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Freelance Senior Software Engineer React/.NET, London

A leading digital consultancy is seeking a Freelance Senior Software Engineer in London. This role involves integration of various services into a financial platform and requires front-end (React Native) or back-end (.NET) experience. The position offers a short term contract, likely to extend, with immediate in ...

Senior Frontend Engineer TS/React/Next.js/Node

A leading information analytics firm in Greater London is seeking a Software Engineer III to design and develop modern frontend applications using TypeScript, React, and Next.js. The role involves building responsive and accessible user interfaces while collaborating with cross-functional teams. Ideal candidates ...

Software Engineer III – (Typescript/React JS/Node)

## .**About the team:**The SciVal Development Team is a cross-functional group comprising Frontend, Backend, and Quality Engineers who work closely together. The team collaborates closely with UX and Product to design, build, and deliver high-quality features efficiently and reliably.SciVal is a data-driven prod ...

Remote Mobile Engineer React Native, User‑Focused

A tech company specializing in incident management is seeking a Mobile App Developer to lead the development of their on-call app. This role focuses on using React Native to build an outstanding user experience for iOS and Android platforms. With a strong emphasis on usability, accessibility, and customer feedba ...

Senior React Engineer — Web Platform (Remote/Equity)

A leading fintech company in the UK is seeking a Senior React Engineer to join their SuperApp engineering group. The successful candidate will take ownership of delivering significant React features for the Zable website, working collaboratively with cross-functional teams. Responsibilities include writing maint ...

Frontend Engineer (React + TypeScript) — £500/day (Contract)

Here at Venchr, we are working with a rapidly emerging AI‑rights technology company that is transforming how creators, talent and brands manage ownership of their digital presence. Built in response to a fragmented rights landscape and the exponential rise of deepfakes and synthetic media, this org ...

Senior Software Engineer – Cloud Native, GraphQL & React

A leading technology solutions provider in the UK is looking for a Senior Software Engineer to contribute to backend and frontend systems. The role requires over 5 years of experience in software engineering, proficiency in AWS, Kubernetes, and programming languages like Java, Python, or Node.js. The successful ...

Software Engineer III – (Typescript/React JS/Node)

Software Engineer III – (Typescript/React JS/Node) About the team: The SciVal Development Team is a cross‑functional group comprising Frontend, Backend, and Quality Engineers who work closely together. The team collaborates closely with UX and Product to design, build, and deliver high‑quality fe ...

Frontend Engineer – React/Next.js for SaaS (Hybrid)

A dynamic analytics firm is seeking a skilled Front-End Developer to join their team in London. This role focuses on designing high-performance user interfaces for insurance SaaS platforms. Candidates should have extensive experience with React.js, Next.js, and Node.js, as well as familiarity with the insurance ...

Remote Senior Monetization Frontend Engineer (React Native)

A leading technology company in the United Kingdom is seeking a Senior Monetization Frontend Engineer to enhance their mobile monetization features. In this fully remote role, you will build and optimize payment systems that focus on user experience and revenue growth. Successful candidates will have extensive f ...

Senior Java & React Engineer Data Driven Testing

A leading global financial services firm located in Bournemouth is seeking a Java Software Engineer III to join its Test Engineering Services team. This role requires strong knowledge in Securities Processing, extensive experience with automation and Java programming. You will lead testing initiatives and work w ...

React Native Product Engineer (Mid) – Remote friendly

A forward-thinking financial company in Greater London is seeking a Mid Level Product Engineer to enhance its mobile and web applications. This role involves using React Native for mobile app development and Next.js for the web app. The ideal candidate will have a strong attention to detail and collaborative ski ...

Senior Web Engineer, Travel Network (Next.js/React)

An innovative e-commerce company in Greater London is seeking a web-focused engineer to join their Travel Network team. You will work across two high-traffic sites, focusing on building new features and optimizing the user experience. Candidates should have strong skills in Next.js and React, a collaborative spi ...

Frontend Engineer II React & Sports Data UI

A leading sports technology company is looking for a Frontend Engineer to join their team. This hybrid role involves building interactive UI platforms for sports data. Candidates should have experience with React and TypeScript, and a willingness to learn and grow in a supportive environment. Benefits include ge ...

Frontend Engineer II React & Sports Data UI

A leading sports technology company is looking for a Frontend Engineer to join their team. This hybrid role involves building interactive UI platforms for sports data. Candidates should have experience with React and TypeScript, and a willingness to learn and grow in a supportive environment. Benefits include ge ...

Frontend Engineer II React & Sports Data UI

A leading sports technology company is looking for a Frontend Engineer to join their team. This hybrid role involves building interactive UI platforms for sports data. Candidates should have experience with React and TypeScript, and a willingness to learn and grow in a supportive environment. Benefits include ge ...

Senior leaning TypeScript/React Engineer (Hybrid – London)

A leading property technology company in Greater London is looking for a Product Engineer to join their team. The ideal candidate will have solid experience with TypeScript and React, working collaboratively to solve user problems and deliver features. With a focus on mentoring, this role supports professional g ...

