26 to 50 of 81 React Jobs in Central London

skills, including APIs, background jobs and integrations. Strong SQL skills and experience investigating and reconciling data across systems. Experience building straightforward web interfaces using React, Next.js or similar tools. Familiarity with testing, version control, deployment and monitoring. Sound judgement about implementation choices, trade-offs and ongoing maintenance. Experience with Salesforce ...

right solution. You have solid experience with Python, along with front-end skills across HTML, CSS and JavaScript (or a modern framework such as React). You understand principles of good code structure and write clean, maintainable code, and you can spot and fix technical debt in the classes … What we're looking for: Must have skills/experience: Python Front-end development skills (HTML, CSS, JavaScript, or a modern framework such as React) Unit testing experience (Playwright) Teamwork Fast learner Advantageous skills/experience: Java TypeScript (React) Relational/Vector/NoSQL Databases AWS (S3, lambda) Modern ...

maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full‐Stack Development: Develop responsive and performant front‐end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect and maintain integrations with external APIs such as AWS, Stripe, Zendesk, Twilio, Google Analytics, Google … field from a Tier 1 university. Experience: Minimum of 4 years of full‐time professional experience in software development, with strong expertise in TypeScript, ReactJS, and Next.JS. Solid experience in building RESTful APIs Leadership: Proven track record of leading development teams and managing large‐scale projects. Database Expertise: In‐depth ...

them in their key skills, accountabilities and development areas. Desirable Skills: 5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Strong experience in working with Azure (preferably certified) including App Services, Azure Function, Service Bus Experience leading and mentoring … driven development tools such as Claude Experience developing REST API-driven mobile first web applications Experience of frontend application development, with a focus on React.js, Next.js and TypeScript Jira, Bitbucket, Git Flow, Confluence, Azure Devops, Azure App Centre, Service Bus Explorer, SSMS and agile software development process/practices ...

Forward Deployed Engineer (AI & Full-Stack) Remote (UK-based) 6-Month Initial Contract £60 per hour (Umbrella) Inside IR35 Stack: Go, React/TypeScript, GCP (Cloud Run, Pub/Sub), PostgreSQL, Automated AI Workflows A well established firm is looking for a hands-on Forward Deployed Engineer to join ...

decisions impacting various components of the business. The ideal candidate has over 4 years of experience in web application development, with strong skills in React and TypeScript, and must be comfortable integrating with AI tooling and databases. This is a hybrid role with competitive salary and benefits. #J-18808-Ljbffr ...

complex technology into products people can easily use. Requirements: Must be based in Singapore 5+ years of experience shipping production software. Strong TypeScript and React/Next.js experience. Backend and API experience, with confidence owning features across the stack. Experience delivering independently or within small teams. Good security judgment ...

Online Filings is seeking a Senior Software Engineer to architect and develop our next-generation web application and API. This role requires technical leadership, hands‐on development, and mentoring of junior developers to ensure scalability ...

Engineer to join the AI Search and Retrieval Context Engineering team, building next‐generation legal AI experiences for law firms. You’ll work on React and TypeScript to create trusted, enterprise‐grade front‐ends integrated with AI retrieval, while collaborating with lawyers and knowledge teams to fit real workflows. ...

users. Based in London with travel to Plymouth, you will contribute to full-stack development and data handling using TypeScript, Node.js/Express and React, while upholding privacy-by-design principles and delivering usable interfaces #J-18808-Ljbffr ...

features you ship will be in clients’ hands the next day. Build and release features across the Dot stack, from Next.js and React through to Node and TypeScript APIs and SQL Own one or two areas of the platform once you’re up to speed, including bugs, support queries ...

maintainable features for the client Digital Onboarding Service using Python on the backend in a serverless and containerized architecture with a NextJS/React client frontend. Design, develop, and maintain scalable RESTful APIs and microservices using Python frameworks such as FastAPI or Flask. Build and support cloud-native solutions leveraging … services including Lambda, ECS Fargate, API Gateway, DynamoDB, S3, Secrets Manager, and CloudWatch. Work closely with the Lead React Engineer, Technical Architects, and Engineering teams to implement technical designs, architectural patterns, and coding standards. Collaborate with product managers, designers, and client stakeholders to translate business requirements into robust technical solutions. ...

drive change and help transform organisations and problem domains. Role We are seeking a highly skilled Senior Fullstack Developer with deep expertise in React and strong experience deploying applications to cloud platforms, ideally Microsoft Azure (AWS experience also welcome). This role will focus on building, deploying, and optimising scalable … cloud specialists, and AI teams to deliver intelligent, production-ready applications at scale. Key Responsibilities Design, build, and maintain scalable front-end applications using React, python and modern JavaScript/TypeScript. Build front-end solutions that support high data throughput, performance optimisation, and responsiveness at scale. Collaborate on the deployment ...

Group Overview The TP ICAP Group is a world‐leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of ...

