64,312 React jobs
Open roles that use React to build web interfaces.
Staff Software Engineer
Staff Software Engineer at Sanofi in Barcelona (hybrid) shaping technical strategy for the company's global eCommerce platform that connects patients and healthcare professionals to medicines and vaccines. Day to day: driving architecture and standards across teams, mentoring senior engineers, and building cloud-native microservices with Node.js/TypeScript, React, Java/Python, AWS/GCP/Azure, CI/CD
DevOps Engineer
Senior DevOps Engineer at Kudelski Security in Madrid, working 'you build it, you run it' on cloud infrastructure as code, CI/CD, monitoring, backup and operations tooling with 24/7 on-call. Core stack: AWS/Azure, Docker/Kubernetes, GitLab, Ansible, Prometheus/Grafana and Elastic.
Software Engineer
Backend-leaning full-stack engineer at a profitable AI travel startup building a luxury travel booking platform (hotels, villas, yachts, private flights). Day to day: Python/FastAPI supplier integrations, PostgreSQL data architecture, Redis/GCP infra, and LLM-powered search, plus some React/TypeScript. Remote UK/EU, £65-85k + equity.
Software Engineer
Onsite full-stack Software Engineer in downtown Madrid building and evolving mscope's SaaS products across a three-layer stack: React, Spring Boot, Python microservices, and SQL. Work includes Docker container deployment on AWS and unit/integration testing; fintech experience is a plus.
Full Stack Developer
Senior full stack developer, fully remote (must be based in Spain), for a software solutions provider's globally distributed team: design, build, test, and maintain web applications end to end with a modern front-end framework (React/Angular/Vue) and a back-end like Node.js, Python, or Java, plus REST APIs, cloud/Docker, and CI/CD, while mentoring juniors in an Agile environment.
Backend Developer (C.NET)
Backend developer building custom integrations in C#/.NET that connect third-party systems with SKIDATA's access solutions — owning projects from design through testing and documentation, working with APIs like REST, SOAP, gRPC and RabbitMQ, and supporting integration partners. Based in Madrid (hybrid).
Java backend developer
K-LAGAN is hiring a Java backend developer in Barcelona to work on international logistics and intralogistics automation projects, building and integrating WMS/WCS solutions. Day-to-day work involves Java 17 and Spring Boot services, REST APIs, Oracle/SQL databases, and testing with JUnit/Mockito, with travel to project sites for commissioning.
Frontend-Driven Fullstack Developer (E‑commerce) - Vue 3, Hybrid
El Corte Ingles Group is hiring a frontend-focused fullstack developer for its e-commerce platform, working hybrid from Madrid. Day to day involves building modern web features in Vue 3, leading technical decisions, and collaborating across teams; MongoDB, React, and interest in AI-assisted development are valued.
React developer in micro frontends
React developer on TBWA-DDB's Digital Production team in Barcelona (hybrid), building Feature Apps in a micro frontends architecture for a leading international brand. Day to day: integrate the frontend with corporate APIs, maintain production apps, collaborate with Java/Spring Boot backend engineers, and optionally grow toward fullstack work (incl. Salesforce).
IT Production Support
Salary: Rp 8.000.000 – Rp 11.000.000 per month About the Role We are looking for a Production Support (Medium Level) professional to support the operations of the SalesHub POS application. The successful candidate will…
Senior Software Engineer II
Senior engineer on Samsara's Commercial Navigation team building in-app navigation for commercial fleets — guided trips, fuel-aware routing, session review, and safety-focused features. Work spans React Native mobile (with Swift/Kotlin native modules), backend services, and web, handling real-time routing despite poor connectivity. Remote in the US/Canada.
Desarrollador Fullstack
Fullstack developer (Vue.js + Node.js/Express + PostgreSQL) joining a progressive migration/rewrite project for a law firm's legacy system (Visual Studio + Access), building the new web platform, migrating data, and documenting the process. Contractor role, hybrid, 9am-2pm schedule in Buenos Aires Microcentro.
AI Fullstack Engineer (Senior Associate)
Senior full-stack engineer on an AI consulting team building enterprise-ready applications end to end: React/TypeScript frontends, Python (FastAPI/Django/Flask) backends and APIs, deployed on Azure/AWS with Docker, Kubernetes, and CI/CD. Uses agentic coding tools like Cursor and Claude Code; remote anywhere in Canada with occasional travel.
Staff Fullstack Engineer
Staff fullstack engineer on Treasure Data's Realtime/Personalization team, building the Treasure AI Personalization Studio and RT2.0 realtime personalization engine end-to-end: React frontends plus backend APIs and distributed services (Ruby/Go/Java/Kotlin preferred) on cloud, with heavy AI-assisted development. Hybrid role based in the Vancouver, BC office.
Senior Associate AI Fullstack Engineer
Senior full-stack engineer who builds enterprise AI applications end to day: React/TypeScript frontends, Python services and APIs (FastAPI, Django, or Flask), and secure Azure/AWS cloud integrations, with DevOps/CI-CD, Agile delivery, and collaboration with AI engineers, architects, and client teams.
Senior Rails React Full Stack Engineer
Senior full-stack engineer at REW.ca building scalable Ruby on Rails 7.2 backends and React/Haml frontends for a Canadian real-estate platform serving millions of home seekers. Work spans GraphQL, Postgres, CI/CD, and mentoring, with part-time weekly on-site presence in Vancouver.
Senior Full Stack Engineer (Rails & React)
Senior full stack engineer at REW.ca, Canada's leading real estate platform, designing and deploying Ruby on Rails 7.2 back-end services plus React/haml front-ends, GraphQL APIs, testing and CI/CD, release management, and mentoring. Requires weekly part-time on-site presence in Vancouver.
Full Stack Engineer
Junior-friendly Full Stack Engineer at CANImmunize, a Canadian digital health company building immunization platforms for public health teams. Fully remote within Canada; you'd ship front-end and back-end features using TypeScript, React, and Node.js, write automated tests, and grow through code reviews, pairing, and mentorship.
Full Stack Engineer
Full-stack engineer at a Toronto software solutions firm building fintech products: designing Java-based web applications and REST/gRPC APIs, working with databases and cloud/container tooling, and taking part in testing, releases, and code reviews while mentoring junior team members.
Full Stack Engineer
Builds and maintains full-stack applications that Manulife's customers and advisors rely on, taking features from design through coding, testing, and production support. Core stack: Java or TypeScript/Node.js with Spring Boot or NestJS/Express, React front ends, SQL Server/Azure SQL, Docker, and Microsoft Azure.