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339 react developer jobs at 157 companies in Simi Valley, CA

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Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
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).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
1mo
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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
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3w
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Sr. React Native Engineer
Santa Monica, California, United States
$175k-$350k/yr RemoteFull Time
Tapcart
Tapcart: Platform for Shopify merchants to create mobile shopping apps.
5+ YOE5+ years engineering/product experience; demonstrated frontend, backend, and database skills; active GitHub presence; experience with React Native and building AI agent orchestration preferred.
React Native, GitHub, Shopify
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1mo
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Software Developer
Los Angeles, California, United States
$349k-$384k/yr RemoteFull Time
Fox Corporation
Fox CorporationNasdaq: FOXA: Broadcasts news, sports, and entertainment via television and streaming.
3+ YOEBachelor's in CS/related, 3 years experience, strong skills in JavaScript, React, HTML, CSS, TypeScript, CMS/Matrix, video playback optimization, PWA, API and infrastructure development.
JavaScript, React, HTML, CSS, TypeScript, Matrix, Progressive Web Apps (PWA)
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1d
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Application Developer
Pasadena, California, United States
$40-$48/hr HybridFull Time
Caltech
Caltech: Provides university-level education and scientific research services.
3+ YOEBachelor's degree (or equivalent experience),3+ years software development in Unix/Linux/OSX,proficiency in Java and/or JavaScript,experience with React/Redux,HTML,CSS,JSON,WebSocket,Git/GitHub and Jira,good communication.
Java, JavaScript, React, Redux, HTML, JSON, CSS, WebSocket, Git, GitHub, Jira, Python, Tomcat, Unix, Linux, OSX
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1mo
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Software Engineer II
Bristol or Burbank or Glendale or Bristol
$118k-$158k/yr OnsiteFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.
3+ YOEMinimum 3+ years in web development; strong frontend JS/JS frameworks; BS CS or related; good communication; React/React Native preferred; experience in media distribution and AI is a plus.
JavaScript, TypeScript, React, React Native
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1mo
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Founding Product Engineer
San Francisco or Los Angeles or New York City
$190k-$210k/yr HybridFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
Proficiency with TypeScript (React) and Go, experience with PostgreSQL and Redis, familiarity with AWS, Terraform, and Docker, API development experience, and prior B2C product experience.
TypeScript, React, Go, PostgreSQL, Redis, AWS, Terraform, Docker, REST, GraphQL, Slack, Linear, GitHub, Figma
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1mo
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Software Engineer
Beverly Hills, California, United States
$87k-$108k/yr HybridFull Time
Ritchie Bros.
Ritchie Bros.NYSE: RBA: Conducts global auctions for heavy equipment and industrial assets.
Experience with Python, JavaScript and frameworks (Angular or React), relational/document stores (PostgreSQL or Firestore), familiarity with Google Cloud Platform, unit and end-to-end testing, troubleshooting, and agile development.
Python, JavaScript, Angular, React, PostgreSQL, Firestore, Google Cloud Platform
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3mo
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Full Stack Engineer
Los Angeles, California, United States
$150k-$180k/yr OnsiteContract, Full Time
Secret Level
Secret Level: AI-native entertainment studio producing film, TV, and advertising content.
Senior level Full Stack developer with Python and React, AWS, CI/CD tooling, Postgres/GraphQL; contract-to-hire.
Python, JavaScript, React, Node.js, Next.js, Tailwind, Postgres, GraphQL, AWS, Docker, Terraform, GitHub Actions
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3mo
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Software Engineer (Full Stack Enterprise)
Los Angeles or El Segundo
$115k-$175k/yr OnsiteFull Time
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
3+ YOE3+ years in modern software development; backend with Flask/Django; frontend with React/Next.js; SQL and NoSQL experience.
Flask, Django, React, Next.js, SQL, NoSQL
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1d
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Junior Software Engineer
South Pasadena, California, United States
$30-$35/hr OnsiteFull Time
Equity Smart Home Loans
Equity Smart Home Loans: Full-service mortgage brokerage providing residential home loan solutions.
Foundational software/web development experience; working knowledge of React, JavaScript, HTML, CSS; familiarity with APIs, Git, and cloud deployments; strong communication and troubleshooting skills.
JavaScript, HTML, CSS, React, RESTful APIs, AWS, Git, Retool, CI/CD
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1w
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Sr. Principal Software Engineer (SW Modeler/Developer)
Redondo Beach, California, United States
$142k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
8+ YOEU.S. Secret clearance required; STEM degree with significant experience (BSc+8/ MSc+6/ PhD+4); expertise in backend (Python) and frontend (React) development, CI/CD, software modeling, and mission‑critical ground systems.
Python, React JS, C, C++, Cameo, FastAPI, MongoDB, Kafka, Docker, AWS Lambda, DynamoDB, API Gateway, Angular, SQS, EFS, S3, CI/CD
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2w
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Full Stack Developer III
Berkeley or Los Angeles
$111k-$166k/yr HybridFull Time
PBK
PBK: Provides architectural and engineering design for specialized facilities.
7+ YOE7+ years full-stack development experience, proficiency with JavaScript/TypeScript, React, backend tech (Node.js/.NET/C#/Python), Azure, API integrations, CI/CD, and secure development practices; bachelor\u0002s degree preferred.
