React Jobs in London

51 to 75 of 2,767 React Jobs in London

Senior Software Engineer

London, England, United Kingdom
Harrington Starr
shape solutions Contribute to agile best practices Key Requirements: 5+ years of core Java development experience Expertise in microservices architectures (Spring Boot, Docker, Kubernetes) Strong experience with GUI technologies (React, TypeScript, HTML5) Experience in full SDLC (Git, Maven, Bamboo) Strong understanding of modern software design & architecture A proactive mindset and a collaborative approach Up to £110,000 base salary Private More ❯
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Java Developer/Equities Post Trading

London, England, United Kingdom
Berenberg
attention to detail, and a collaborative approach 5 years core Java programming experience (or more) Experience with microservice architectures e.g Docker, SpringBoot, Helm, Kubernetes Exposure to GUI technologies (HTML5, React and Java-/TypeScript) Experience in full SDLC using build tools (Git, Maven, Bamboo) Expertise in modern software design, architecture patterns, and performance measurement (throughput, latency, capacity) Strong collaboration and More ❯
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Senior Software Engineer - Conversions

London, England, United Kingdom
Henry Schein One group
applications using an object-oriented language like Ruby, being familiar with Ruby on Rails, JavaScript, HTML and CSS Experience working with Single Page Applications and Javascript frameworks such as React, Angular, Vue.js or (preferably) Ember.js Desirable: A robust knowledge of building and working with RESTful APIs Desirable: Experience integrating with internal and third party services Desirable: A knowledge of cloud More ❯
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Lead Java Developer

City of London, London, United Kingdom
ValueMomentum
Knowledge on Document management and generation systems/applications. Experience with CI/CD pipelines. Familiarity with message brokers (e.g., RabbitMQ, Kafka). Knowledge of front-end technologies (Angular, React). Security-conscious development practices. Profound knowledge and experience in using J2EE/Jakarta EE frameworks and technologies such as Enterprise JavaBeans (EJB)/CDI, EJB Lites, Java Server Pages More ❯
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Lead Java Developer

London Area, United Kingdom
ValueMomentum
Knowledge on Document management and generation systems/applications. Experience with CI/CD pipelines. Familiarity with message brokers (e.g., RabbitMQ, Kafka). Knowledge of front-end technologies (Angular, React). Security-conscious development practices. Profound knowledge and experience in using J2EE/Jakarta EE frameworks and technologies such as Enterprise JavaBeans (EJB)/CDI, EJB Lites, Java Server Pages More ❯
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Senior Software Engineering Manager

London, England, United Kingdom
Equiniti
Azure DevOps, Jenkins TFSVC, GIT Azure Cloud Platform, Amazon Web Services Identity Access ORM Tools Umbraco SharePoint JSON, XML, XSLT,XPath,XQuery LinQ, Lamba Powershell HTML5, CSS3, SASS Bootstrap React JavaScript, jQuery, jQuery UI SQL Server T-SQL/SQL Server Unit Test Tools .NET Core/Framework C# ASP.NET core, Web API, MVC, WebForms What We Offer Save For More ❯
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Senior Full Stack Engineer (f/m/d)

London, England, United Kingdom
Contentful
every month. What you need to be successful? Proven Experience: Demonstrable experience as a Full Stack Software Engineer in a product development environment. Technical Proficiency: Strong skills in TypeScript, React, and Node.js. Interested in clean code practices and familiarity with enterprise architectural design patterns. Strong experience with Node.js: Expertise in building RESTful APIs, GraphQL services, and backend systems using Node.js. More ❯
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Software Engineer– Energy & Resources Analytics Platform

London, England, United Kingdom
Hybrid / WFH Options
Baringa Partners
tools (Git, CI/CD pipelines), cloud technologies (Azure, AWS) and IaC ( Terraform, Pulumi) You have worked using one or more frameworks across the breadth of a technology stack ( React/Angular/Vue/Blazor frontend etc, FastAPI/Spring Boot/Django/.Net backend etc) You have an understanding of different architectural approaches, and are confident in More ❯
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Senior Software Engineer - Salesforce

London, England, United Kingdom
Disney Cruise Line - The Walt Disney Company
how Disney delivers the Magic and a desire to be a part of it. Experience with Java/Python, SQL Databases, and AWS/Azure. Experience with Web development (React, Angular etc.). The hiring range for this position in Seattle, Washington and New York, NY is $145,500 to $195,000 per year. Santa Monica, CA is More ❯
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Software Developer Engineer (Full Stack)

