Last updated: 2025-08-02
21 Frontend Software Engineering jobs in Los Angeles.
Endless Commerce
At Endless Commerce, we’re transforming multi-channel commerce infrastructure with a platform that streamlines order management, fulfillment, and integrations …
Los Angeles
- Skills: TypeScript, Next.js, RailsJS, front-end development, JavaScript frameworks, API integration, web performance optimization, Agile methodologies, cloud platforms, mentorship
- Level: mid
- Type: full_time
Sleeper
Sleeper is a rapidly expanding platform for fantasy sports and games, revolutionizing how sports fans connect and engage. Over 10+ years of operation, we have …
Los Angeles
- Skills: React Native, TypeScript, frontend development, RESTful APIs, GraphQL, UI components, state management, performance optimization, debugging, mobile development best practices
- Level: mid
- Type: full_time
Gusto
Gusto is a modern, online people platform that helps small businesses take care of their teams. On top of full-service payroll, Gusto offers health insurance, …
Los Angeles
- Skills: Software Engineering, Payments, Risk Management, Ruby on Rails, TypeScript, React, Scalability, Architecting Systems, Collaboration, Distributed Systems
- Level: senior
- Type: full_time
Proton
Proton is leading the charge in revolutionizing the wholesale distribution industry through AI-powered sales software, enabling distributors to anticipate cust…
Los Angeles
- Skills: Vue.js, Frontend Development, JavaScript, TypeScript, HTML5, CSS3, RESTful APIs, CI/CD, Agile/Scrum, Unit Testing
- Level: mid
- Type: full_time
Viant
Irvine
- Skills: Demand Side Platform (DSP), backend services, frontend UI, cloud-based infrastructure, software solutions, scalable solutions, performance, fault-tolerance, design discussions, bug triage
- Level: mid
- Type: full_time
The Trade Desk
The Trade Desk is a global technology company with a mission to create a better, more open internet for everyone through principled, intelligent advertising.
Irvine
- Skills: JavaScript, TypeScript, frontend, software development lifecycle, agile, user experience, distributed systems, automated tests, product features, mentorship
- Level: senior
- Type: full_time
JobsForHumanity
Los Angeles
- Skills: responsive UIs, HTML, CSS, JavaScript, React, Vue, Angular, API integration, speed optimization, code reviews
- Level: mid
- Type: full_time
Sony Interactive Entertainment
PlayStation isn’t just the Best Place to Play — it’s also the Best Place to Work. Today, we’re recognized as a global leader in entertainment producing The Pla…
Los Angeles
- Skills: JavaScript, React, React Native, Agile, telemetry, CI/CD, scalable solutions, software libraries, documentation, collaboration
- Level: mid
- Type: full_time
Relativity Space
At Relativity Space, we have two audacious goals: to build the next great commercial launch company with Terran R and to become America's leading force in addi…
Long Beach
- Skills: ERP stack, manufacturing execution systems, production planning engines, workflow orchestration, Python, React, TypeScript, Kubernetes, Terraform, automated decision-making
- Level: entry
- Type: full_time
Magnite
Magnite (NASDAQ: MGNI) is the world’s largest independent sell-side advertising platform. Publishers use our technology to monetize their content across all sc…
Los Angeles
- Skills: JavaScript, React, Redux, TypeScript, Webpack, CSS, APIs, CI/CD, Ruby, Git
- Level: mid
- Type: full_time
Q-CTRL
Founded in 2017, Q-CTRL has grown to become the global leader in quantum technology, using control to solve the hardest problems facing quantum technology.
Los Angeles
- Skills: quantum technology, back-end engineering, performance management, scalable systems, software development, research collaboration, quantum sensors, engineering, innovation, performance gains
- Level: mid
- Type: full_time
Google is a global technology leader focused on providing access to the world’s information in one click.
Los Angeles
- Skills: software development, software design, data structures, algorithms, technical leadership, software testing, user interface design, machine learning, distributed computing, open source
- Level: mid
- Type: full_time
AtoB
AtoB is building Stripe for Transportation — modernizing the payments infrastructure for trucking and logistics, where capital movement occurs quickly and tran…
Los Angeles
- Skills: SaaS, FinTech, payments, APIs, React, Ruby, Postgres, architecture, B2B, B2C
- Level: mid
- Type: full_time
Vast
At Vast, our mission is to contribute to a future where billions of people are living and thriving in space. We are building artificial gravity space stations,…
Long Beach
- Skills: GNC simulations, cloud computing, front-end development, data management, Monte-Carlo simulations, CI/CD pipelines, 3D visualizations, engineering applications, team collaboration, problem solving
- Level: mid
- Type: full_time
AtoB
AtoB is building Stripe for Transportation, modernizing the payments infrastructure for the trucking and logistics industry, focusing on improving customer exp…
Los Angeles
- Skills: SaaS, payments infrastructure, customer experience, frontend, backend, APIs, real-time risk controls, architecture discussions, automated tests, clean abstractions
- Level: mid
- Type: full_time
Harbinger Motors Inc.
Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbinger’s best-in-class team…
Garden Grove
- Skills: React, TypeScript, Next.js, JavaScript testing, HTML5, CSS3, responsive design, GitHub, UI/UX, cloud platforms
- Level: mid
- Type: full_time
Passes
Passes is a leading platform dedicated to empowering creators and fostering meaningful connections with their audiences. We are committed to providing innovati…
Los Angeles
- Skills: React, React Native, Vercel, NextJS, tailwind, yarn, webpack, UI/UX, performance optimization, collaborative design
- Level: mid
- Type: full_time
iolo / RealDefense
iolo / RealDefense develops patented technology and award-winning software that repairs, optimizes, and protects computers, to maximize system speed and perfor…
Pasadena
- Skills: WPF, XAML, C#, .NET, software lifecycle, GUI, web service SDKs, communication skills, Blend, 3D rendering
- Level: mid
- Type: full_time
First Resonance
First Resonance accelerates the speed and reliability of hardware development for companies manufacturing the next generation of hardware products. This includ…
Los Angeles
- Skills: React, JavaScript, TypeScript, GraphQL, UI/UX, Testing, Agile, Micro-frontends, SaaS, Architecture
- Level: mid
- Type: full_time
Machina Labs
Machina Labs is a smart manufacturing company backed by major investors in AI and Deep Tech (Innovation Endeavors, Nvidia NVentures, Lockheed Martin Ventures),…
Los Angeles
- Skills: React, TypeScript, UI/UX, Figma, RESTful APIs, Docker, 3D visualization, cloud deployment, frontend performance, robotics
- Level: mid
- Type: full_time