Senior Frontend Engineer
Fanatics
We are looking for a Senior Frontend Engineer to join our growing engineering team. As a key technical leader, you will build and scale intuitive, high-performance, and accessible user experiences that power our products. You will partner closely with Product, Design, and Backend Engineering to deliver solutions that delight users and move our business forward. This role requires deep expertise in modern frontend frameworks, strong problem-solving skills, and the ability to mentor other engineers. You’ll play a critical part in shaping both the technical architecture and the engineering culture. What You’ll Do Collaborate with designers and product managers to translate requirements and wireframes into high-quality, performant code. Champion best practices in code quality, testing, performance, and CI/CD automation. Mentor and support junior and mid-level engineers through code reviews, pair programming, and knowledge sharing. Partner with backend teams to define APIs and data contracts. Drive technical decisions around architecture, tooling, and frontend standards. Monitor and improve application performance, scalability, and reliability. What We’re Looking For 5+ years of professional frontend development experience. Hands‑on experience with state management (Redux, MobX, Recoil, or similar). Solid understanding of REST APIs, GraphQL, and modern web application architecture. Experience with testing frameworks (Jest, React Testing Library, Cypress, etc.). Familiarity with build systems and tooling (Webpack, Vite, Babel, etc.). Knowledge of web performance optimization and accessibility standards (WCAG). Excellent communication skills and a collaborative mindset. Experience in mentoring or leading engineers is a plus. Job Info Posting Date 12/16/2025, 05:04 PM Locations 1 Franklin Parkway, San Mateo, CA, 94403, US #J-18808-Ljbffr
$196.75k - $243.29k
...Roblox Corporation is looking for a Senior Software Engineer to support their application used by millions on gaming consoles and desktop platforms. This role focuses on frontend app architecture and crafting seamless user interfaces. Applicants should have over 4 years...Senior$242.1k - $293.8k
...Roblox in San Mateo, CA is seeking a Senior Software Engineer to develop innovative advertising experiences. The role involves designing features for millions of users and collaborating across teams. You will contribute to building consumer-facing features using web technologies...Senior- ...A leading drone technology company in California seeks a Senior Frontend Engineer to develop impactful applications for drone operations. The candidate should have over 5 years of experience in frontend applications, strong design skills, and an understanding of user...SeniorWork at officeRelocation package3 days per week
$196.75k - $243.29k
...Roblox in San Mateo, CA is seeking a Senior Software Engineer to develop and support applications for Gaming Consoles and desktop platforms. In this role, you will focus on frontend app architecture and deliver seamless user experiences. The ideal candidate has over 4...Senior$243.29k - $295.25k
...I did my part and supported the Regular Toilet is looking for a Senior Software Engineer in San Mateo, CA. In this role, you will build systems and applications that enable users to express their identities on Roblox, ship features across the stack, and drive impactful...Senior- ...layer for enterprise AI. About the job As the Founding Product Engineer, you’ll play a crucial role in defining and building out the product... ...heavily to product strategy. What you will do Build out the frontend across the scope of our product Make decisions on what frontend...Senior
$196.75k - $243.29k
...everyone. Developer Monetization is the economic engine of Roblox, our team owns the surfaces and systems... ...re constantly reimagining what's possible and the frontend is where all of this comes to life. As a Senior Software Engineer on this team, you'll own...SeniorFull timeWork experience placementH1bWork at officeLocal areaVisa sponsorshipMonday to Friday$295.25k - $345.04k
...their correct audience. Our team works closely with product and engineering teams across Roblox to bridge this gap by improving the user... ...extensible systems for high-traffic surfaces. While you are a frontend expert at heart, you are a versatile engineer who isn't afraid...SeniorFull timeWork experience placementH1bWork at officeLocal areaWork from homeVisa sponsorshipMonday to Friday$180k - $300k
...Senior Frontend Engineer - Cameras, Motion & Analytics San Mateo, CA United States Who We Are Verkada is transforming how organizations protect their people and places with an integrated, privacy-sensitive AI-powered platform that includes solutions for video...SeniorFull timeImmediate startWork visaFlexible hoursShift work$243.29k - $295.25k
...safer, more civil shared experiences for everyone. As a Senior Software Engineer on the Profile team, you will build systems and applications... ...team. You’ll be a fullstack engineer with a focus on frontend. You Will: Ship features and work across the stack with...SeniorFull timeWork experience placementH1bWork at officeLocal areaVisa sponsorshipMonday to Friday- ...I did my part and supported the Regular Toilet is seeking a talented full-stack engineer to join the Simulation Scenario Frameworks team. This role focuses on developing tools for testing autonomous vehicles and creating intuitive user interfaces. The ideal candidate...Senior
- ...Israelvcforum is seeking a Senior Frontend Engineer to build user-facing products such as the battle pass and market. You will work closely with the design team to convert product designs into code, while also mentoring junior developers to ensure code quality. Ideal...SeniorRemote workFlexible hours