London, England, United Kingdom
Expedia Group
platform that powers real-time decision-making for our business. In This Role, You Will Design and develop responsive, performant, and accessible user interfaces using modern JavaScript frameworks (e.g., React), advanced front-end technologies, and TypeScript. Architect and implement micro frontend solutions to enable scalable, modular, and independently deployable frontend applications. Develop server-side applications and APIs using Node.js, ensuring More ❯
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Lead Engineer, Back End

London, England, United Kingdom
GroupM
language models and agentic workflows (e.g., Langchain, AutoGPT). Knowledge of model evaluation metrics and techniques. Google Cloud (Cloud Functions, AppEngine, PubSub, Stackdriver, etc.). Docker, Kubernetes. Typescript, NodeJS, React, Webpack, etc. Java, C#. Experience within the advertising/media agency space. Terraform Life at WPP Media & Benefits Our passion for shaping the next era of media includes investing in More ❯
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Staff and Team Lead, Onyx Application Engineering

London, England, United Kingdom
Hybrid / WFH Options
GSK
Azure Strong experience with modern software development tools/ways of working (e.g. git/GitHub, DevOps tools, metrics/monitoring, ...) Proficiency in front-end technologies: JavaScript, Typescript, React.js, Angular.js or similar. API development using technologies and standards like REST/GraphQL/gRPC or similar. Experience in an open-source web framework preferably implemented in Python, Java, Scala More ❯
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Senior Fullstack Enginer (Python & React)

London, England, United Kingdom
Hybrid / WFH Options
Parser
Senior Fullstack Engineer (Python & React) 2 weeks ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Parser Senior Full Stack Software Engineer – Passenger Flow Modelling We are seeking a Senior Full Stack Engineer with a strong foundation in Python development and experience in mathematical modelling … . The primary task will involve interpreting pre-defined modelling logic and translating it into an efficient, Python-based solution, which will then be integrated with an existing UI (ReactJS) and API . This is an ideal opportunity for someone who excels in backend development , is comfortable with integration work , and has experience with large-scale, performant systems. Key Responsibilities … with existing RESTful APIs, ensuring seamless data flows between backend and frontend components. UI Integration: Collaborate with front-end developers to ensure proper integration of backend logic with the ReactJS user interface. Optimization: Continuously optimize the Python code for performance, ensuring minimal computational cost and maximal scalability. Collaboration: Work closely with project stakeholders to refine requirements, align expectations, and deliver More ❯
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Senior Full Stack Software Engineer (Java+ React)

London, England, United Kingdom
S&P Global
application development and production support). Strong hands-on experience in designing, developing, testing, and successfully deploying critical and complex projects Strong Knowledge of User Interface design & development using React, HTML5, XML & CSS Strong Java skills with experience in development of concurrent and distributed systems Advanced experience with Spring-based technologies (Spring Boot etc.) Experience in designing and implementing REST More ❯
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Backend Software Engineer C# .Net - Trading

London, England, United Kingdom
Hybrid / WFH Options
Client Server
a Backend Software Engineer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a modern development environment with …/Kubernetes, EKS You have a good understanding of CQRS and event driven architectures Ideally you will also have some front end development experience with JavaScript/TypeScript/React.js or Angular You have strong analytical and problem solving skills You're collaborative with excellent communication skills What's in it for you: As a Backend Software Engineer/Developer … competitive package: Up to £80k salary Bonus Private Healthcare Pension 25 days holiday Apply now to find out more about this Backend Software Engineer/Developer (C# .Net Core React) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come More ❯
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Backend Software Engineer C# .Net - Trading

City of London, London, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
a Backend Software Engineer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a modern development environment with …/Kubernetes, EKS You have a good understanding of CQRS and event driven architectures Ideally you will also have some front end development experience with JavaScript/TypeScript/React.js or Angular You have strong analytical and problem solving skills You're collaborative with excellent communication skills What's in it for you: As a Backend Software Engineer/Developer … competitive package: Up to £80k salary Bonus Private Healthcare Pension 25 days holiday Apply now to find out more about this Backend Software Engineer/Developer (C# .Net Core React) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come More ❯
Employment Type: Full-Time
Salary: £70,000 - £80,000 per annum
Posted:

