1,626 to 1,650 of 4,460 React Jobs in England

/custodial APIs to manage secure wallet operations, policy enforcement, and multi-signature approval flows. Develop and maintain frontend Web3 wallet integrations (e.g., MetaMask, WalletConnect, Ledger) using TypeScript/React, delivering seamless UX and real-time transaction feedback. Build scalable deposit & withdrawal infrastructure, including queueing systems, idempotent webhooks, reconciliations, wallet sweeps, address management, and fee optimization. Embed security and compliance … with Web3 libraries such as ethers.js , web3.js , and experience interacting with RPC APIs Deep understanding of secure wallet management practices and MPC technology Proficiency in front-end development using React and Web3 provider integrations Experience in designing high-availability systems and real-time transaction infrastructure Strong emphasis on security, performance, and scalability Excellent documentation and communication skills What We Offer More ❯

C#/.NET Sound knowledge of front end technologies(JavaScript, HTML5, CSS) Working knowledge of SQL and ability to use within applications Knowledge of JavaScript technologies (e.g. JQuery, Angular, React, Vue) Managing code with source control (e.g. Git, Subversion). Ability to communicate with customers and other departments clearly Desirable: Knowledge of Blazor (WASM) Experience working with .NET MAUI (Multi More ❯

C#/.NET Sound knowledge of front end technologies(JavaScript, HTML5, CSS) Working knowledge of SQL and ability to use within applications Knowledge of JavaScript technologies (e.g. JQuery, Angular, React, Vue) Managing code with source control (e.g. Git, Subversion). Ability to communicate with customers and other departments clearly Desirable: Knowledge of Blazor (WASM) Experience working with .NET MAUI (Multi More ❯

However, this role will offer variety of engaging activities, including; designing solutions at the system and component level, acting as technical authority for relevant software applications, developing applications with React/Typscript/Kotlin, and engaging with key project customer stakeholders. Skills & Experience Essential - Professional Experience developing Full Stack Applications - Experience developing with modern Web Application Frameworks using Typescript - Experience … C#) - Experience designing and implementing SQL databases - Comfortable working in a dynamic environment with regular customer interaction - Willing for occasional travel to West Midlands customer site Desirable - Experience developing React applications with TypeScript - Experience developing applications with Kotlin or Java - Experience using end-to-end UI testing frameworks (e.g. Cypress/Selenium) - Experience leading Development Teams or acting as Technical More ❯

with front office teams (trading, structuring) to support the QES platform. Develops platform and visualization components required by the desk. Utilizes principal technologies such as Java, Python and TypeScript (React) within the team. Required Qualifications, Capabilities, and Skills: Formal training or certification on software engineering concepts and proficient advanced experience Hands-on practical experience delivering system design, application development, testing … planning, retrospectives and reporting progress to senior stakeholders. Preferred Qualifications, Capabilities, and Skills: Experience of working in a front office environment within financial services Knowledge of Java, Python, Typescript, React About Us J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world's most prominent corporations, governments, wealthy individuals and institutional investors. Our More ❯

enjoy the balance between shipping fast and building right, this is your chance to make a real impact. What You’ll Do Build and maintain product features using Next.js, React, and Tailwind CSS Design and implement scalable APIs using Python and Django Collaborate closely with design and product to bring features to life quickly and with attention to detail Write … performance optimization Optional: experiment with GenAI features (e.g. OpenAI fine-tuning, embeddings, intelligent workflows) Must-Have Experience 4+ years of professional software development experience Strong experience with Next.js (or React) and Python/Django Built or maintained a startup SaaS platform (preferably from MVP to scale) Comfortable in a full-stack role with ownership across front and back end Able More ❯

experience in designing, developing, deploying, and maintaining .NET Core applications with modern front-end tech. Key Requirements Strong experience with .NET Core , C#, Web APIs, and SQL Proficient in React.js , JavaScript, HTML/CSS (must-have) Experience with code reviews , refactoring , branching , and DevOps . Cloud experience with Azure ; app migration from on-prem is a plus Strong understanding of More ❯

experience in designing, developing, deploying, and maintaining .NET Core applications with modern front-end tech. Key Requirements Strong experience with .NET Core , C#, Web APIs, and SQL Proficient in React.js , JavaScript, HTML/CSS (must-have) Experience with code reviews , refactoring , branching , and DevOps . Cloud experience with Azure ; app migration from on-prem is a plus Strong understanding of More ❯

in Java 11+/Spring Boot ecosystem, including automated unit/integration testing Respect for clean coding, best practices and Scrum Preferred Qualifications, Capabilities, And Skills Practical Experience with React JS, including automated unit/integration testing will be a plus Knowledge of UX Design Experience with Terraform and AWS Experience with UI testing frameworks (i.e. Cypress) Java certifications About … month ago London, England, United Kingdom 1 week ago London, England, United Kingdom 5 months ago London, England, United Kingdom 1 month ago Software Engineer (Typescript, Node.js, React) London, England, United Kingdom 1 week ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr More ❯

