1 to 25 of 73 React Jobs in Watford

backend and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases). Expertise in modern web development with React, Node.js, MongoDB, and SQL (Postgres, MySQL). Strong understanding of Git/GitHub, CI/CD workflows, code branching strategies, and code ownership. Prior work More ❯

/NoSQL databases , Elasticsearch , MongoDB , Spring Boot , REST/GraphQL APIs , and ORM frameworks like Hibernate. Strong proficiency in modern frontend technologies such as React , Redux , Vue , and TypeScript . Solid experience working in Agile/Scrum environments, ideally with globally distributed teams . Hands-on experience deploying applications on More ❯

shape technical architecture, contribute directly to code and collaborate closely with Agile teams to deliver secure and maintainable software solutions. Our projects primarily utilise React and TypeScript for front-end development with varied back-end technologies including Python, Node.js, .NET and Ruby. You'll benefit from robust DevOps support, established More ❯

SC Clearance Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or More ❯

testing frameworks Proficient with SQL Server and database design Experience developing RESTful APIs and web services Frontend: Strong experience with a modern frontend framework (React, Vue, Angular) and TypeScript Understanding of modern frontend development practices Experience with component-based architecture General: Experience with Git version control Familiarity with Azure cloud More ❯

Object-Oriented Design , and a passion for learning and embracing new tech. Languages : ? Ruby-on-Rails, Java, Python, C# ? VueJs, Typescript/Angular/React Cloud : ? Amazon Web Services (AWS) Databases : Additional Tools & Frameworks : ? GraphQL ? REST APIs ? Software Design Patterns – TDD, DDD ? Agile methodologies: Scrum and Kanban Key Responsibilities : Full More ❯

be taught the rest, Strong object orientated design is a must. Languages : ? Ruby-on-Rails, Java, Python, C#, PHP ? VueJs, Typescript/Angular/React Cloud : ? Amazon Web Services (AWS) Databases : Additional Tools & Frameworks : ? GraphQL ? REST APIs ? Software Design Patterns – TDD, DDD ? Agile methodologies: Scrum and Kanban Key Responsibilities : Full More ❯

work Strong knowledge of NodeJS and have experience building/maintaining a Node backend Strong knowledge of Typescript or another typed programming language Good React knowledge Good understanding of MySQL or a similar relational database Experience using Elasticsearch or a similar NoSQL database Experience working with messaging systems/pub More ❯

shore and off-shore development teams. Technical Skills Extensive experience with front-end technologies such HTML5, CSS3, JavaScript (ES6+) and modern JavaScript frameworks e.g. React, Angular or Vue.js. Proficiency in back-end development using Node.js or similar technologies. Experience with responsive design, Progressive Web Apps (PWA's) and mobile-first More ❯

shore and offshore development teams. Technical Skills Extensive experience with front-end technologies such as HTML5, CSS3, JavaScript (ES6+) and modern JavaScript frameworks (e.g. React, Angular, or Vue.js). Proficiency in back-end development using Node.js or similar technologies. Experience with responsive design, Progressive Web Apps (PWAs), mobile-first development More ❯

like Terraform Strong grasp of modern dev methodologies and design patterns Exposure to containerisation and CI/CD tooling Bonus: Familiarity with Go, Python, React, TypeScript, Node.js ?️ Location : Hybrid - 2 days a week in London This is a high-impact role in a growing company where your technical voice will More ❯

as ECS, EC2, and infrastructure as code tools like Terraform and Docker. Proficiency in modern development stacks, with a preference for Node.js, TypeScript, and React Experience working with cloud platforms and real-time databases, including GCP, Firebase, and AWS. Proficient in designing, developing, and working with REST APIs and AWS More ❯

weaknesses Experience with PHP frameworks like Symfony and Laravel Languages: PHP, Ruby-on-Rails, Java, Python, C# Frameworks & Tools: Vue.js, TypeScript/Angular/React, AWS, GraphQL, REST APIs, TDD, DDD, Agile (Scrum, Kanban) About You Self-motivated and independent worker Passionate about writing clean, reusable code Excellent communication and More ❯

a senior or lead software engineer in a product centric environment Expert in at least one of Dart or TypeScript—and familiar with Flutter, React or Node.js Strong knowledge of SOLID principles, Clean Code and modern testing practices (TDD etc.) Proficiency in Agile, Lean and OKRs; you know how to More ❯

