senior react developer

We are looking for a Full-Stack Engineer to build the Eigent desktop and web application. You will own the front-end architecture of our AI agent platform — a React/Electron app that lets users orchestrate, monitor, and interact with AI agents in real time.ResponsibilitiesArchitect and build features across the React/Electron desktop app and Next.js web...

Senior Software Engineer – JavaScript, ReactApply now, read the job details by scrolling down Double check you have the necessary skills before sending an application.A fantastic opportunity for talented Software Developers, to join an industry-leading software company in either London or Cambridge offering the opportunity to work on a wide variety of web...

seniorpart-time# Senior DeveloperTELECOM ACQUISITIONS LTDHorsham, United Kingdom £0 - £0 per yearlaravelphpapilivewirevuealpinedockerdescription## Job descriptionChrome desktop can translate this description on-device without sending the text to LaraBench.### Senior Developer### Location: Horsham### Salary: Negotiable depending on experience### Employment...

Grid Dynamics in London is seeking a Senior Full Stack Engineer to join a multi-year transformation for a Tier 1 investment bank's Prime Finance Equities business. You will contribute across the full stack—from event-driven backend services in Java/Kotlin to modern React/TypeScript frontends and real-time data experiences.You will work on live,...

Belitsoft is seeking a Senior .NET Engineer in Greater London. The role involves writing modular and scalable code, ensuring code quality, and collaborating with a diverse team. Candidates should have strong proficiency in PHP (Laravel), React, and experience with PostgreSQL and Docker, along with the ability to deploy solutions to AWS. This position fosters...

Aberdeen plc is seeking a Senior Full-Stack Engineer (Digital) to help build modern platforms using React, Next.js, .NET and Azure. Based in Edinburgh, you will contribute to front-end and back-end services, cloud infrastructure and enterprise integrations while mentoring others and shaping engineering standards.You will collaborate with product, UX and...

Kofeko in the United Kingdom is seeking a Senior Full Stack Developer to build and maintain end-to-end features across .Net backend, React frontend, and Python helpers where needed.You will own design and delivery of robust software, collaborating across teams, and ensuring reliable database integration while delivering maintainable code and high-quality...

Portal Biotech is seeking a Senior Front-end Software Engineer to join the Analysis Platform team. You’ll build the UI scientists use to launch analyses, follow runs and interact with reports from our analysis pipeline.The role focuses on the launch/run/results interface, reusable React components, and API integration. London-based preference with remote...

A leading financial services company in Manchester seeks a Full Stack Engineer (Java/React) to lead their collaborative teams. The role requires a background in Java and proficiency in React. Candidates must have strong SQL experience and knowledge of Python. Responsibilities include executing software strategy, mentoring teams, and developing applications....

JPMorganChase is seeking a Software Engineer III within the Climate Nature & Social Risk Technology team in Glasgow. You will design and deliver trusted market-leading UI products with React + TypeScript, aligned to design systems, while upholding secure, scalable software delivery.You will lead technical UI design, automate testing, and advance CI/CD,...

A growing technology firm in Sheffield seeks a Senior Software Engineer to drive best engineering practices and oversee the development of high-quality software. The role involves working with PHP, Laravel, React, TypeScript, and AWS while collaborating with various teams. You will mentor junior engineers and help shape the company's engineering culture. The...

A dynamic entertainment technology company in the UK is seeking a Product Engineer to lead frontend and fullstack development for their revolutionary AI video editing products. You will work closely with a talented team to deliver high-performance interfaces using React and TypeScript. The ideal candidate has strong experience in these technologies and...

We are recruiting Full-Stack Software Engineers for a game changing biotech in West London to build a cloud based data analysis platform that will play a key part in the future of scientific discovery. Working in a small, talented and motivated team using state of the art tools including powerful AI to augment the development life cycle and speed up...

Zühlke Group in London seeks a Senior Fullstack Developer to build and operate business-critical digital services. This backend-led role uses Kotlin or modern Java (17+), JVM ecosystem, APIs and event-driven workflows, with React/TypeScript for frontend.You will work with product managers and designers, contribute to code quality, testing, and deployment...

Civica is seeking a Senior Software Engineer to design, develop, and implement scalable software solutions. You will work with cross‑functional teams to deliver high‑quality products while mentoring juniors and contributing to best practices.This role emphasizes Go, React, C#/.NET and Angular, with TDD, cloud, and DevOps expertise in a fast‑moving...

Civica is seeking a highly skilled Senior Software Engineer to join our engineering team. You will design, develop and implement innovative software solutions.You will collaborate with cross-functional teams to deliver high-quality products that meet user needs and business objectives. You will mentor junior engineers, apply TDD, automated testing, and...

Adria Solutions is seeking a Senior Full Stack Developer with a strong backend focus to elevate our engineering efforts. You will work end-to-end across the stack, contributing to both existing systems and a new platform, with ownership of critical backend services and cloud infrastructure.In this role you will collaborate with teammates, tackle complex...

Transreport is hiring a Senior Mobile Engineer to architect and own a greenfield React Native product for iOS and Android, alongside Rails engineers. You will define architecture, establish CI/CD, and set a scalable mobile/backend boundary in a fast-growing UK-based platform serving rail operations.The role requires leadership, deep RN/TypeScript expertise,...

myenergi is seeking a Senior React Native Software Engineer to join our mobile team in the UK. You will develop and maintain two key mobile apps: a customer‑facing app with real‑time visibility and control over myenergi devices, and an installer‑focused app that connects to devices via Bluetooth for setup and diagnostics.You’ll work in a small, agile...

A technology company in Greater London is seeking a Senior Software Engineer to design and maintain reliable full-stack systems. You will work in a self-organizing team, focusing on software engineering and applied AI. The ideal candidate should have hands-on experience with TypeScript and React, and possess strong communication skills. This position offers...