144 senior react engineer jobs at 91 companies in Lancaster, CA

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Senior React Native Engineer
San Francisco or Los Angeles
$160k-$210k/yr OnsiteFull Time
Arena Club
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).
React Native, iOS, Android, Rx, IoC/DI, Bazel, Claude, Cursor, A/B testing, analytics
3mo
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Senior Security Engineer
Austin or Chicago or Dallas or Denver or Los Angeles or San Diego or San Francisco
$131k-$169k/yr HybridFull Time
Karbon
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.
DotnetCSharp, JavaScript, React, EmberJS, Python, Azure, AWS, GCP, PowerShell, Bash, GitHub Copilot, Burp Suite
2mo
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Senior Software Engineer, Air AI
Mountain View or Los Angeles or San Francisco or New York City
$170k-$230k/yr HybridFull Time
Commure
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.
Python, TypeScript, React, Docker, Kubernetes
1w
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Senior 3D Engineer
Glendale, California, United States
$160k-$200k/yr OnsiteFull Time
Moon
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.
React Three Fiber, Three.js
3mo
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Senior Systems Software Engineer
Los Angeles or Remote- US
$145k-$195k/yr HybridFull Time
Zoo
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
1d
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Senior DevOps Engineer
San Francisco or Los Angeles or Washington or San Diego or Seattle or London
$140k-$240k/yr OnsiteFull Time
CHAOS Industries
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
2w
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Senior Software Engineer, Growth (Payment Localization) (Copy)
Los Angeles or San Francisco
$190k-$215k/yr HybridFull Time
Linktree
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.
TypeScript, Node.js, React, PostgreSQL, MySQL, GraphQL, AWS, SQL, Snowflake, BigQuery, Claude, Cursor, Codex, Devin
2mo
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Senior Software Engineer, Product Foundations
Seattle or Los Angeles
$150k-$200k/yr OnsiteFull Time
Metropolis
Metropolis: Computer vision technology for checkout-free parking and retail payments.
8+ YOE8+ years backend software engineering; expert Java; microservices; Kubernetes; AWS; observability; databases; AI tooling; strong technical communication.
TypeScript, React, Scala, Java, Kubernetes, AWS, Kafka, SQS, MySQL, PostgreSQL, Snowflake, Git, GitHub, Datadog, Copilot, Claude Code, CI/CD
2mo
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Senior Software Engineer - CTV (Burbank, CA, US, 91505)
Burbank, California, United States
$124k-$170k/yr OnsiteFull Time
Paramount
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.
React, TypeScript, Redux, RTK, React Router, HTML, CSS
1mo
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Senior Software Engineer, WebOTT
San Francisco or Los Angeles or New York City
$186k-$266k/yr HybridFull Time
Tubi
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.
React, Redux, Node.js, GitHub Actions, Terraform, CDN, JavaScript, Web APIs, HTML5, CSS, TypeScript
1mo
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Sr Automation Engineer – New Glenn
Seattle or Denver or Los Angeles or Florida
$182k-$277k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
8+ YOEBachelor's in engineering/computer science or equivalent, 8+ years software/automation/data/engineering experience, experience designing automation tools, familiarity with React, TypeScript, Kubernetes, Databricks, SQL, Python, REST APIs, and AWS.
React, TypeScript, Kubernetes, Databricks, SQL, Python, REST APIs, AWS, Git, SVN, Gitlab CI
4d
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Senior Fullstack Engineer
Los Angeles, California, United States
$170k/yr OnsiteFull Time
FlightStory
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.
TypeScript, React, Node.js, Python, JavaScript, Google Cloud, SQL, NoSQL, APIs, AI/ML, LLMs
1mo
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Senior Software Engineer
Los Angeles, California, United States
$125k-$190k/yr HybridFull Time
TCW
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.
React, TypeScript, Turborepo, Go, .NET, C#, Python, Vite, Webpack, CI/CD, Azure, Vitest, Playwright
3w
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Senior Software Engineer
Los Angeles or Seattle
$143k-$214k/yr OnsiteFull Time
Re:Build Manufacturing
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.
React, TypeScript, AWS, Lambda, ECS, DynamoDB, S3, Step Functions, API Gateway, Fargate, GraphQL, LLMs, vector databases
1mo
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Senior Software Engineer
Long Beach or Los Angeles
$125k-$181k/yr RemoteFull Time
myPlace Health
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
2mo
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Senior Software Engineer | Remote
Los Angeles or United States
RemoteFull Time
TubeScience
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.
JavaScript, React, Vue, Angular, Python, C, C++, Rust, Zig, Next.js, FastAPI, Django, Flask, Docker, Kubernetes, PostgreSQL, MongoDB, Redis, Temporal, Airflow, Dagster, Kafka, RabbitMQ, ffmpeg, AWS, GCP, Azure
2mo
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Senior Product Software Engineer (Python)
San Francisco or Chicago or Los Angeles
$160k-$200k/yr HybridFull Time
Tyba
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.
Python, React, GraphQL, Strawberry, ClojureScript, Cursor, Copilot, Claude Code, Warp Agent Mode, Recharts, ECharts, dbt, Snowflake, Redshift, PyTorch, AWS, PostgreSQL, Fulcro, Tailwind CSS, Clojure, Kotlin
5h
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Senior Software Engineer (Frontend) - Scribd Core
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/yr HybridFull Time
Scribd
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.
JavaScript, TypeScript, React, Next.js, Microfrontend, monorepos
1mo
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Senior Software Engineer - Acquisition and Funnel
Michigan or Detroit or Los Angeles County or San Francisco
$112k-$239k/yr RemoteFull Time
Rocket Companies
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.
Node.js, React, TypeScript, Next.js, NestJS, PostgreSQL, TypeORM, Docker, AWS, GitHub, Nx Monorepo, Amplitude, Sentry, Splunk, Dynatrace
1w
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Senior Staff Software Engineer
Beverly Hills or Vernon
OnsiteFull Time
Fashion Nova
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.
Javascript, React, Node.js, REST, Web API, T-SQL, MS-SQL, POSTGRESQL, MYSQL, ORACLE, DynamoDB, Redis, JIRA, GIT, GITFLOW, Shopify