276 to 300 of 571 Permanent React Jobs

Opportunity We are partnering with an innovative and fast-growing technology business to recruit a Senior Frontend Developer with deep expertise in React and React Native. This is a key hire within the engineering team, suited to someone who can take ownership of core frontend areas, work independently, and confidently … deliver complex features from development through to release. Key Responsibilities Develop and maintain web applications (React/Next.js) and mobile apps (React Native/Expo) Take ownership of features from concept through to production release (including App Store deployment) Design and implement robust frontend architecture and integration layers Manage authentication ...

clients.Day to day, you'll work across the full delivery lifecycle: designing multi-agent orchestration pipelines and RAG patterns on the backend, building performant React frontends that surface AI-driven insights, and collaborating with customers, product owners, and infrastructure specialists to integrate generative AI into real business workflows. … engineering strategies within Azure’s enterprise AI ecosystem (Azure OpenAI, Azure AI Search, Document Intelligence) Establish and enforce best practices for the TypeScript/React frontend, ensuring a highly performant, accessible, and intuitive user experience for AI-driven tooling, including real-time streaming interfaces and interactive data visualisations Lead ...

infrastructure such as billing systems, operational tooling, and internal platforms Working closely with founders and customers to shape the product direction Tech Stack Frontend: React, React Native, TypeScript Backend: Python, FastAPI, PostgreSQL Infrastructure: GCP, Terraform, Airflow AI: LLM integrations and AI-driven automation What They're Looking For Experience ...

determining how they can be implemented across. Help improve engineering productivity and processes through AI-enabled development practices. Core Experience in Devops, Cloud, Python, React & Javascript. If this sounds like an interesting opportunity to you, feel free to apply for this position or drop me your CV at mohammad.sobee@harveynash.com ...

make an impact. Key Responsibilities: Lead end-to-end ecommerce solution delivery , ensuring high-quality design and implementation Architect and develop using Node.js, React.js, GraphQL, TypeScript, and Lambda Enable AI integration across design, development, and testing Manage order orchestration workflows (Order-to-Cash) and middleware (Kafka) Mentor and guide development ...

Engineer/Tech Lead (Backend) Salary range: 100-120k Location : Central London (x2 days per week onsite - Tues & Thurs) Tech stack includes : TypeScript, React, AWS Lambda, TypeScript, Node.js, PostgreSQL. Current team size : x6 Engineers + Head of Engineering We're working with a SaaS startup company in the hospitality ...

SharePoint. Strong knowledge of programming language with expertise in web development. Experience with client-side and front-end frameworks such as jQuery, Bootstrap, React, and Angular. ...

teams Contribute to code reviews, architecture discussions and best practices Work in a team that values shared ownership rather than hierarchy Tech Environment JavaScript, React, PHP, MySQL MVC frameworks and modern frontend frameworks Git, testing frameworks and clean coding practices What We're Looking For Commercial software development experience Experience ...

moving environment Work directly with product and commercial teams on high-impact problems Stack Backend in Ruby, Python and Rust Frontend in TypeScript/React Heavy use of AI coding tools (Claude Code, Cursor, etc.) The stack will evolve – they care more about how you think than what ...

productivity, team design, and delivery Experience in modern product environments where quality, performance, security, and observability matter Exposure to technologies such as PHP, Node, React, Python, MySQL, and AWS is helpful, but this is not a language-led search ...

workflows (streaming, async processing, state-heavy systems). • Support and elevate the team through mentorship, collaboration, and thoughtful code reviews. Tech environment: • Frontend: TypeScript, React, Next.js. • Backend: Python (FastAPI or similar), async programming, API design. • Data: Postgres, schema design, performance tuning. • Auth: OAuth/OIDC, JWT, RBAC/ABAC. ...

Staff Software Engineer | Golang & TypeScript/React | London (Hybrid) Salary: £115,000 + equity (+/- 10% DOE) We’re working with an early-stage product company building a platform that sits at the intersection of data, automation, and decision-making. The team is tackling a complex problem around ...

Role Build full-stack, production AI applications from first architecture through to customer-facing delivery. Develop backend, infrastructure, and frontend components using Python, FastAPI, React, TypeScript, and cloud platforms. Deploy GenAI and LLM-based systems, including evaluation, observability, and agent-based workflows. Operate in cross-functional pods embedded into portfolio ...

