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142 javascript react engineer jobs at 70 companies in Fontana, CA

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Application Developer - JavaScript
Vienna or Charlotte or Louisville or Minneapolis or Olympia or Philadelphia or Redlands or San Antonio or St. Louis
$84k-$141k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years developing web applications with JavaScript; TypeScript and web framework experience preferred. Bachelor's degree in CS/engineering/math/GIS. Familiarity with digital cartography, EM visualization, code management, and CI/CD.
JavaScript, TypeScript, ArcGIS Maps SDK for JavaScript, ArcGIS Experience Builder, React, Angular, Svelte, Vue, WebGL, CI/CD
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2mo
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Javascript - Senior Developers - AI Training - Long Beach, US
Long Beach, California, United States
$50/hr RemoteContract
Prolific
Prolific: Platform connecting researchers and AI developers with verified participants.
BS/MS/PhD in CS or related; professional experience building scalable web apps with JavaScript/TypeScript; ability to solve LeetCode Medium–Hard problems; deep knowledge of JS internals and modern ES6+ practices; expertise in testing and frameworks.
JavaScript (ES6+), TypeScript, React, Node.js, Vue, Angular, Jest, Cypress, Webpack, Vite, GraphQL, LeetCode
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1w
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Senior Software Engineer
Brea, California, United States
$130k-$147k/yr HybridFull Time
RAVE Aerospace
RAVE Aerospace: Developing in-flight entertainment and connectivity systems for airlines.
6+ YOEBachelor's in Engineering/CS or equivalent, 6+ years software development, experience with C/C++ and modern stacks (Qt/QML, Node.js, Golang, React, Typescript, Python), and systems-level debugging.
C, C++, Linux, UNIX, Microsoft .NET, C#, JavaScript, SQL, Qt/QML, Node.js, Golang, React, Typescript, Python, PostgreSQL, Docker, MQTT, Microservices, npm, Bower, Webpack
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2mo
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Software Engineer
Los Angeles, California, United States
HybridFull Time
ALKEME Insurance
ALKEME Insurance: Insurance brokerage and risk management services provider.
Bachelor's in Computer Science/Engineering or equivalent experience; proficiency in Java, Python, C#, or JavaScript; familiarity with web frameworks (React, Angular, Node.js) and SQL/NoSQL; strong problem-solving and communication skills.
Java, Python, C#, JavaScript, React, Angular, Node.js, SQL, NoSQL
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1mo
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Software Engineer
Costa Mesa, California, United States
$166k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOE5+ years software engineering experience, Bachelor's in CS/IS/EE or related, proficiency with JavaScript, React, TypeScript, Next.js; experience with enterprise/high-availability systems; U.S. Person required; Top Secret eligibility preferred.
Lattice OS, ArsenalOS, Forge, JavaScript, React, TypeScript, Next.js, ERP, MES, WMS, CRM
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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
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1mo
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Mid/Senior Frontend Developer
London or San Francisco or Los Angeles or New York City or Singapore or Beijing or Seoul or Tokyo or Vancouver or North America or Europe or Africa or Asia or South America
HybridFull Time
Sensor Tower
Sensor Tower: Provides digital market intelligence and mobile app analytics software.
4+ YOE4+ years software engineering experience with deep expertise in JavaScript/TypeScript and React; experience architecting complex state management, testing with Jest/Playwright, web performance, and mentoring peers.
JavaScript, TypeScript, React, TanStack Query, React Router, Zustand, Redux, MobX, NextJS, Jest, Playwright, Highcharts, Ruby on Rails, Angular, Clickhouse, Mongo, Postgres, Sidekiq, Zoom
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1mo
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Staff Software Engineer
Irvine, California, United States
OnsiteFull Time
BD
BDNYSE: BDX: Manufactures medical devices, surgical instruments, and pharmacy automation systems.
7+ YOEBachelor's in CS/IS/engineering required (Master's preferred); 7+ years building large-scale healthcare software; 2-3 years running production on AWS; experience leading engineers; expertise in Go, Java, React/JavaScript, HL7/FHIR, RESTful APIs, cloud services and testing.
Go, Java, React, JavaScript, AWS, AWS Step Function, Airflow, HL7/FHIR, RESTful APIs
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Software Engineer - eCommerce
Irvine, California, United States
$100k-$167k/yr HybridFull Time
Panasonic Avionics Corporation
Panasonic Avionics CorporationTokyo Stock Exchange: 6752: Provides in-flight entertainment and connectivity systems for airlines.
10+ YOE10+ years software development experience; strong Java, Spring Boot, microservices and AWS skills; experience with NodeJS/JavaScript/TypeScript and ReactJS; RESTful APIs, databases, CI/CD and payment industry knowledge a plus.