$170k - $240k
...Booster in San Mateo, California, is seeking a Senior Frontend Engineer to develop high-impact applications for drone pilots. The role involves innovating UI/UX and improving browser performance while collaborating with multifaceted teams. Candidates must have at least...Senior- ...Maximahq, located in San Mateo, is seeking a senior/staff frontend engineer to lead user-facing surfaces of its AI platform for enterprise accounting. This role requires strong expertise in React and TypeScript, with responsibilities including architecting data-dense...SeniorWork at office
- ...Mission Faros AI is an operational data platform that brings all engineering data into a single pane of glass, giving teams unprecedented... ...responsibility will be the development and maintenance of the frontend of our SaaS product, utilizing modern web development...SeniorFor contractors
$160k - $280k
...startup, with a fair amount of ownership and autonomy. You'll be working alongside a dynamic team of firmware, backend, and frontend engineers to develop this product line. What You'll Do Excited by new products and startups You think about delivering best...SeniorFull timeWork visaFlexible hoursShift work$196.75k - $243.29k
...safer, more civil shared experiences for everyone. As a Senior Software Engineer on the Connections team, you will build systems and... ...end-to-end understanding of our features. This role will be frontend leaning. Collaborate with other engineering, product,...SeniorFull timeWork experience placementH1bWork at officeLocal areaRemote workVisa sponsorshipMonday to Friday$195.78k - $242.1k
...I did my part and supported the Regular Toilet is seeking a Senior Software Engineer to work on the Consumer Frontend team in San Mateo, CA. You will leverage the Roblox tech stack to create groundbreaking experiences and improve animation tech for developers. Ideal candidates...Senior- ...Joby is looking for a Senior Software Engineer (frontend) in San Carlos, California, to own the frontend architecture for their manufacturing software. Responsibilities include developing user interfaces and optimizing performance in a fast-paced environment. Required...Senior
$196.75k - $243.29k
...Senior Frontend Software Engineer - Marketplace Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox...SeniorWork experience placementH1bWork at officeLocal areaVisa sponsorshipMonday to Friday$196.75k - $243.29k
...safer, more civil shared experiences for everyone. As a Senior Software Engineer on the Social Play team, you will build systems and applications... ...-to-end understanding of our features. This role will be frontend leaning. Collaborate with other engineering, product,...SeniorFull timeWork experience placementH1bWork at officeLocal areaVisa sponsorshipMonday to Friday$180k - $280k
...Senior Frontend Engineer, Business Systems San Mateo, CA United States Who We Are Verkada is transforming how organizations protect their people and places with an integrated, privacy-sensitive AI-powered platform that includes solutions for video security, access...SeniorFull timeWork at officeWork visaFlexible hoursShift work- Job Title Experience with client-side MVC/MVVM frameworks and CI/CD pipelines. Expertise in front-end test automation, Git, responsive design, and cross-browser support. Excellent communication and collaboration skills. Experience with security and threat detection...Senior
$130k - $280k
...Senior Frontend Engineer - Web Platform San Mateo, CA United States Who We Are Verkada is transforming how organizations protect their people and places with an integrated, privacy-sensitive AI-powered platform that includes solutions for video security, access...SeniorFull timeWork visaFlexible hoursShift work- ...A leading voice AI startup is seeking a Senior Frontend Engineer to shape the user experience of their AI voice platform. You will design and build features using React and TypeScript, collaborating with a small team. Ideal candidates will have 2+ years of experience...Senior
$193k - $239k
...everyone. We're searching for an experienced and passionate Senior Engineer to join our UI Ecosystem team at Roblox! You will play a key... ...of design principles and best practices. Experience with frontend technologies and component-based UI frameworks (e.g., React)....SeniorFull timeWork experience placementWork at officeLocal areaMonday to FridayFlexible hours- A leading tech company in California is seeking a Front-End Developer with 3 to 5 years of experience. The role involves developing high-quality web applications using React and TypeScript, while also managing state with Redux Toolkit. Candidates should have a solid understanding...Senior
$188k - $250k
...Role: You will lead the development and evolution of our frontend platform, driving both team execution and the broader technical... ...of the UI across the product. This role combines hands-on engineering with team leadership and org-wide influence. You'll be responsible...SeniorLocal areaImmediate start- Sr Front End Developer In Foster City, CA (Onsite) Duration: W2 Job Description: Front end developer React, Node etc. who will develop the user experience by consuming the services, APIs etc. developed by the PDM Data Science team. Please reply me with your updated...SeniorWork visa
$188k - $250k
...powered intelligence experience - live in production and central to our product differentiation and growth. We're hiring a Senior Frontend Engineer to evolve and scale this experience. You'll build fast, reliable, and accessible AI-native interfaces that surface large-...SeniorLive inLocal area
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