Actively experiment with and refine AI-assisted development workflows Have built LLM-powered systems or AI agents in production environments Tech Stack TypeScript monorepo React, tRPC, Tailwind Event-driven workflows and background jobs Deployed on Google Cloud Platform Postgres What’s On Offer £100,000 – £150,000 base salary (depending ...

Looking For A strong engineering foundation. You've shipped production software — ideally full-stack, with experience in the kinds of technologies our team uses (React, Node.js/Python, cloud infrastructure). You can hold a technical conversation at depth and earn the respect of the engineers you lead. Proven people ...

technologies, with a primary focus on WordPress & Shopify (but there are plenty of opportunities to pick up other platforms such as Laravel and React if you are interested). Key responsibilities As a Web Developer, you will be supporting and leading projects; working with the team and clients to produce ...

Senior React Engineer - £700 - £800 p/day – On-site (Central London) Overview We are hiring a Senior React Engineer to join a high-performance technology team within a leading financial services organisation operating in the oil and energy derivatives space. The business runs a cutting-edge electronic trading platform … also be a collaborative team player who communicates clearly and contributes to a high-quality engineering culture. Role & Responsibilities Design, build, and maintain a React/TypeScript trading UI, delivering real-time streaming data and a seamless user experience Integrate the UI with RESTful and streaming APIs (built in Rust ...

innovative technology organisation is hiring a Full Stack Developer to build scalable, AI-powered applications on Microsoft Azure. The Role Develop modern UIs using React, TypeScript Build APIs and microservices (C#/.NET or Python) Integrate AI capabilities into web applications Work across Azure services (Service Bus, Event Grid … Cosmos DB) Deliver secure, scalable, cloud-native solutions Key Skill Strong full stack development experience Expertise in React + modern JavaScript Backend development with .NET or Python Hands-on Azure experience Knowledge of APIs, microservices, Docker, Kubernetes Preferred CI/CD, Terraform/ARM Azure Functions, AKS, API Management Security ...

innovative technology organisation is hiring a Full Stack Developer to build scalable, AI-powered applications on Microsoft Azure. The Role Develop modern UIs using React, TypeScript Build APIs and microservices (C#/.NET or Python) Integrate AI capabilities into web applications Work across Azure services (Service Bus, Event Grid … Cosmos DB) Deliver secure, scalable, cloud-native solutions Key Skill Strong full stack development experience Expertise in React + modern JavaScript Backend development with .NET or Python Hands-on Azure experience Knowledge of APIs, microservices, Docker, Kubernetes Preferred CI/CD, Terraform/ARM Azure Functions, AKS, API Management Security ...

impact digital products used across the UK What You’ll Do Build high-quality microservices using NodeJS Develop responsive, modern front-end applications using React , Typescript , JavaScript Work with NextJS and Vite to build fast, scalable front-end solutions Deliver cloud-native applications using AWS or Azure Contribute to robust … best practice in security, quality and maintainability What We’re Looking For.... Required Strong experience building microservices with NodeJS Front-end engineering experience using React + Typescript/JavaScript Experience with NextJS and Vite Cloud experience (AWS or Azure) Knowledge of Git and Git-based version control tools Experience with ...

technical leadership role across architecture, development, best practices, and mentoring. The ideal candidate is someone with deep hands on expertise in MongoDB, Express.js, React.js, and Node.js , along with strong solutioning and stakeholder management capabilities. Key Responsibilities Technical Leadership & Architecture Lead endtoend technical design and architecture for scalable MERN applications. Define … support capability building within the MERN practice. Required Skills & Qualifications 15+ years of hands on experience in MERN Stack development. Strong expertise in: React.js (Hooks, Context API, Redux desirable) Node.js & Express.js MongoDB (schema design, aggregation pipelines, indexing) Experience with RESTful APIs, GraphQL (preferred), and microservices architecture. Solid understanding of HTML5 ...

TransPerfect is an established company with a start-up culture seeking creative entrepreneurial people like you to join our team. Were hiring a Frontend Engineer to join our global team to be responsible for the ...

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 ...

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 ...

+ meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 2/3 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being used across the globe ...