers and UX/UI designers to deliver fit-for-purpose software. Proficiency in Go...

A cutting-edge technology start-up is seeking a Frontend Software Engineer to develop high-performance web applications using React and TypeScript. This role requires a Bachelor's degree in Computer Science and at least 2 years of experience in building complex applications. You'll collaborate with top-tier engineers to create UIs for complex data...

Elsevier is seeking an experienced full stack developer (React/Node) to work on cutting-edge frontends for a healthcare mission-driven organization. You will collaborate with Product, UX designers, and engineers to develop client-side applications.The role focuses on designing, developing, and maintaining complex React/Node applications, ensuring seamless...

JPMorganChase in London seeks a Senior Lead Software Engineer to lead the delivery of secure, scalable technology in the Equities Sales and Trading Technology group. You will guide cross-functional teams, drive architectural decisions, and implement robust software across front-end and back-end stacks.The role emphasizes cloud-native delivery, performance...

Civica is seeking a highly skilled Senior Software Engineer in the UK to design, develop and implement innovative software solutions. You will mentor juniors, conduct code reviews, and work closely with product managers, UX/UI designers, and other teams to deliver high-quality, scalable software.The role requires expertise in Go, React, and C#/.NET, with...

RevTech is seeking a Frontend (React) leaning full stack engineer for a contract role until the end of 2026, with a daily pay of up to £520 (Inside IR35 via Umbrella). The role will be 3 days per week onsite in London, focusing on integrating REST APIs and working with various Front End tools. Strong experience in ReactJS is required, along with familiarity...

LinkedTrade Technologies, a leading SaaS platform for structured products, is seeking a React engineer to join our startup-like team in London. You will contribute to front-end development, collaborate with the Lead engineer, and align with Pre-Sales on UI/UX solutions.You should have 4+ years of web development, expert JavaScript, ReactJS/Redux, HTML/CSS,...

Civica is seeking a Senior Software Engineer in the United Kingdom to design, develop, and implement robust software solutions. You will collaborate with product managers, UX/UI designers and stakeholders to gather requirements, while mentoring juniors and promoting best practices.Core tech includes Go, React, and cloud platforms with CI/CD and test...

Runna is seeking a senior software engineer to join the Train Team, collaborating with modelling/AI experts to integrate features into the Runna training platform. You’ll work closely with the CTO and leadership to shape the engineering roadmap and deliver impactful products for runners.You’ll contribute across frontend and backend, shipping end-to-end...

A specialized executive search firm is seeking a Senior React Native Engineer to join an ambitious startup based in London. This role involves leading the development of new features for an encrypted email app and requires 4-6 years of software engineering experience with a strong focus on React Native and TypeScript. Candidates should have experience with...

Rightmove seeks a Senior Software Engineer II to help build our UKs largest property platform. You’ll own high-quality software using React, TypeScript, Express and Kubernetes, collaborating with Product, Design and Engineering to solve real-world challenges at scale.You’ll mentor peers, influence technical direction, and contribute to reliable, scalable...

Frontend Software Engineer - React & TypeScriptLondon (1-2 days p/w in office)Edge AI StartupSalary - £65,000-£75,000(Depending on experience)We're working with a growing technology company developing software that combines AI, data and connected systems to solve complex real-world problems.We're looking for an experienced Frontend Software Engineer to...

Client Server is seeking a Senior Front End Developer to join their team in Cirencester. In this role, you will design and develop innovative, data-centric user interfaces that monitor Arctic ice flows. You’ll take ownership of projects and work collaboratively within a small team at a tech start-up. The position offers a competitive salary of up to £85k...

Civica is seeking a highly skilled Senior Software Engineer to join our engineering team in the UK. You will design, develop, and implement innovative software solutions, collaborating with product managers, UX/UI designers and stakeholders to deliver high-quality products that meet user needs and business objectives.You will mentor juniors, perform code...