React Frontend Engineer — Build Fast, Scalable UIs

A leading tech firm in the United Kingdom seeks a knowledgeable React.js Developer to design and maintain web applications. The ideal candidate will have hands-on experience with React.js and an understanding of REST APIs and Node.js. This role requires proficiency in debugging and performance optimization, with ...

Senior React Frontend Engineer Space Missions UI

A space technology company based in the UK is seeking a Senior React Front End Engineer to design and optimise user interfaces for satellite missions. The ideal candidate will have strong skills in React and TypeScript, along with experience in state management and performance optimisation. You'll work collabora ...

Senior React Native & Web Engineer for SDKs

A technology startup in the United Kingdom is seeking Senior React.js and React Native Developers to enhance their web and mobile SDKs and Twitch Extension. The role emphasizes collaboration, feature development, and responsiveness improvements, requiring a strong background in JavaScript and agile methodologies ...

Senior Frontend Engineer — Remote (UK) | React/TypeScript

A leading cyber resilience platform in the UK is seeking a Senior Front-end Engineer to develop their innovative platform. The role involves building efficient code with a focus on React and TypeScript. Candidates should possess extensive experience with web applications, be adept at problem-solving, and have a ...

Senior Software Engineer TS, React, Node £110K

⚖️ Scale Up experience is a must We are working with an early stage start-up who have an AI native platform operating in the financial services space. They are already working with funds managing billions in assets but internally they still move like a 10 person startup. They are now ...

IoT Systems Engineer (React/TS) Cloud & Firmware

A leading digital transformation consultancy in Leeds is seeking an IoT developer with a strong background in React and Typescript. The role involves writing and maintaining firmware, contributing to technical planning, and supporting cloud infrastructure on AWS. Ideal candidates should have a passion for connec ...

Lead Software Engineer Java & React (Cloud/Microservices)

A leading global financial services firm in Glasgow is seeking a Lead Software Engineer to develop strategic software products that advance business goals. This role involves leading an agile team, enhancing secure technology solutions, and innovating in software engineering practices. Ideal candidates will have ...

Senior Frontend Engineer (UI/React) Scalable, Impactful

A global leader in financial services is seeking a Software Engineer III (UI Developer) to enhance their technology team in Glasgow. The role focuses on building performant user interfaces with React.js, implementing complex UI solutions, and leveraging experience in agile environments. Ideal candidates have str ...

Lead Software Engineer (Java & React) Secure, Scalable

A global financial services leader in Glasgow is seeking a Lead Software Engineer to enhance and deliver technology products focusing on security and scalability. You will lead software solutions, develop high-quality code, and identify improvements for operational stability. The ideal candidate will have advanc ...

Staff Mobile Engineer – React Native, TypeScript, UX

A leading cryptocurrency firm in Greater London is looking for a Staff Engineer (Mobile) to develop high-quality mobile applications on the Palisade platform. The ideal candidate has expertise in cross-platform mobile development, particularly using React Native and TypeScript. This role requires a collaborative ...

Frontend Software Engineer (Ember or React) Consumer

Would you like to create the future of a product used by thousands of businesses and millions of consumers? Phorest Salon Software powers over 11,000 hair and beauty salons in Ireland, UK, Germany, Australia, Finland, USA, Canada, UAE and Netherlands and the platform processes 7 million appointments a mont ...

Staff Software Engineer Java React (Digital & Payments)

Wed all like amazing work to do, and real work-life balance. Thats waiting for you at Sainsburys. Think about the scale it takes for us to feed the nation. The level of data, transactions and variety it involves. Then youll realise that ours is a modern software engineering environment because it has to be. Weve ...

Lead Software Engineer — Java/React, Cloud & Scale

A leading financial institution is seeking a Lead Software Engineer in Glasgow. This role involves enhancing and delivering reliable technology products, emphasizing security, stability, and scalability. The ideal candidate will have advanced experience in Java or React, a strong understanding of software develo ...

Senior Java & React Engineer for Fintech Platform

A financial technology company is seeking a Senior Java Software Engineer with strong React experience to join their Agile engineering team in Cardiff. In this role, you will design and develop modern applications, contribute to both new product development and enhancement of existing platforms, and work collabo ...

Staff Software Engineer Java React (Digital & Payments)

About the Role As a Staff Engineer, you'll be a hands‑on technical leader who drives engineering excellence across multiple teams. You’ll work on complex, high‑scale systems, design solutions that support millions of customer interactions, and help teams deliver high‑quality, robust and scalable ...

Senior React Frontend Engineer – Build Scalable UIs

A fast-growing tech company in Greater London is seeking a React Developer to join their agile team. In this role, you'll implement user interface components and ensure the application is robust and maintainable. Ideal candidates will possess expert knowledge in JavaScript and React, with a passion for quality a ...

Senior Frontend Engineer TypeScript & React (Crypto Tax)

A growing crypto tax compliance platform is seeking a Remote Frontend Engineer to own frontend features from scoping to deployment. The ideal candidate will have 8+ years of experience in developing complex SaaS products, with expert-level TypeScript and deep React knowledge. You will play a vital role in improv ...

