101 to 125 of 242 React Jobs in the Thames Valley

in that environment Leading software deliverables Developing and maintaining multiple connected software solutions Web applications experience using C#, ASP.NET, MVC Modern web application development architectures and frameworks such as React JS Excellent skills in SQL Server Ability to select and use the most appropriate tools, technologies, and languages for the job Team-oriented, with a willingness to work as part More ❯

AI models. Qualifications: Fluency in English (native or bilingual level). Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift. Excellent writing and grammar skills. A bachelor s degree (completed or in progress). Previous experience as a Software Developer, Coder, Software Engineer, or Programmer More ❯

products or features from ideation to production and you've measured their impact. You have experience with the following technologies (or similar): Python, FastAPI, Postgres, ElasticSearch, RabbitMQ, LLMs, Typescript, React You enjoy diving deep into the domain, understanding the problem, and focusing on delivering value to the customer. You thrive in a fast paced environment. Additional Perks: Private healthcare insurance. More ❯

Take part in continuous improvement of the development process Essential Technical Skills · Language - JavaScript, NodeJS, Typescript · Framework - NestJS/Express/Microservices · Testing - Jest/Mocha/Cypress/React testing Library · API – OpenAPI/GraphQL/GRPC · Messaging - AMQP/RabbitMQ/Kafka · Data Storage - MongoDB/Mongoose · Web UI - Angular/ReactJS/Svelte/Webpack/HTML More ❯

Job Summary: The Trading and Risk Management System (TRMS) team is responsible for developing, supporting and maintaining our front and back office trading web applications using Python, the proprietary Beacon Dependency Graph and Glint, the Beacon UI framework. The successful More ❯

We are partnered with a high-growth, VC-funded Data Intelligence platform. They are looking for passionate, dynamic engineers with start-up experience. Details: Full Stack Environment: TypeScript, Node.js, React (Redux/Context API). A role focusing on full-stack architecture with some Data Pipelining. Location: Paddington, 3 days a week on site. Why join this company? High-growth More ❯

Role : Java Software Engineer 💰 Salary: Up to £95,000 +10% Bonus 🌍 Location: London (2 days a week) 🛠 Key Skills: Java 17+, SpringBoot, React/Typescript, AWS This is a great opportunity for a Senior Java Software Engineer to a travel experiences business. You’ll lead backend services and API integrations with a huge number of 3rd party’s across their More ❯

or Java * Work across enterprise and digital applications such as Web, Mobile and Desktop! * Implement leading and Open-Source tooling and best processes (GIT, Jenkins, JIRA, Cucumber) * Work on React and Node JS stack * Collaborate with developers and business/product owner to clarify requirements, especially in terms of testability and completeness What you'll bring: * A deep level understanding More ❯

build out the department - respect and trust from day one. 🛠️ Core Stack: Django + Python (this is a Django shop through and through) HTMX for reactive UI without the React overhead Bootstrap → TypeScript migration happening now Vanilla JS where needed AWS for infrastructure Server-side rendering philosophy 🏗️ What You'll Actually Build The Internal Production Platform: Custom-built management system More ❯

I need 3 to 8 years of hands-on full-stack experience building production products Strong backend experience in Python and SQL, or strong frontend experience in TypeScript + React (we value either path; full-stack candidates ideal) Comfortable reading and improving C, Rust, or low-level systems components is a plus Product minded: you care about UX, reliability and More ❯

wallets Strong problem-solving and communication skills, with the ability to translate business objectives into robust technical solutions Experience with REST APIs, SQL, and modern web technologies (JavaScript/React/Python/Postman API preferred) Familiarity with payment gateways, transaction routing and compliance frameworks (e.g. PCI DSS, PSD2, or Open Banking) is a strong plus If you’re passionate More ❯

or Azure. A desire to work collaboratively in a team and an ability to communicate effectively with both technical and business stakeholders. Nice to Have: Experience with Vue, Nuxt, React, or Next. Experience or a strong interest in Fintech. Why You'll Love Working Here Exceptional Impact: Be the biggest single influence on the system and technology direction. Unrivaled Learning More ❯

re building cutting-edge technology that leverages the latest advances in AI to solve high-impact problems. 🛠️ Tech Stack: Python - core backend and ML integration TypeScript/Node.js/React - full-stack development AWS - scalable, production-grade infrastructure This is a hands-on role where you’ll work across the stack and have real influence over the architecture, tooling, and More ❯

deployed to users Strong understanding of product development and navigating large codebases Located in London/Paris and open to working in office Tech Stack: Python FastAPI Typescript + React Open source LLMs On premise deployments Benefits Currently Offered (likely to improve as company grows): 100% coverage for travel expenses Childcare support Min. 3 months fully paid parental leave More ❯

