1,057 reactjs jobs at 520 companies in Rio Vista, CA
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
TELCOR: Provides healthcare software for laboratory and point-of-care operations.
2+ YOE2+ years experience with TypeScript and ReactJS; experience with LLMs; Redis and Postgres; personal projects; open source contributions preferred.
Member of Technical Staff, Frontend Engineer, Apps
San Francisco, California, United States
$175k-$240k/yrOnsiteFull Time
Edison Scientific: Developing autonomous AI agents for scientific research and discovery.
5+ YOE5+ years front-end experience building performant, data-visualization-heavy web apps; deep JavaScript, Reactjs, TypeScript; experience with real-time data, performance profiling, and accessibility.
New York City or San Francisco or Dallas or Argentina or North America or South America
RemoteFull Time
Canary Technologies: Provides AI-powered guest management software for the hospitality industry.
5+ YOE5+ years experience building backend and full‑stack applications; strong JavaScript skills; experience with VueJS or ReactJS; ability to ship high‑quality products, mentor others, and operate services at scale.
Material Security: Protects sensitive data within cloud email and office platforms.
3+ YOEBachelor's degree required, 3+ years related experience. Experience with Agile, backend and frontend web development, Kubernetes, GCP (BigQuery, DataStore), Git/GitHub, SQL, testing, CI/CD, web security, Node and ReactJS.
San Francisco or New York City or Mumbai or Bangalore or India or United States or Canada or Luxembourg or United Kingdom
RemoteFull Time
Juniper Square: Provides software and services for private market investment management.
7+ YOE7+ years building ETL/ELT pipelines, strong SQL and data modeling, Python, cloud (AWS RDS), BI tools, data warehouse familiarity, API and frontend experience (FastAPI, ReactJS, TypeScript), and experience translating data into business insights.
SQL, PostgreSQL, Python, AWS RDS, Looker, Tableau, Microsoft Power BI, Mode, Data Studio, Domo, QlikView, Amazon Redshift, Google BigQuery, Snowflake, OpenMetadata, FastAPI, ReactJS, TypeScript, GraphQL, RESTful, JunieAI
Senior Principal - AI Accelerated Engineering Lead
San Francisco or Washington or Denver
$193k-$281k/yrOnsiteFull Time
Slalom: Provides business and technology consulting and software engineering services.
8+ YOE8+ years building and operating production software, leadership in system or platform architecture, hands-on GenAI/agent experience, expertise in APIs/microservices/security, proficiency in TypeScript/Node, Python, or Java, cloud and DevOps skills.
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
7+ YOE7+ years in full stack development; BA/BS or equivalent IT experience; front-end frameworks (React, Vue, Angular) and JavaScript/TypeScript; backend APIs with .NET/Java/Node.js/Python; SQL/NoSQL and REST; cloud-native apps (Azure preferred; AWS/GCP acceptable); Docker; IaC (Ansible, Bicep, ARM, Terraform); CI/CD and Git; AI-assisted coding tools ex...
6+ YOE6+ years supporting defense & intelligence customers with systems integration; Bachelor's in CS/Software/Systems Engineering; fluent in Golang, Python, Postgresql, React; cloud experience (GCP, AWS, Azure); strong communication and systems thinking.
Golang, Python, PostgreSQL, Postgresql, React, GCP, AWS, Azure, JavaScript, OpenLayers, Leaflet, ArcGIS API for JavaScript, Google Earth Engine, SQL, NoSQL, Metaview
Astera Institute: Conducts fundamental research in artificial intelligence and longevity science.
2+ YOEBA/BS or equivalent experience; 2+ years building and maintaining software systems; experience with content-heavy platforms; familiarity with TypeScript, React, Node.js, Express.js/Hono, SQL, Prisma/Drizzle; strong engineering fundamentals and architectural judgment.
Haus: Provides an incrementality platform for marketing measurement and optimization.
5+ YOE5+ years building production web applications and APIs; strong Python and React skills; experience with Flask, SQLAlchemy, relational databases, cloud-native (GCP preferred), and AI development tools; on-call participation.
Python, Flask, React, SQLAlchemy, GCP, MySQL, PostgreSQL, Claude Code, Cursor, Copilot, Meta, Google, TikTok, Meta Marketing API, Google Ads API
New York City or San Francisco or United States or Canada or United Kingdom
$189k-$330k/yrHybridFull Time
Ramp: Financial operations platform for corporate cards and spend management.
5+ YOE2+ Mgmt5+ years iOS development, 2+ years technical leadership, proficiency in Swift and iOS platform, experience shipping apps or major features, strong communication and security-minded engineering.
Swift, SwiftUI, Swift Concurrency, The Composable Architecture, Bazel, React, JS, Python, Flask, SQL, OpenAPI, App Store Connect
Bot Auto: Operates a fleet of autonomous trucks for freight transportation.
5+ YOEBachelor's degree or equivalent, 5+ years building backend or full-stack services; strong in Python, Go, Java, or JavaScript/TypeScript; experience with distributed systems, APIs, databases, and event-driven architectures.
Clera: AI talent agent matching professionals with high-growth startup roles
0+ YOE0–5 years software engineering experience; experience building low-latency/realtime systems, search and ranking, data pipelines, ML/AI workflows; proficiency in relevant technologies and strong problem-solving skills.
TypeScript, React, React Native, iOS, Android, Python, Elasticsearch, Snowflake, LLMs, embeddings, vector search, retrieval and recommendation systems
Lassie: AI-powered automation platform for healthcare practice administration and billing.
Experience building integrations, data models, orchestration, and reliability systems; proficiency with Python (Django, Pydantic AI), Postgres, Redis, TypeScript, React; familiarity with GCP and observability tools.
United States or Santa Ana or San Francisco or Oakland or Berkeley or New Jersey or Texas or Florida or Shanghai or Hong Kong or Japan or Canada or Mexico or Germany or France
$141k-$229k/yrHybridFull Time
Collectors: Providing authentication and grading services for high-value collectibles.
6+ YOE6+ years engineering experience, deep C#/.NET backend skills, frontend experience with React/Svelte/TypeScript, payments/gateway and distributed-systems experience, observability and security mindset.
LaunchDarkly: Provides a feature management platform for software development teams.
5+ YOE5+ years in software engineering; full stack TS/React frontend and Go backend; strong product sense; collaborative; monitoring/observability experience a plus; feature flagging/release automation a plus
Forward Deployed Engineer (FDE) - New Grad - 2026-2027
San Francisco, California, United States
OnsiteFull Time
Netic: AI platform automating customer outreach and bookings for service businesses.
New grad available to start winter 2026–summer 2027. Experience building production systems with Python and TypeScript, familiarity with LLMs/TTS, vector databases and RAG, customer-facing deployment, and performance at scale.
Hightouch: Syncs customer data from warehouses to business and marketing tools.
Senior software engineer building SDKs and backend systems; ownership of end-to-end projects; cross-platform (iOS/Android/React Native) development; on-device and backend collaboration.