301 to 325 of 568 React Jobs in England

Experience taking LLM or agent-based systems into production – Strong understanding of system design: orchestration, memory, deployment, monitoring – Exposure to tools such as LangGraph, ReAct, CoT — or building similar systems from scratch – Familiar with PyTorch/TensorFlow, RAG architectures, vector databases, modern cloud infra – Experience in startup or consulting environments ...

Staff Software Engineer | Golang & TypeScript/React | London (Hybrid) | Agentic AI £120,000 + equity (flexible depending on experience) We’re working with a fast-paced, early-stage startup building an agentic AI product designed to automate complex workflows and decision-making in real-world environments. It’s still early ...

pipelines What You'll Work With Python backend services LLM orchestration layers Vector databases (Pinecone, pgvector or similar) API integrations (CRMs, property systems) TypeScript React Next.js Nice to Haves Voice and telephony systems (Twilio, SIP, WebRTC) STT/TTS pipelines (Deepgram, ElevenLabs or similar) Messaging integrations (WhatsApp Business API) Observability ...

agreed deliverables Understand a variety of testing methods including the current/latest testing methods and tools Experience in testing JavaScript and React-based applications Experience in functional and integration testing of Salesforce applications Knowledge of software best practices like test-driven development (TDD), behavioural driven development (BDD), continuous integration ...

what you’ve made •⁠ ⁠Have strong core engineering fundamentals and the ability to learn new languages quickly (our current stack includes TypeScript/React, Python, and PostgreSQL) •⁠ ⁠Already use AI coding tools (e.g. Cursor, Claude Code, Copilot) to materially increase output •⁠ ⁠Thrive being given problems and architecting solutions, not waiting ...

user stories for new platform capabilities and technical enhancements. Partnering with engineering to shape pragmatic, scalable solutions across our Ruby on Rails and React/Angular stack. Driving platform quality by ensuring initiatives include robust observability, monitoring, and security considerations. Collaborating with multiple "spoke" product teams to unblock delivery ...

user stories for new platform capabilities and technical enhancements. Partnering with engineering to shape pragmatic, scalable solutions across our Ruby on Rails and React/Angular stack. Driving platform quality by ensuring initiatives include robust observability, monitoring, and security considerations. Collaborating with multiple "spoke" product teams to unblock delivery ...

user stories for new platform capabilities and technical enhancements. Partnering with engineering to shape pragmatic, scalable solutions across our Ruby on Rails and React/Angular stack. Driving platform quality by ensuring initiatives include robust observability, monitoring, and security considerations. Collaborating with multiple "spoke" product teams to unblock delivery ...

annum + benefits Requirements for Mid to Senior Front-End Developer: Strong commercial experience in front-end development using either React or Angular Proven ability to take front-end applications from early prototype through to production deployment Solid understanding of modern front-end architecture, state management, and tooling Experience working … portfolio of work is beneficial Responsibilities for Mid to Senior Front-End Developer: Design, build, and maintain modern front-end applications using React or Angular Take ownership of development from early-stage prototypes through to full production systems Collaborate closely with back-end engineers and technical specialists Translate complex technical ...

Senior Full-Stack Web Application Developer Role: Senior Web Application Developer (Full-Stack) Specialism(s): eCommerce, ASP.NET MVC 5, C#, React, Migrations, Microsites, Cloud-Native, HTML5/CSS3/JavaScript, API, CI/CD, IoC Containers, Agile Type: Contract, Daily Rate Duration: 3+ Months Location: London Pay Rate … supporting the journey toward a fully cloud-ready environment. Role Requirements * Develop and maintain complex web solutions using ASP.NET MVC 5, C#, and React * Support migration activities, ensuring clean architecture, scalable design, and efficient implementation * Produce secure, maintainable, scalable, and fault-tolerant code following SOLID principles and OO design patterns ...

maintaining high-performance, secure, and scalable CRM features across both frontend and backend systems. The ideal candidate will have strong experience with TypeScript, Node.js, React, and cloud-based architectures, along with experience working in microservices environments, building APIs, and managing customer-centric data systems. This position is offered … Design, develop, and maintain CRM platform features across the full stack Build scalable backend services using Node.js and TypeScript Develop modern user interfaces using React and Next.js Design and maintain relational and document databases (PostgreSQL, MongoDB) Build secure and performant RESTful APIs Implement scalable backend services and microservices Optimise application ...

Database Technologies (SQL Server, PL/SQL, T-SQL, SQL Server Management Studio - SSIS), ETL, Integration Platforms, Agile and Frontend Development (JavaScript/jQuery, React, Blazor) and Software Testing for this long-term and critical development programme. This is a hands-on role, so you MUST be a strong coder … Database Technologies, SQL Server, PL/SQL, T-SQL, SQL Server Management Studio, SSIS, Power BI, ETL, Integration Platforms, Agile, Frontend Development, JavaScript, jQuery, React, Blazor, Software Testing, AWS, Azure, Cloud, CI/CD, DevOps, Software Architecture, Design Patterns. The role comes with an incredibly competitive salary and a strong ...