Java, Spring Boot, AWS, NodeJS, JavaScript, TypeScript, ReactJS, OpenAPI Specification, MySQL, PostgreSQL, DynamoDB, AWS RDS/Aurora, Bash, TCP/IP, UDP, HTTP, GitLab, AWS CodePipeline, AWS CodeCommit, CDK, QuickSight, Tableau, Grafana
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1mo
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Full-Stack Engineer (Backend Focused)
Los Angeles or Alabama or Alaska or Delaware or District of Columbia or Hawaii or Iowa or Louisiana or Mississippi or Nebraska or New Mexico or Rhode Island or South Dakota or West Virginia or United States
$140k/yr HybridFull Time
TeamSnap
TeamSnap: Software platform for managing youth sports teams and leagues.
2+ YOE2+ years software engineering experience; strong backend skills with Node and TypeScript/JavaScript, frontend experience with React, SQL/relational databases, distributed systems and API development.
Node, TypeScript, JavaScript, React, SQL, MySQL, GCP Cloud SQL
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1mo
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Full Stack Engineer
Irvine, California, United States
$125k-$140k/yr OnsiteFull Time
ICEYE
ICEYE: Operates synthetic aperture radar (SAR) satellite constellations.
2+ YOEBachelor's degree in CS/IT, 2+ years full‑stack development with production AWS deployments; proficiency in Go, FastAPI, React, and experience with RESTful APIs and cloud-native patterns; eligible for Top Secret clearance.
Go, Python, React, FastAPI, AWS, Kubernetes, AWS CDK, Terraform, JavaScript, TypeScript, IAM, API Gateway, Lambda, DynamoDB
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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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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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1mo
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Senior Software Engineer, RCM Billing
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 building scalable full-stack applications; proficiency with JavaScript/React, Python, and PostgreSQL; strong architecture, observability, performance, and mentoring skills.
ReactJS, React, Vue, JavaScript, Python, PostgreSQL, GraphQL, REST, gRPC, CI/CD, EHRs
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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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Full Stack Engineer 4 - User & Access Management Engineering
Los Gatos or Seattle or New York City or Los Angeles
$250k-$413k/yr OnsiteFull Time
Netflix
NetflixNASDAQ: NFLX: Provider of global streaming entertainment and video content.
Experienced full-stack engineer with backend in Java/C# and frontend in HTML/JavaScript/TypeScript/CSS/React, API design (GraphQL/REST), distributed systems knowledge, and on-call/incident experience.
GraphQL, REST, Java, C#, HTML, JavaScript, TypeScript, CSS, React
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1mo
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Senior Software Engineer, Full-Stack (Power Packs)
California or San Francisco or Oakland or Berkeley or Santa Ana or New Jersey or Texas or Florida or Japan or Shanghai or Hong Kong or Canada or Mexico or Germany or France
$141k-$229k/yr HybridFull Time
Collectors
Collectors: Providing authentication and grading services for high-value collectibles.
5+ YOE5+ years engineering experience with strong backend focus, 3+ years Java and Spring Boot, frontend experience with Javascript/Typescript/React/NextJS, database and containerization experience, API design, and familiarity with Agile and AI tooling.
Javascript, Typescript, React, NextJS, Java, Spring Boot, PostgreSQL, DynamoDB, Docker, Kubernetes, ECS, Claude, Apache Kafka, Python, pytest, unittest, AWS, AWS Lambda, Svelte, SvelteKit, Twitch
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2w
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Staff Software Engineer, PEO Benefits
Denver or San Francisco or New York or Toronto or Los Angeles or Seattle
$163k-$247k/yr HybridFull Time
Gusto
Gusto: Cloud-based payroll and HR software for small businesses.
8+ YOE8+ years software development experience, PEO experience preferred, experience with large Ruby on Rails and JavaScript/React applications, AI tool fluency, and mentoring ability.
Ruby on Rails, Javascript, React
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2mo
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Full Stack Engineer, Growth
Los Angeles or New York
$131k-$175k/yr OnsiteFull Time
Fanatics
Fanatics: A global digital sports platform for merchandise and collectibles.
5+ YOE5+ years of professional full stack development; JavaScript/TypeScript, React, Node.js; analytics/tracking, A/B testing, APIs; scalable systems; cross-functional collaboration.
JavaScript, TypeScript, React, Node.js
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2w
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Full Stack Engineer
Los Angeles, California, United States
$89k-$136k/yr RemoteFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global advertising and digital transformation agency holding.
8+ YOE8+ years full‑stack experience; expert in Node.js, JavaScript, TypeScript, React; experience with microservices, gRPC, relational databases, Redis, AWS, Docker/Kubernetes; US work authorization required.
TypeScript, gRPC, React, GoLang, Redis, Memcached, MariaDB, MySQL, Postgres, RESTful APIs, Node.js, JavaScript, StoryBook, CSS/SASS, AWS, Docker, Kubernetes, GraphQL, Flask, FastAPI, Kafka, Python, Figma
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