Full Stack Engineer (Web Developer or DevOps) - Python & JavaScript

London, England, United Kingdom
Hybrid / WFH Options
Low Carbon Contracts Company
and ensure that developer tasks and Jira tickets are feasible to deliver. Translate designs and wireframes into high quality code. Develop new user-facing features using frameworks such as React.js (other frameworks will be considered). Write front-end components using JavaScript, CSS and integrate with back-end Python components (possibly other languages). Develop modules that satisfy the functional … least 3 years’ experience of coding in a Python web-development framework, preferably Django. At least 3 years’ experience of coding in a front-end capacity (preferably JavaScript and React). Container-related tools – e.g., Docker, Docker Compose. Databases – e.g., SQL, PostgreSQL. RESTful API development and management. Proactive Performance Tuning. Solid understanding of design patterns and relevant implementation models. Solid More ❯
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Senior Software Engineer

London, England, United Kingdom
NGIS
England, United Kingdom $30,000.00-$40,000.00 4 weeks ago Hounslow, England, United Kingdom 2 weeks ago United Kingdom $75,000.00-$100,000.00 3 weeks ago Frontend software engineer (React) - Europe Remote Liverpool, England, United Kingdom $35,000.00-$40,000.00 1 week ago London, England, United Kingdom 11 hours ago Frontend software engineer (React) - Europe Remote Birmingham, England, United Kingdom … 000.00-$40,000.00 1 week ago Frontend software engineer (React) - Europe Remote Belfast, Northern Ireland, United Kingdom $35,000.00-$40,000.00 1 week ago Greater London, England, United Kingdom 2 days ago Part-Time Junior Software Developer - Remote Frontend software engineer (React) - Europe Remote Manchester, England, United Kingdom $35,000.00-$40,000.00 1 week ago Frontend software engineer (React) - Europe More ❯
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Full Stack Developer - Lead Developer Opportunity

London, England, United Kingdom
Hybrid / WFH Options
The Opportunity Hub UK
As our lead developer, you'll be responsible for: - Maintaining and evolving our current WordPress-based platform - Leading the technical transformation to a more scalable architecture using Laravel and React - Implementing AI integrations and advanced search functionality - Developing innovative features to enhance user experience - Making key technical decisions that will shape the platform's future Technical Requirements Must Have: - Strong … experience with PHP and WordPress development - Proficiency in modern JavaScript, HTML5, and CSS3 - Experience with Laravel framework - Familiarity with React and modern frontend development - Understanding of RESTful APIs and microservices architecture - Experience with AWS services and cloud architecture - Strong knowledge of cloud infrastructure and deployment - Experience with version control systems (Git) - Knowledge of SQL and database optimization Nice to Have … with automated testing - Background in recruitment tech or HR systems Key Responsibilities - Own the complete development lifecycle of our platform - Lead the migration from WordPress to a Laravel/React stack - Design and implement cloud-native architecture on AWS - Manage cloud infrastructure and optimize for cost-efficiency - Implement advanced search algorithms and AI-powered features - Set up and maintain CI More ❯
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i2 Software Developer

London, England, United Kingdom
Hybrid / WFH Options
Harris Computer
core duties and responsibilities will include (but will not be limited to): Helping develop and maintain efficient, reusable, and reliable frontend code using HTML5/CSS3, JavaScript, TypeScript, and React Working closely with cross-functional teams, including UI/UX designers, backend developers, and product managers, to deliver high-quality user interfaces Ensuring the technical feasibility of UI/UX … to date with the latest industry trends and technologies to ensure our applications are built using the best practices Our Technology Stack Frontend App Framework - JavaScript/TypeScript/React Frontend State Management - Mobx Backend – Java REST/GraphQL Services CI/CD - GitHub/CircleCI Cloud – AWS What we are looking for A Bachelor's degree in computer science … field Mid to senior level experienced developer Demonstrable success and involvement in software design and implementation of production-ready clients using technologies such as: HTML5, JavaScript, CSS3, Typescript, and React Experience with APIs and using patterns such as REST and GraphQL Experience with testing frameworks and methodologies, ensuring the delivery of high-quality software Strong problem-solving skills and attention More ❯
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Fullstack Engineer