Social network you want to login/join with: Senior React Developer, watford, hertfordshire col-narrow-left Client: Cognitive Group | Part of the Focus Cloud Group Location: watford, hertfordshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 04.06.2025 Expiry Date: 19.07.2025 … col-wide Job Description: We are seeking a skilled and experienced Senior React Developer to join a high-performing data and digital engineering team on a strategic project for a leading UK bank. This role is delivered via a top-tier consultancy and involves the development of enterprise-grade web … applications within a cloud-first architecture. Key Responsibilities: Build and maintain scalable web applications using React.js within a full-stack environment. Collaborate with cross-functional teams including designers, backend developers, and business stakeholders. Develop responsive, accessible, and high-performance user interfaces. Integrate with RESTful APIs and cloud-based services. Participate More ❯

thinking , and customer-facing communication . ?️ What You’ll Work With: Backend and integration work with Python , Node.js , and TypeScript Front-end work using React Cloud infrastructure via AWS APIs, data pipelines, and custom tooling for real-world deployments Opportunity to work with ML/AI systems at the integration More ❯

innovation, emphasizing a product approach centered around end users. This is a full-stack role, leaning towards backend development. Their tech stack includes: Python React/TypeScript Node.js AWS GenAI Experience with another backend language (Ruby, C++, Elixir, Haskell, Go, Clojure, or Scala) is a plus. They are also heavily More ❯

now and ambitious enough to scale up later. Must-Haves 4+ years of experience building production-grade web apps Proficiency in modern JS frameworks (React or similar) using TypeScript and integrating with APIs Proficient in modern CSS and utilising frameworks such as Tailwind Confidence working across the stack (Node.js, Postgres More ❯

to delivering high-performance user interfaces helping define the technical direction of a rapidly evolving product. Responsibilities Lead full-stack development using NestJS, MongoDB, React, and TypeScript. Integrate and manage third-party APIs, including Meta’s API and a separate API for aggregating social media data. Contribute to system architecture More ❯

Development (TDD) using JUnit, Mockito CI/CD: Experience with Jenkins or similar pipelines Collaboration: Agile working with cross-functional teams Frontend experience with React & TypeScript Messaging: Kafka Build tools: Gradle API Design: Swagger/OpenAPI This role is ideal for engineers looking to build on their SC clearance and More ❯

and peer reviews Stay ahead of industry trends and mentor team members What they are Looking For: 10+ years of development experience (Solidity, Node.js, React, etc.) Strong database and version control expertise (Git, PostgreSQL) Agile team player with project management skills Bonus: Go, Rust, Swift, or Unity experience Please note More ❯

and frameworks such as Laravel or Symfony Proficiency in JavaScript/TypeScript, with experience in NodeJS frameworks like NestJS and front-end frameworks like React.js Experience building platforms using event-based architecture and CQRS Experience working with AWS services such as Aurora, MSK Kafka, ECS, and EMR Ability to write More ❯

rising to 30), Health Insurance, Personal development budget, flexible work location (1 month remote per year), health and wellness benefits. Desirable skills: Django, Flask, React.js, Vue.js, AWS, NoSQL, Grafana, GitLab, cloud technologies. #J-18808-Ljbffr More ❯

components, set standards, and help scale a platform that enhances pet healthcare connectivity and transparency. Essential qualifications: 5+ years frontend development experience, especially with React and TypeScript Strong understanding of frontend architecture, performance optimization, and accessibility Experience in startups or fast-paced product environments Excellent collaboration skills with designers and More ❯

and algorithms. High proficiency in Python. Familiarity with front-end and back-end development and full-stack frameworks. Experience in web development (TypeScript/React) – nice to have. The company values relevant degrees from top universities and/or experience in an AI-led business, along with a desire to More ❯