backend services using modern frameworks and languages (e.g. Python, Node.js, C++). • Develop clean, responsive front-end interfaces using frameworks like Vue.js or React, to present complex datasets and user workflows. • Collaborate with data scientists and engineers to integrate ML models, ETL pipelines, and cloud-based data storage solutions. • Optimise … lakes). • Experience of working as part of a team to deliver software products. • Proficient in modern front-end technologies (HTML/CSS, JavaScript, React or similar). • Experience working with containerised applications (e.g. Docker compose, Swarm or Kubernetes) in a Linux-based environment. • Solid understanding of RESTful API design ...

ticket-taker. You can go from a rough CEO brief on Monday to a shipped product by Friday. Specifically: Full-stack fluency — React, Node, Python, modern deployment (Vercel/Netlify, Supabase, serverless). You own the whole surface from UI to infrastructure AI-native — you've built with Anthropic … work directly with the CEO, strategists, and clients. Your decisions ship Qualifications Proficient in front-end development: HTML, CSS, and modern JavaScript frameworks (React preferred) Skilled in back-end development: server-side languages, database management, API design Proven full-stack delivery — end-to-end ownership from architecture to deployment Strong ...

applications are developed according to the project requirements and objectives. Other accountabilities will include: Using various programming languages to support full-stack website development: React (Next.js experience preferable), Redux (or similar framework), React Component Frameworks (such as MUI/Tailwind), .NET/C#, SQL, RESTful/WebAPI development, Git, Headless … using HTML and Javascript. CyberSecurity OWASP Top 10 The Ideal Candidate You will have already worked as an Application Developer with proven experience in React and .NET. Additional experience with c#, HTML, JavaScript and CSS would of advantage. Ideally, you would have experience in working on a digital customer-facing ...

Description Senior Front End Developer (React) Permanent UK-Based - West Midlands (Hybrid working) SC Clearance Eligible TXP is expanding its front-end engineering capability and is looking for an experienced Senior Front End Developer to join our growing delivery teams.This is an opportunity to work on complex, modern applications … Senior Front End Developer, you’ll be hands-on across the full software development lifecycle, contributing to design, development, testing and deployment of React-based applications.You’ll take ownership of technical delivery, support best practice, and work closely with other developers, testers and stakeholders to deliver robust, high-quality solutions. ...

tech stack and be proactive in learning new technologies. You will have a learning and development budget to support this. Python, Java, TypeScript, JavaScript React, Angular, React Kubernetes (k8s) Docker AWS, Azure Elasticsearch, MERN, Neo4J Benefits Excellent company benefits including significant pension contributions, BUPA, equity and training allowance. Application ...

Working with designers on UI/UX Testing and deploying releases Developing your own skills and knowledge to meet project needs Useful experience Node.js React/React Native MySQL/PostgreSQL Typescript Serverless/Lambda Version control - Git AWS cloud/CDK Jest HTML/CSS/JS/SASS ...

industry leading global financial and technology organisation are looking for Senior Java Software Engineers with 7+ years’ experience, who have some experience in React or similar, plus modern JavaScript/TypeScript, who like to innovate and be part of a team creating next-generation investment finance technology. Based in London … using API-First principles. Design, develop, and implement secure, scalable, and reliable micro-services to deliver client-facing applications using a Java backend and React frontend. Optimize performance and reliability through continuous testing, debugging, and refinement. Stay abreast of industry trends and emerging technologies to drive innovation and maintain ...

them into technical specifications. Design, develop, and implement secure, scalable, and reliable micro‐services to deliver client‐facing applications using a Java backend and React frontend. Optimize performance and reliability through continuous testing, debugging, and refinement. Stay abreast of industry trends and emerging technologies to drive innovation and maintain … development practices and tools for code generation and testing. Strong proficiency in Java and related frameworks (e.g., Spring Boot, Hibernate). Some experience in React or similar, and modern JavaScript/TypeScript. Solid experience with object‐oriented design and applying standard design patterns Experience designing, building, and deploying scalable microservices ...

Front End React Developer, React, Javascript, NW London to £75K A leading financial software company are looking for a Front End JavaScript developer who is proficient with React.js. The role is Offcie based in North West London, Your primary focus will be on developing user interface components and implementing them … following well-known React.js workflows, specifically Redux and RTK. You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design ...

diagnosed the problems, fixed them, and unlocked the next phase of growth. This is about scaling products, not just teams. Tech Stack: Python · FastAPI · React · TypeScript · GCP Salary: £190,000 - £270,000 + Equity Working Arrangements: 3 days per week in Central London office Why it might interest ...

enjoys creating, testing, and improving things Comfortable working in a more entrepreneurial, less structured environment Strong academic background preferred Useful experience may include: FastAPI, React, TypeScript, Streamlit, APIs LLMs, RAG, agentic workflows, automation tools Internal tools, dashboards, workflow systems, CRM-type platforms AI-enabled process improvement or business automation This ...

performance scalability and commercial impact Tech environment You will work with a mix of the following technologiesLinux Debian and UbuntuApache and MySQLPython PHP Bash ReactJS NodeJSCI CD pipelines Bitbucket JiraTesting frameworks such as Pytest Jest Cypress or XrayIP networking VoIP and distributed systems What we are looking for Strong commercial ...

measured on your impact Low ego and self-critical, open to feedback Give honest feedback directly and kindly Preferred Skills A TypeScript monorepo, React, tRPC and Tailwind Inngest for background jobs and event-driven workflows Deployed on Google Cloud Platform with Postgres Pay range and compensation package ...