. AI Dev Tools: LangChain or CrewAI (orchestration), MCP servers (integration), GitHub Copilot/Claude Code. Infrastructure: AWS (serverless functions), Docker (primarily for custom MCPs). Frontend (when needed): React/Next.js (for dashboards/admins, used selectively). Competencies & Behaviours Communicates clearly with technical and non-technical teammates. Takes ownership from concept to deploy and through maintenance. Balances technical More ❯

through code, PR reviews, and knowledge sharing. Continuously improve our engineering approach by actively engaging in retrospectives and contributing ideas to elevate the team. ‍ The tech Our stack includes React, TypeScript, GraphQL, REST, Express, Relay, Prisma, Redis, Postgres, AWS and Styled Components. We like to experiment with different technologies and libraries, particularly when building proof of concepts. Make your case More ❯

in high-trust, high-stakes environments. What you’ll do Build end-to-end web applications and APIs used by thousands across secure environments. Ship modern TypeScript apps with React (Vite/Material-UI) and backends in Node.js/Express (bonus: C#/.NET or Python/Django ). Design and document clean REST/JSON interfaces; test with Postman … and TDD ; instrument apps for observability and performance . Collaborate with product, platform, and security teams to meet operational and compliance requirements. The toolkit you’ll use Frontend: TypeScript, React.js, Vite, Material-UI, HTML5, CSS Backend: Node.js, Express.js (nice-to-have: C#/.NET, Python/Django) APIs & Data: REST/JSON, SQL, PostgreSQL/Postgres , databases DevOps: CI/… TDD , Git-based workflows Must-have experience Proven delivery of full-stack web applications (frontend + backend + API) from design to production deployment . Hands-on with TypeScript , React , Node/Express , SQL/PostgreSQL , Docker , CI/CD . Building and consuming RESTful APIs ; JSON schemas; integration testing. Comfortable in AWS and modern Infrastructure-as-Code approaches. Strong More ❯

Database Management: Design, optimize, and 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 Ads, HMRC, etc... Code Quality … in Computer Science or related 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 experience with PostgreSQL/SQL More ❯

proactive, and comfortable wearing multiple hats A genuine interest in building meaningful products in a collaborative environment Nice to have Exposure to modern frontend technologies like TypeScript, JavaScript, and React Professional experience with ERP systems , ideally around inventory, warehouse, and logistics features Experience in fast-paced, early-stage startup environments Why Join? Backing from a globally recognised VC High impact More ❯

the "start-up" wave, from growth in headcount, funding, or ARR! 1.5+ years of experience in a full-stack or product-focused software engineering position. Strong proficiency with TypeScript, React, Next.js, and Node.js (or similar frameworks). Comfortable in fast-moving environments with evolving priorities and ambitious goals. Curious, resourceful, and eager to learn about emerging AI technologies. Bonus: experience More ❯

model outputs through APIs. Partner with product teams to bring ML-powered insights into real customer-facing products. 💡 Tech Stack They keep things lean and modern: Front-end: TypeScript, React, Next.js, Tailwind CSS Back-end: Go Infra: Google Cloud Platform AI: Claude, Gemini, GPT (integrated for LLM-powered features) For this role, Python will be your main playground — no need More ❯

Excellent communication skills and the ability to flourish in a team Located in London/Paris and open to working in office Tech Stack: Python FastAPI Python, Typescript, or React Open source LLMs Building for production Benefits Currently Offered (likely to improve as company grows): 100% coverage for travel expenses Childcare support Min. 3 months fully paid parental leave More ❯

and maintain our subsystems. We’re doing all of this against a backdrop of continuous innovation and refinement. The Role We are looking for a Fullstack Engineer (Go + React) to help scale and evolve the core Xapien platform as we grow rapidly. Working directly with our Head of Engineering , you will play a key role in shaping the future … clean, maintainable code. Here’s what you will be responsible for: Designing and building scalable microservices in Go, as part of a growing platform architecture. Developing intuitive and performant React components to enhance our frontend experience. Collaborating closely with product and design teams to turn complex user needs into elegant technical solutions. Writing clean, testable, and maintainable code across the …/CD pipelines, observability, and automation alongside platform engineers. Your Skills & Experience: Must-haves to be successful in this role: Strong experience writing backend services in Go. Proficiency in React and modern JavaScript/TypeScript. Solid understanding of microservices architecture, RESTful APIs, and service-to-service communication. Experience working with cloud infrastructure (e.g. AWS, GCP or Azure). Strong grasp More ❯

proprietary workflow engine built around a Scheme-based workflow notation. Our frontend systems include our clean, simple web portal for client order capture and reporting, built in TypeScript and React; with server-side REST and GraphQL APIs written in Python3. What we’re looking for... Essential skills and experience: 5+ years experience of developing complex applications using an OO language …/ECS, RDS, S3 Experience using DataDog or similar observability tools Knowledge of containerisation: Docker, Kubernetes, AWS Fargate etc Any experience of front-end or fullstack development using TypeScript & React Experience building software for financial services and/or investment management organisations We don’t expect candidates to have knowledge of all of the above, but we hope you’re More ❯

role in designing, building, and optimising services that power our EV testing, reporting, and data-sharing products. This role is primarily backend-focused, but familiarity with modern frontend frameworks (React/React Native/Next.js) is a bonus. Key Responsibilities Develop and maintain robust, high-performance .NET 8+ APIs and services. Work with Azure Functions , Blob Storage , Queues , and SQL … end-to-end ownership. Passion for clean architecture, performance, and testable code. Interest in the EV, sustainability, or data analytics space is a plus. Nice to Have Experience with React/Next.js/React Native or TypeScript . Experience integrating third-party APIs (OEM, OBD, or telematics data). Familiarity with data pipelines and event-driven design. Understanding of CI More ❯