144 senior react engineer jobs at 91 companies in Lancaster, CA
2mo
Save
Mark Applied
Hide
2mo
Senior React Native Engineer
San Francisco or Los Angeles
$160k-$210k/yrOnsiteFull Time
Arena Club: Digital marketplace and vaulting service for sports collectibles
7+ YOEBachelor's in CS/Engineering, 7+ years mobile app development, proficiency in React Native and iOS/Android ecosystems, familiarity with Rx, IoC/DI, Bazel, A/B testing, analytics, CI and automated testing; experience leading mobile launches and using AI tools (Claude, Cursor).
Austin or Chicago or Dallas or Denver or Los Angeles or San Diego or San Francisco
$131k-$169k/yrHybridFull Time
Karbon: Practice management software for accounting firms.
4+ YOESenior Security Engineer with 4+ years in security or development; strong communication; cloud and AI experience; hands-on with security tooling and threat modelling.
Mountain View or Los Angeles or San Francisco or New York City
$170k-$230k/yrHybridFull Time
Commure: AI-powered software platform for healthcare workflow and administrative automation.
4+ YOE4+ years software engineering; strong fullstack Python backend and TypeScript/React frontend; Docker and Kubernetes; experience with LLM APIs; production AI features; able to ship quickly.
Moon: Building an AI-powered SaaS platform for business operations.
5+ YOE5+ years front-end/graphics engineering with production Three.js or React Three Fiber; strong 3D fundamentals, profiling and optimization experience, and library/SDK development experience.
Zoo: Develops infrastructure and AI-powered tools for hardware design.
Senior systems, platform, or infrastructure engineering with Rust expertise; strong backend/infrastructure focus; experience with distributed systems, databases, APIs, and IaC; autonomous, proactive, and customer-focused.
Rust, Databases, API design, Distributed systems, Infrastructure as code, Containers, React
San Francisco or Los Angeles or Washington or San Diego or Seattle or London
$140k-$240k/yrOnsiteFull Time
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
Backend and cloud engineering fundamentals; scalable distributed systems experience; U.S. Person status; ability to obtain and maintain a U.S. security clearance; collaboration across engineering disciplines.
Microsoft Azure, Python, Terraform, Kubernetes, TypeScript, React, CI/CD, containers
Linktree: A platform to consolidate and share multiple digital links.
5+ YOE5+ years software engineering experience; strong full-stack skills with TypeScript, Node.js, React, SQL and cloud services; experience with growth experimentation, A/B testing, data analysis, and AI-assisted development.
Senior Software Engineer - CTV (Burbank, CA, US, 91505)
Burbank, California, United States
$124k-$170k/yrOnsiteFull Time
ParamountNASDAQ: PSKY: Produces and distributes media content across global entertainment platforms.
5+ YOE5+ years software development; 2+ years building Smart TV/CTV apps; BS in Computer Science; React and TypeScript; Redux/RTK; web tech on TV runtimes.
TubiNASDAQ: FOXA: Free ad-supported streaming service for movies and television.
5+ YOE5+ years building high-performance web applications with React, Redux, JavaScript/TypeScript, HTML5/CSS and Web APIs; experience leading initiatives and mentoring engineers; CI/CD and infrastructure familiarity.
FlightStory: A media and investment scaling creator-led brands.
Full-stack experience with TypeScript, React, Node.js, Python, JavaScript, cloud infrastructure, databases, APIs, scalable systems, and production AI/ML or LLM applications.
TCW: Global asset management firm providing investment and advisory services.
5+ YOEMaintain React/TypeScript SPA framework, experience with modern front-end tooling, CI/CD automation, public cloud (Azure preferred), strong communication and documentation; bachelor’s degree or 5+ years relevant experience.
Re:Build Manufacturing: Provides advanced engineering and US-based contract manufacturing services.
7+ YOE7+ years professional software experience; cloud-native development on AWS; full‑stack with React and TypeScript; experience with serverless, containerized apps, RAG/LLM integrations, GraphQL/REST; strong communication and mentorship skills.
myPlace Health: An integrated care organization focused on enabling older adults to live independently with personalized care and support.
Experience building cloud-native full-stack solutions on Microsoft Azure, REST APIs, event-driven architectures, integrations (APIs/SFTP/batch), React/Node.js, PostgreSQL/Snowflake, Azure DevOps, and Dynamics 365/Power Platform.
Microsoft Azure, React, Node.js, PostgreSQL, Microsoft Fabric, Snowflake, OAuth 2.0, Azure DevOps, Microsoft Dynamics 365, Power Platform, Copilot Agents, Power Automate, Boomi, HL7, FHIR, Power BI, Databricks, SFTP, Git
TubeScience: Data-driven performance video production for social media advertising.
Senior full-stack engineer to lead frontend tooling, backend services, and cloud infrastructure for production AI integrations; strong JavaScript and Python skills, low-level language experience, media pipeline knowledge, observability and distributed systems expertise.
Tyba: AI software for modeling and operating renewable energy projects.
5+ YOE5+ years full-stack engineering experience; strong Python and React; production GraphQL experience; willingness to learn ClojureScript; familiarity with AI-assisted coding tools; strong cross-functional communication.
San Francisco or Ottawa or Phoenix or Toronto or Los Angeles or Denver or Salt Lake City or Atlanta or Chicago or Houston or Portland or New York City or Vancouver or San Diego or Washington, D.C. or Sacramento or Jacksonville or Seattle or Mexico City or Austin or Miami or Boston or Dallas
$124k-$226k/yrHybridFull Time
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
6+ YOERequires 6+ years of frontend software engineering experience, JavaScript/TypeScript and React expertise, modern web framework experience, architecture knowledge, performance optimization, testing, and strong collaboration skills.
Michigan or Detroit or Los Angeles County or San Francisco
$112k-$239k/yrRemoteFull Time
Rocket CompaniesNYSE: RKT: Provides digital mortgage, real estate, and personal finance services.
5+ YOE5+ years professional software engineering experience; hands-on with Node.js, React, and TypeScript; full-stack ownership, CI/CD, automated testing, production monitoring/observability, and experience handling regulated or sensitive data.
Fashion Nova: Sells affordable trend-driven apparel and lifestyle accessories online.
10+ YOE10+ years software development experience; proficiency in Javascript, React, Node.js, REST/Web API, relational and NoSQL databases; strong analytical and communication skills; BA/BS or equivalent experience preferred.