76 senior frontend developer jobs at 48 companies in Reseda, CA
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Frontend Developer
El Segundo, California, United States
$126k-$138k/yrOnsiteFull Time
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
7+ YOE7+ years frontend development, strong Angular (2+), TypeScript/JavaScript, HTML5/CSS3, REST/GraphQL, Git, Agile, local to LA area or willing to relocate.
Krakow or San Francisco or Los Angeles or New York City or London or Singapore or Beijing or Seoul or Tokyo or Vancouver or Poland or North America or Europe or Asia or Africa or South America
RemoteFull Time
Sensor Tower: Provides digital market intelligence and mobile app analytics software.
4+ YOE4+ years engineering experience with JavaScript/TypeScript and React; ability to architect scalable frontend systems, design state management, write tests (Jest/Playwright), optimize web performance, mentor peers, and partner with product.
AmaWaterways: Provides luxury river cruise vacations on international waterways.
5+ YOE5+ years building web applications with React and Next.js, strong TypeScript, frontend performance, accessibility, REST/GraphQL integration, Builder.io experience, and ability to mentor junior developers. Bachelor's degree or equivalent experience.
Nominal: Software platform for testing and operating complex hardware systems.
5+ YOE5+ years building products for technical users, strong TypeScript and React experience, data-modeling and frontend architecture skills, experience with large datasets and real-time systems, excellent communication and product judgment.
The Trade DeskNASDAQ: TTD: Cloud-based programmatic advertising platform for data-driven media buying.
4+ YOEBachelor's in CS or related and 4+ years experience; expertise with JavaScript/TypeScript, React, C#, .NET, GraphQL, SQL Server, Git; experience with observability and CI/CD.
Sift: Software platform for high-frequency hardware telemetry observability.
8+ YOE8+ years engineering experience, strong frontend skills (React/NextJS/TypeScript), high-performance web app and browser optimization experience, product ownership and customer-facing collaboration, U.S. person required.
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.
Lendistry: Technology-enabled lender providing capital to small businesses.
6+ YOE6+ years front-end experience with React, expertise in architecting large-scale web apps, RESTful API integration, testing (Jest/Mocha/Cypress), performance optimization, mentorship, and strong communication.
React, TypeScript, Webpack, Jest, Mocha, Cypress, RESTful APIs, CI/CD
GDITNYSE: GD: Delivers IT and mission services to government agencies.
5+ YOEUS citizen able to obtain Public Trust 6C, 5+ years related experience, proven frontend architecture and leadership, React/Angular, JS/TypeScript, accessibility (WCAG/Section 508), automated testing and CI/CD experience.
Santa Ana or California or New Jersey or Texas or Florida or Shanghai or Hong Kong or Japan or Canada or Mexico or Germany or France or United States
$141k-$229k/yrHybridFull Time
Collectors: Providing authentication and grading services for high-value collectibles.
5+ YOE5+ years software engineering experience building consumer web apps; 4+ years with React and Next.js; fluent in TypeScript/JavaScript; experience with Tailwind CSS; testing, security, and Agile best practices; comfortable using AI tooling (Claude).
JavaScript, TypeScript, React, Svelte, Next.js, Tailwind CSS, Claude
BlackLineNASDAQ: BL: Provides cloud-based financial close and accounting automation software.
Expertise in Vue/Nuxt, modern JavaScript/TypeScript, headless CMS integration, SEO/CRO, analytics, web governance, and team leadership for enterprise marketing websites.
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOEActive SCI/TS clearance required, 5+ years software development experience (level-dependent), proficiency with modern front-end frameworks (Angular/React/Vue), front-end testing, API design, Linux, and Atlassian tools.
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOE5+ years software development experience, proficiency with modern front-end frameworks (Angular/React/Vue), front-end testing and security, experience on Linux/Unix, REST/GraphQL/gRPC, Atlassian tools, and active or obtainable SCI/TS clearance.
Software Engineer, Front End Developer (Experienced or Senior)
Albuquerque or Kent or El Segundo
$127k-$232k/yrOnsiteFull Time
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
3+ YOEBachelor's degree or equivalent, active U.S. Top Secret clearance, 3+ years front-end experience (HTML5, JavaScript, REACT, API integration), strong CS fundamentals and OOP; TS/SCI preferred; experience with cloud, CI/CD, and automation.
Software Engineer, Front End Developer (Experienced or Senior)
Albuquerque or Kent or El Segundo
$127k-$232k/yrOnsiteFull Time
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
3+ YOEBachelor's degree or equivalent, 3+ years front-end experience (HTML5, JavaScript, REACT), active U.S. Top Secret clearance required, strong CS fundamentals and object-oriented design.
KCRW: Operates a public radio station and multi-platform media service.
5+ YOE5+ years in product design and front-end development; strong Figma and VS Code skills; experience with React/Next.js/TypeScript, HTML5/CSS3/SCSS, accessibility (WCAG), headless CMS (Contentful), APIs, Git, and analytics.
Salt AI: Provides an AI orchestration platform for life sciences organizations.
Deep frontend craft with React and TypeScript, strong product and design taste, fullstack production experience (Python/Django, APIs), experience with AI-assisted tooling, and ability to work remotely during US time zones.
React, TypeScript, Python, Django, Claude Code, Cursor, Codex, GitHub