Design and implement scalable architecture with cloud-native tools alongside a collaborative, fast-moving team • Code primarily in Python and C# - with bonus points if you can jump into React.js when needed • Speed up development using Visual Studio Code with GitHub Copilot (or your preferred AI coding assistant) • Work in a tight feedback loop: branch, commit, pull, test, and ship … requests, and test automation using Azure DevOps • An agile, curious mindset - adaptable, collaborative, and eager to explore new ideas and technologies Bonus Points For: • Experience building user interfaces with React.js • A passion for experimenting with emerging AI tools and frameworks Sounds like a good fit? Apply here for a fast-track path to our Leadership Team. Application notice We take More ❯

Design and implement scalable architecture with cloud-native tools alongside a collaborative, fast-moving team • Code primarily in Python and C# - with bonus points if you can jump into React.js when needed • Speed up development using Visual Studio Code with GitHub Copilot (or your preferred AI coding assistant) • Work in a tight feedback loop: branch, commit, pull, test, and ship … requests, and test automation using Azure DevOps • An agile, curious mindset - adaptable, collaborative, and eager to explore new ideas and technologies Bonus Points For: • Experience building user interfaces with React.js • A passion for experimenting with emerging AI tools and frameworks Sounds like a good fit? Apply here for a fast-track path to our Leadership Team. Application notice... We take More ❯

with front office teams (trading, structuring) to support the QES platform. Develops platform and visualization components required by the desk. Utilizes principal technologies such as Java, Python and TypeScript (React) within the team. Required Qualifications, Capabilities, and Skills: Formal training or certification on software engineering concepts and proficient advanced experience Hands-on practical experience delivering system design, application development, testing … planning, retrospectives and reporting progress to senior stakeholders. Preferred Qualifications, Capabilities, and Skills: Experience of working in a front office environment within financial services Knowledge of Java, Python, Typescript, React About Us J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world's most prominent corporations, governments, wealthy individuals and institutional investors. Our More ❯

Delivering Commodities Front Office Risk and PNL projects. Tools Development – Work with stake holders to understand the user needs and lead a team to deliver the functionalities based on React/Typescript based tools. Need to be able to take the “full stack” responsibility. Regularly provides technical guidance and direction to support the business and its technical teams, contractors, and … cloud native experience Experience in Computer Science, Computer Engineering, Mathematics, or a related technical field Ability to lead group or Engineers to reach solution of complex problems Typescript/React based UI development. Full stack development experience for server based UI. Preferred qualifications, capabilities, and skills Agile processes. Knowledge of Athena Knowledgeable in concepts of risk and PNL analytics for More ❯

attention to detail and analytical thinking Ability to work independently and in collaboration with other team members Preferred Qualification REST based Web services Experience with Microservice architecture Experience with React and Angular Experience with Spring, Hibernate, Rabbit MQ, Hazelcast Experience with Gitlab and Kubernetes Basic PL-SQL knowledge to be able to run queries and participate in data analysis Experience More ❯

their requirements, create solutions and to influence business stakeholders. Skills and Technologies Used: DevOps Agile (ideally Scrum or Kanban). C#, ASP, .NET MVC, and Web API/RESTful. React Source Control GIT. Cloud technologies and the use of DevOps tools This is an exciting opportunity to work with a team of inspiring Developers and to make a real life More ❯

variety of tools to help us deliver the right experience for our users at scale, considering best practice accessibility, performance and SEO. Our frontend stack includes multiple applications using React, Next.js and Storybook; using data from API services and a WordPress CMS. Reporting to the team’s Senior UI Developer, a Mid UI Developer is expected to develop, maintain, and … plan new functionality or major enhancements Write and improve technical documentation when necessary Participate in all Agile planning meetings and stand-ups. HTML and CSS/SASS Modern JavaScript React NextJS Good understanding of web standards, accessibility and performance Build tools, such as Webpack Unit testing and Git and NPM/Yarn to manage your work and dependencies Desirable skills More ❯