London, England, United Kingdom
GEEIQ
UI/UX considerations to backend architecture and integrations. You will primarily design and implement APIs and services using Node.js , JavaScript , and TypeScript , and contribute to frontend development using React . A key aspect of this role is the ability to effectively understand and work WITH AI-powered developer tools (e.g., Cursor, Claude Code, Gemini, GitHub Copilot ) to enhance productivity … and data sources. Optimize application performance, reliability, and scalability. Work with data at scale and integrate it into internal pipelines and systems. Frontend Development: Develop user-friendly interfaces using React , JavaScript/TypeScript , and ensure optimal performance across various devices and browsers. Implement responsive designs and ensure seamless integration with backend services. Full-Stack Contributions: Collaborate with cross-functional teams … experience. Experience: 2-4 years of proven experience in a software engineering role. Solid experience in full-stack development, with demonstrable skills in JavaScript , TypeScript , Node.js (for backend), and React (for frontend). A stronger inclination and experience towards backend development is preferred. Proficiency in building and consuming RESTful APIs; familiarity with GraphQL is a plus. Experience with relational databases More ❯
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Senior Full Stack Software Engineer

London, England, United Kingdom
Hybrid / WFH Options
Anmut
Full-Stack Software Engineer to join our product team. The successful candidate will be critical to designing and implementing complex features within our data management platform, using a modern React/TypeScript/Next.js stack with advanced data visualisation and AI capabilities. This role requires very strong technical expertise, including the ability to: Design and develop high-performance, scalable features … and uphold engineering best practices Drive technical decisions that align with business goals Extend our AI functionalities What We Look For Essential Technical Skills: Frontend Development: Advanced expertise with React (18+) and TypeScript Deep knowledge of Next.js (14+) and its features (SSR, ISR, API routes) Experience with Mantine UI framework or similar component libraries Proficiency with CSS-in-JS solutions … SQL query builders (Kysely) Knowledge of authentication systems (NextAuth) Full-Stack Capabilities: Type-safe development across the entire stack API design and implementation Performance optimisation techniques State management using React Query Testing & Quality: Comprehensive testing strategies with Jest and Playwright Experience with mock service workers (MSW) for API testing DevOps & Deployment: CI/CD pipeline configuration and optimisation Environment management More ❯
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Contract .NET Developer - Energy Trading

London, England, United Kingdom
Oliver Bernard
ago London, England, United Kingdom 3 weeks ago London, England, United Kingdom 1 hour ago Senior Full Stack Founding Engineer – Hybrid - £150k - £200k Mid-Level Software Engineer (.NET/React) London, England, United Kingdom 1 day ago London, England, United Kingdom 1 month ago ASP.NET/Front-End Developer - network security and firewall configuration London, England, United Kingdom 4 days … ago London, England, United Kingdom 7 months ago Senior .Net C# Software Engineer - Global Energy Co Full Stack Engineer | C#, .NET, TypeScript, React London, England, United Kingdom 1 month ago London, England, United Kingdom 3 days ago London, England, United Kingdom 1 day ago London, England, United Kingdom 3 days ago London, England, United Kingdom 1 week ago London, England More ❯
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Senior Angular Developer - Shipping, Physical Inventory, Oil | London, UK | Hybrid

London, England, United Kingdom
Hybrid / WFH Options
Harvey Nash
appointments through to recruitment and project solutions, we are ex... Senior Angular Developer - Shipping, Physical Inventory, Oil Harvey Nash London, United Kingdom Principal/Senior UI Software Engineer-HTML5,React,TS,JS-Trading Harvey Nash London, United Kingdom Senior React Developer - Banking, Data Visualisation Harvey Nash London, United Kingdom Senior C++ Developer - Low Latency, Trading Harvey Nash London, United Kingdom More ❯
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Senior .Net C# Software Engineer - Global Energy Co

London, England, United Kingdom
JR United Kingdom
/6. CI/CD pipeline experience, using GitHub Actions or Azure DevOps. Database development skills in SQL, NoSQL, and cloud-native data stores. Front-end development experience using React, with a solid grasp of UI/UX design and usability principles. Proven experience in Agile teams, applying modern architecture, design patterns, unit testing, and maintaining high code quality standards. … Domain experience in the energy sector (e.g., downstream, upstream, integrated gas, energy trading, renewables & energy solutions). Familiarity with Redux in React-based front-end development. Experience with messaging systems such as Kafka, RabbitMQ, or Azure Service Bus. Proficiency in Microservices and Cloud-Native Architecture. This role requires a positive attitude and the ability to work within a large, globally More ❯
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React
London
10th Percentile
£56,250
25th Percentile
£67,500
Median
£95,000
75th Percentile
£117,500
90th Percentile
£137,500