64,438 React jobs
Open roles that use React to build web interfaces.
Senior Full Stack Engineer
Senior full stack engineer at an early-stage healthtech startup building AI agents that coordinate care logistics for people with serious chronic conditions. Day-to-day spans greenfield product development with React/TypeScript/FastAPI, building and evaluating LLM-powered agents, and establishing HIPAA/SOC 2-compliant systems — on-site in Boston, with mentoring duties.



Senior Software Engineer - Consumer Apps Desktop
Senior Software Engineer on Roblox's Desktop team, owning the Windows and macOS client foundation — how the app launches, renders, and lives in the OS. Day to day: lead complex C++ client projects end-to-end, debug and profile across consumer hardware, and set the technical standard via code review and mentorship.



Senior Frontend Engineer, Discovery UX
Senior frontend engineer on Roblox's Discovery UX team building high-traffic user-facing surfaces (homepage, search, charts, experience details) across web and app. Day to day involves designing and shipping React/TypeScript features for millions of users, with A/B testing and cross-platform architecture.



Senior Software Engineer, Productivity
Roblox is hiring a Senior Software Engineer on its Engine Productivity team (Portal) to build AI agent sandboxes, harnesses, and integrations in C, C++, and Rust that improve developer workflows for engineers building Roblox's game engine, clients, and Studio. Based onsite in San Mateo, CA (Tue–Thu).



Principal Software Engineer, Build
Principal engineer on Roblox's Build Surfaces team, leading end-to-end development of AI-assisted creator tools across Roblox Studio and the app — text-to-game generation, iteration, monetization, and analytics — while mentoring engineers. Primarily works in React, Luau, and occasionally C++.
Staff Mobile Engineer
Senior hands-on mobile technical leader at CINC Systems, a community association management software provider, designing and shipping iOS/Android apps using Flutter, React Native, and native Swift/Kotlin. Defines mobile architecture, partners with backend/platform teams on APIs, and mentors engineers. Remote worldwide.
Staff Full-Stack Software Engineer
Staff full-stack engineer at CINC, a community-association management SaaS platform, working remotely worldwide (hybrid optional). Designs scalable web apps and drives the monolith-to-microservices evolution using TypeScript, Node.js, React/Next.js/NestJS, REST/GraphQL APIs, event-driven integrations, and Cephai AI services.



Senior Software Engineer, Consumer Apps
Senior engineer on Roblox's Foundation & Luau Platform team, building the shared UI platform Roblox apps run on — frameworks, component library, server-driven UI, navigation and state management — using Luau and React-style frameworks, with a focus on performance, safe staged rollouts, and driving platform adoption. Based in San Mateo (hybrid Tue–Thu onsite).



Software Engineer, Frontend - Economy
Frontend software engineer on Roblox's Economy team, building polished web and mobile shopping, creator-earning, and personalization experiences for the world's largest virtual economy. Daily work uses JavaScript/TypeScript and React, with close collaboration alongside product, design, data science, ML, and backend teams.



Software Engineer, ROS
Software engineer on Roblox's internal ROS team building enterprise products and the company data platform (Work Tracker, People App, Builder Profiles, Org Chart). Full-stack work spanning frontend, backend, data pipelines, and infrastructure using technologies like TypeScript/React and Python, with AI used to make company data accessible to employees and AI agents.



Software Engineer, Creator Services Communication
Builds the communications plane for the Roblox platform — cross-server messaging, developer HTTP/teleport APIs, and compute functions — solving distributed-systems and networking problems at many-million-player scale. Full-stack work spans the C++ engine, C# services, Kafka/Flink, Redis/Elasticsearch/Clickhouse, and React UIs. Onsite Tue–Thu in San Mateo.
Business Applications Web Developer
Junior developer joining an in-house IT team at a civil engineering firm to build, maintain and enhance internally developed web-based business systems. Core stack is C#, .NET, JavaScript and SQL Server, with work spanning REST APIs, system integrations, automation and the full development lifecycle alongside a senior developer.



Software Engineer, Discovery UX
Builds frontend features on Roblox's discovery surfaces (Home, Search) to help users find games and developers find audiences, using A/B testing and data analysis to drive UX improvements. Core stack is React, TypeScript, and JavaScript, with flexibility to touch backend and data infrastructure.
Senior Software Engineer, Content Understanding
Senior full-stack engineer on Roblox's Content Understanding Platform, building scalable backend systems and ML pipelines that process billions of assets (3D models, audio, text, video) to power search, discovery, moderation, and generative AI features. Stack spans Python/C#/C++/Java, cloud backends, PyTorch/TensorFlow, and some React/Angular.
Software Engineer
Full-stack engineer developing and supporting Certis' security enterprise platform: building React/TypeScript web apps, C#/ASP.NET Core microservices and REST APIs, working with PostgreSQL/SQL Server, Redis and messaging (NATS/Kafka/RabbitMQ), and deploying via Docker/Kubernetes in cloud and on-prem environments.
Senior frontend developer (ГигаПульс)
Cбер продолжает реализовывать масштабный проект по созданию технологической HR-платформы нового поколения (PaaS/SaaS). Наша команда разрабатывает чат, но непростой, потому что у нас: \- UI рождается из данных -…
Staff Software Engineer L6
Inovalon is hiring a Staff Software Engineer (L6) in Hyderabad to lead technical design of healthcare data platforms and full-stack apps on AWS and Snowflake, coding in Java and Python with UI work, building observable HIPAA-compliant systems, improving CI/CD, and integrating AI dev tools like GitHub Copilot and Claude Code while mentoring engineers.
Senior Analyst Programmer / Analyst Programmer – IT Services Centre
Designs, develops, and supports web and mobile applications for a university's IT Services Centre, consulting with user departments on requirements and preparing development documentation. Core stack includes HTML5, PHP, React/jQuery, MySQL/MariaDB, with Oracle Fusion/OIC knowledge an advantage.
Senior AI Engineer (T00030271)
Senior AI Engineer at ttb spark, the innovation arm of TMBThanachart Bank in Bangkok, owning production-grade generative AI solutions end to end — LLMs, RAG, chatbots and AI agents — built and deployed on Microsoft Azure with Python/Node.js/TypeScript, Docker, CI/CD and LLMOps, plus code reviews and technical guidance.