Python, leveraging frameworks like FastAPI, to support real-time AI applications and large-scale data processing. Build and maintain full stack web applications using modern frameworks and technologies Next.js, React, TypeScript, and Tailwind. Integrate AI models and evaluation systems, working closely with ML teams to enhance agent reasoning, response quality, and decision-making. Manage and optimize cloud infrastructure, ensuring high … backend or full-stack applications, with a strong emphasis on backend engineering. Strong proficiency in Python and backend frameworks such as FastAPI or Flask. Familiarity with frontend technologies (Next.js, React, TypeScript, Tailwind) with an eye for building polished, user-friendly interfaces. Experience making trade-offs between speed and quality in fast-paced environments. A passion for AI and experience working More ❯

focusing on designing, coding, developer testing, and deploying cloud-native applications using modern full-stack technologies. Responsibilities Design develop and maintain robust and scalable web applications using TypeScript/React and Java/Spring Boot. Collaborate with teammates and external teams to define design and ship new features. Build reusable components and front-end libraries for future use. Implement server … and processes Preferred Education Bachelor's Degree Required Technical And Professional Expertise Technical Skills: Foundational knowledge of full-stack development, including both front-end and Back End technologies TypeScript, React, Material UI, Java, Spring Boot, Node JS, REST & GraphQL APIs, Mongo & Neo4J databases Azure/Kubernetes and OpenShift deployment platforms As an equal opportunities' employer, we welcome applications from individuals More ❯

behind what we build; and have a natural curiosity for travel which stretches far beyond the tech. Our stack We actively use: Typescript with Postgres as our core stack. React Native with Expo for our Mobile App. React with Vercel for our Web App. AWS for hosting our infrastructure. Terraform for infrastructure. GitHub Actions for testing and deployment. Sentry and More ❯

analytics. We are seeking a skilled Software Engineer to enhance and expand the product. This role involves building pixel-perfect, interactive, rich-feature, high-performance data visualization dashboards using React, TypeScript, and cutting-edge visualization libraries such as D3.js and Highcharts. You'll collaborate closely with the backend team, data engineers, data analysts, and product team to turn complex datasets … projects, leveraging modern technologies and large-scale datasets. You'll be part of a dynamic team that values innovation, learning, and collaboration. Required Skills & Experience Web Development: Proficient in React and TypeScript. Data Visualization: Experience with libraries such as Highcharts and D3.js. Testing: Familiarity with Jest and Playwright or similar testing frameworks. REST APIs: Strong understanding of integrating and working More ❯

behind what we build; and have a natural curiosity for travel which stretches far beyond the tech. Our stack We actively use: Typescript with Postgres as our core stack. React Native with Expo for our Mobile App. React with Vercel for our Web App. AWS for hosting our infrastructure. Terraform for infrastructure. GitHub Actions for testing and deployment. Sentry and More ❯

everything from the backend, frontend and infrastructure using Kubernetes and AWS then look no furhter! Experience we're looking for Java development with Spring boot Frontend skills - Ideally with React.js (or Angular, Vue.js etc) Advocate for best practices (TDD, Automation, Pair Programming) Collaborative and coachable Strong communication skills Team player Please apply with your CV today to be considered for More ❯

cross functional team Building great user experiences for customers, internal and external Delivering innovation through software to automate processes that enable Funding Circle to operate at scale Using Python, React, Kafka, AWS serverless technologies, Terraform Working with serverless and event driven architectures Proactively problem solving, identifying and confidently mitigating any risks, issues or control weaknesses that arise in your day … to-day What we’re looking for Experience in Python and Javascript is preferred with experience with React Fundamental programming skills (data structures, algorithms) Interest in Serverless architectures Knowledge of cloud-based Infrastructure (AWS API Gateway, Lambda, Cognito, DynamoDB) Experience working with Terraform Openness to learn and work with different technologies Good communication skills, both written and spoken Knowledge of More ❯

Server Source control, ideally Git Experience working within an Agile environment Any experience in the following would be advantageous: .NET 5/6 JavaScript, TypeScript and frameworks such as React.js Docker, Kubernetes NoSQL This is an exciting opportunity to join a rapidly expanding company using the latest tools and technologies. If you are looking for a role of this nature More ❯

required skills: Strong Angular background C# .NET Comprehensive Full Stack Developer experience HTML, CSS Knowledge of RESTful APIs and backend service integration Full Stack Developer bonus skills: Knowledge of React or Vue.js Experience building Microservices This role requires on-site presence in Nottinghamshire twice a month. If this role aligns with your professional background or you believe you are a More ❯