Remote Frontend Engineer — React/TypeScript, Fintech Impact

A London-based fintech company is seeking a Middle Frontend Engineer to join its Platform team. In this product-focused role, you will work on building and maintaining frontend features using React and TypeScript. The ideal candidate has over 3 years of frontend experience and strong knowledge of modern web appl ...

Vice President, Fullstack Software Engineer (Java/React)

About this Role Are you interested in building innovative technology that shapes the financial markets? Do you like working at the speed of a startup, but want to solve some of the world’s most complex problems? Do you want to work with, and learn from, hands‑on leaders in technology and finance? ...

Senior Front End Engineer (React) Wealth Tech

A global financial services leader is seeking a skilled Web Engineer to enhance their digital investment platforms. In this role, you'll develop customer-centric web applications using React and collaborate with cross-functional teams to deliver high-quality user experiences. The ideal candidate will possess str ...

Software Engineer React/TypeScript for UCaaS (Hybrid)

A leading technology company in Manchester is seeking a Software Engineer to develop and maintain innovative UCaaS solutions. The ideal candidate will have strong experience in TypeScript and React, along with good knowledge of HTML/CSS. Responsibilities include collaborating with teams, developing features, and ...

React Native Engineer for Greenfield Mobile Apps

A leading tech consultancy based in Manchester is looking for a talented React Native Developer to work on a greenfield project. This role involves taking responsibility for the entire software delivery lifecycle while ensuring high-quality application standards. Candidates should have a strong background in Rea ...

Senior Frontend Engineer – React/TypeScript, UX & scale

A leading cybersecurity awareness firm in Greater London is seeking a talented Frontend Developer to lead feature development and enhance user experiences on their innovative platform. The ideal candidate will have proven experience in React and TypeScript, with a strong focus on frontend testing strategies and ...

Frontend Engineer (React) – Onsite in Essex | Contract

A recruitment consultancy is looking for a Front End Software Engineer to work on innovative frontend products for Credit customers in Dunton. The role requires proficiency in React, JavaScript, and Agile methodologies, as well as an ability to upskill team members. Candidates should be eligible to work in the U ...

Fintech Frontend Engineer II (React + TypeScript) | Hybrid

A leading online travel platform is seeking a Frontend Software Engineer II to enhance web applications within their Fintech department. In this hybrid role, the engineer will design, implement, and deploy features with minimal supervision while mentoring junior engineers. Ideal candidates will have over 4 years ...

Junior Software Engineer: .NET, React, Cloud FinTech

A leading software solutions company in the automotive sector is seeking a Junior Developer to join their team in Gloucester. The role involves developing and deploying features on the 'compliance as a service' platform and participating in product development. Ideal candidates will have experience with ASP.NET, ...

Frontend Engineer: TypeScript & React, Own the UI

About Edra Edra is solving one of the hardest problems in enterprise AI: AI models are generic but company processes are specific. We build AI agents that learn how processes actually run, and then run their operations. We're a Series A startup, backed by Sequoia and other ...

Frontend Engineer: React + TypeScript for Modern UI

A leading building society is seeking a Frontend Developer to design and build modern user interfaces. This role involves collaborating with cross-functional teams, where you'll implement responsive applications using TypeScript and React. Candidates should possess a solid understanding of frontend principles an ...

Lead React Engineer Office.js Expert, Hybrid London

A leading legal tech company is seeking a React Team Lead in London. You will guide a team of developers to shape product direction and ensure high-quality code. The ideal candidate has over 5 years of React development experience, strong technical skills, and proven leadership capabilities. This hybrid role off ...

Software Engineer I — Remote Ready, Java/React

A prominent technology company in Scotland is seeking a skilled software engineer to develop innovative authorization products and address complex use cases. In this role, you will work collaboratively with various teams, ensure high quality in feature development, and contribute to the continuous improvement cu ...

Java/React Software Engineer — Enterprise Platform (Hybrid)

A leading technology firm in Manchester is looking for a Software Engineer to join its Platform & AI Enablement team. The ideal candidate should have strong Java and React skills, with experience in building enterprise-grade applications. Responsibilities include designing and building core capabilities for data ...

Lead React Native Engineer — Hybrid (London, TS)

A leading mobile tech company is seeking a Lead React Native Engineer to enhance their well-known SaaS/Marketplace app. In this role, you will build and optimise user-facing features using React Native and TypeScript, mentor junior engineers, and collaborate with product teams to implement scalable solutions. Th ...

Lead Frontend Engineer React + TypeScript, Scalable UI

A leading financial institution is seeking a Lead Software Engineer to join their new team focused on creating customer-centric products. In this role, you'll design and build scalable front-end solutions using TypeScript and React. Your expertise in software engineering will drive significant contributions to b ...

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    Full Stack Engineer Python React Jobs in United Kingdom Job Search Guide, Trends and Insights