React, TypeScript, Node.js, .NET, C#, Python, Salesforce, Deltek Vantagepoint, Autodesk Forma, Microsoft Azure, GitHub Enterprise, Azure DevOps, Microsoft 365, Microsoft Graph API, Microsoft SharePoint, Docker, Azure Monitor, Application Insights, Log Analytics
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1mo
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Full Stack Engineer
Los Angeles, California, United States
$130k-$150k/yr HybridFull Time
Pearpop
Pearpop: Marketplace for brands to collaborate with social media creators.
5+ YOE5+ years software development; 2+ years backend with Node.js; 1+ years frontend with React; strong JS, APIs, databases, and cloud.
Node.js, React, MySQL, PostgreSQL, SQLite, Sequelize, Gravitee, OAuth, JavaScript, HTML5, CSS3, Git, GitHub Actions, Google Cloud Platform, AWS, Cloudflare, Docker, Terraform, Next.js, Redux
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1mo
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Staff Engineer I - Software Engineer
Westlake Village or Irvine or Dallas
$122k-$151k/yr OnsiteFull Time
Western Alliance Bank
Western Alliance BankNYSE: WAL: National commercial bank providing specialized financial and business solutions.
5+ YOE5+ years software development experience; Bachelor's degree required; proficiency with TypeScript, React, Angular, REST API, Azure/AWS and Azure DevOps; leadership experience, financial services and regulatory knowledge; up to 10% travel.
React, Angular, TypeScript, HTML, CSS, REST API, Azure, AWS, Azure DevOps
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1mo
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Software Engineer
El Segundo or Los Angeles or San Francisco or Berlin or United States or China
$100k-$130k/yr HybridFull Time
JustFab
JustFab: Membership-based online retailer of fashion footwear and accessories.
2+ YOE2+ years web and Shopify development experience; strong Liquid, React, HTML/CSS/JavaScript, and Shopify API skills; Bachelor’s degree in a related field; fluent English; U.S. work authorization; Mandarin preferred.
Shopify, Liquid, HTML, CSS, JavaScript, React, Shopify APIs, Shopify Plus, Microsoft Teams, Zoom
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1w
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Sr. Software Engineer
Monterey Park, California, United States
$180k-$210k/yr HybridFull Time
Astrana Health
Astrana HealthNASDAQ: ASTH: Operates technology-powered platforms to coordinate and deliver medical care.
8+ YOE8+ years software development experience, strong Python and React/JavaScript skills, SQL proficiency, API/backend experience, leadership and mentoring ability; Bachelor’s in CS or equivalent experience.
Python, React, Javascript, SQL, Git, Docker, Kubernetes, CI/CD, Redux
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2w
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Front End Developer
Santa Monica or United States
RemoteFull Time
Helios Worldwide
Helios Worldwide: Global agency providing AI-powered marketing and workforce management solutions.
5+ YOECollege graduate in CS or related field (or equivalent experience), 5+ years development experience, proficiency in Vue/React, HTML, JavaScript, CSS, Git, state management libraries, cloud deployment experience; PHP/WordPress a plus.
Vue.js, React.js, HTML, JavaScript, CSS, Git, Pinia, Zustand, Recoil, Redux, PHP, WordPress, GCP, DigitalOcean, AWS
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3w
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Senior Software Engineer Engineer - Rejections & Denials
Mountain View or San Francisco or Los Angeles or New York City
$170k-$240k/yr HybridFull Time
Commure
Commure: AI-powered software platform for healthcare workflow and administrative automation.
5+ YOE5+ years software development experience; proficiency with TypeScript/React and Python or Go; experience with Git, GCP/AWS, Docker, Kubernetes, databases and monitoring; strong communication and architecture skills; BS/MS or equivalent experience.
Typescript, React, Python, Go, Git, GCP, AWS, Docker, Kubernetes
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1mo
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Principal Software Engineer
Thousand Oaks or United States
$144k-$195k/yr RemoteFull Time
Amgen
AmgenNASDAQ: AMGN: Develops and manufactures biotechnology medicines for serious diseases.
5+ YOE3+ MgmtRequires 5+ years frontend and backend development experience (React, TypeScript, Node.js, Python), 3+ years leading teams, experience with AI/LLMs and enterprise integrations, and experience designing APIs and microservices.
React, React.js, Next.js, TypeScript, Node.js, Python, Generative AI, Large Language Models (LLMs), Retrieval Augmented Generation (RAG), Azure OpenAI, OpenAI, Anthropic, Gemini, Azure, GitHub Actions, Azure DevOps, CI/CD, Infrastructure as Code, Docker, Kubernetes, LangChain, LlamaIndex, Semantic Kernel, Salesforce, Conga CLM, Conga CPQ, Model N, MuleSoft, Databricks, Anaplan
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2mo
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Software Engineer, UI/UX
El Segundo, California, United States
$131k-$150k/yr RemoteFull Time
ImmunityBio
ImmunityBioNASDAQ: IBRX: Develops next-generation immunotherapies for cancer and infectious diseases.
3+ YOE3+ years frontend development with Next.js, Svelte, and React; iOS/Android app experience; design tooling preferred.
Next.js, Svelte, React, React Native, TypeScript, Node.js, Bun, Figma, Sketch
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