Unknown is seeking a Front End Engineer to join our data-driven finance team. Based in Liverpool or London with a hybrid working pattern, this 12-month fixed-term contract focuses on building responsive, data ...

renewable energy startup located in London is seeking a skilled Web Developer to create and maintain responsive applications using modern technologies like React and TypeScript. The ideal candidate should have over 5 years of experience in web development, proven success in launching consumer-facing products, and strong collaboration skills. This ...

Responsibilities UI Architecture & Technical Leadership Define and drive enterprise-wide UI engineering, frontend standards, and best practices. Deliver and implement scalable frontend solutions using React, Next.js, TypeScript, JavaScript, HTML5, and CSS3. Design reusable component libraries, design systems, and micro-frontend architectures. Establish best practices for performance optimization, accessibility (WCAG …/CD practices using GitHub Actions, Azure DevOps, Jenkins, or equivalent platforms. Establish unit, integration, and end-to-end testing strategies using Jest, React Testing Library, Playwright, or Cypress. Drive Core Web Vitals improvements, bundle optimization, caching, and rendering strategies. Establish frontend code quality, security, and observability standards. Collaborate with ...

Product roadmap Managing a team consisting of a range of skillsets and experience Full stack development, across Python/FastAPI services and React/TypeScript front ends Continuously improving the team's processes for iterative development, including embedding automated testing and CI quality gates into a fast-moving AI product … objectives and assisting with tailored development plans Our engineering environment includes technologies such as Python (FastAPI), LangChain/LangGraph for multi-agent LLM orchestration, React/TypeScript, PostgreSQL, MongoDB, Redis, Azure (App Service, Container Registry, Blob Storage), Docker, GitHub Actions, and modern CI/CD pipelines. About You: You will ...

reduce boilerplate, and focus on solving higher-level technical and creative challenges. What You'll Do Frontend & Visualization Build polished, responsive web interfaces using React, TypeScript, WebGL, and Three.js. Implement advanced visualisation features and interactive 3D content streaming. Collaborate with designers to ensure visual clarity, performance, and intuitive user experience. … Bring 5+ years' experience as a full stack developer in modern web environments, or equivalent practical experience. Advanced proficiency in JavaScript/TypeScript, React, and modern frontend architecture. Strong understanding of WebGL, Three.js, and real-time 3D rendering on the web. Experience integrating web platforms with Unreal Engine and Pixel ...

security are part of the job from day one. Key responsibilities Front-end engineering and product delivery Design, build and improve applications using React and TypeScript. Develop accessible, maintainable front-end experiences using HTML and CSS. Improve front-end performance, reliability and the user experience. Work across the software development … capability and, over time, help build and develop a larger team. Person specification Experience and knowledge, essential Strong commercial experience building production applications in React and TypeScript. Working experience of .NET Core, Node.js, SQL Server and API design using REST and GraphQL. Experience leading technical design and reviewing other engineers ...

Group is seeking a Front-End Engineer to build modern investment analytics applications in the UK. You will craft responsive interfaces using TypeScript and React, delivering intuitive workflows for portfolio comparison, risk and performance analysis. You will integrate with APIs, work with complex datasets, and visualise data with charts ...

software solutions using Python and TypeScript. Building robust backend services and APIs using Python, ideally FastAPI. Creating responsive, maintainable frontend applications using React and TypeScript. Developing and integrating services that connect modern applications with AI-powered capabilities. Designing solutions involving APIs, databases, event-driven architectures and distributed systems. Working with … looking for someone equally comfortable across backend and frontend engineering. Strong commercial Python experience building, deploying and maintaining production services. Excellent TypeScript and React development experience. Experience with FastAPI or similar Python backend frameworks. A strong understanding of software architecture, system design and engineering trade-offs. Solid knowledge of concurrency ...

Infrastructure as Code, CI/CD Use of Middleware and RESTful or GraphQL APIs Microservices and MACH Architectures. HTML, CSS, Javascript frameworks such as React, or Mobile technologies such as SwiftUI, Kotlin, Flutter or React‐native CMS, DXPs and common MarTech SaaS products integration Atlassian, Azure DevOps, GitLab or similar ...

focus, you will design, develop, and maintain high-quality, scalable, and secure systems across the technology stack. You will build modern web applications using React and Next.js, while also contributing to backend services, APIs, databases and deployment pipelines. You will work closely with founders, the growth team, designers and fellow … demands of a rapidly evolving business. Key requirements/What we look for At least five years’ professional software engineering experience. Production experience with React and Next.js. Strong backend development skills, preferably in Python, Django or FastAPI. Experience with databases, Redis, background workers and task queues. Knowledge of Git, Docker ...

Senior Engineer - LMEsmart Shift Pattern: Standard 40 Hour Week (United Kingdom) Scheduled Weekly Hours: 40 Corporate Grade: D - Assistant Vice President Reporting Line: (UK Division) Information Technology Location: UK-London Worker Type: Permanent Overall Purpose ...