Senior Software Engineer - Frontend

Location: San Mateo, CA, United States

We are looking for a Senior Frontend Engineer to join our Pricing and Promo Pod. 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:

• Design, build, and optimize scalable frontend applications using modern JavaScript/TypeScript frameworks (React or similar).
• Collaborate with designers and product managers to translate requirements and wireframes into high-quality, performant code.
• Ensure accessibility, usability, and responsiveness across devices and browsers.
• 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.
• Strong proficiency in JavaScript, TypeScript, HTML5, CSS3, and modern frameworks (React preferred).
• 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.

At Fanatics, we value transparency and honesty. If you don’t meet every single requirement, that’s okay – we still want to hear from you! We believe in the power of diverse experiences and talents. If you’re excited about the role and confident that you can contribute, don’t hesitate to apply. We’re genuinely interested in how your unique skills and perspective can help us build something amazing together.

The salary range for this position is $160,000 - $190,000 which represents base pay only and does not include short-term or long-term incentive compensation. When determining base pay, as part of a final compensation package, we consider several factors such as location, experience, qualifications, and training.

Where You’ll Work and What’s required:

• Hybrid work environment flexibility, with Tuesdays, Wednesdays, and Thursdays in office; Mondays and Fridays days remote.
• Fast-paced team environment with exposure to multiple aspects of the Fanatics Commerce business.
• Ability to travel up to 10% of the time for partner meetings, events, and other related activities.

What’s in it For You:

• Culture: Join a team where you're surrounded by top-tier talent, driven by a shared passion to relentlessly enhance the fan experience. With a focus on collaboration, support, and continuous development, you’ll be empowered to help shape a culture that celebrates both individual and team successes. 
• Benefits: We provide a wide range of health, financial, legal, and development assistance, including wellness programs with fitness and weight management partners, paid maternity paternity leave, and infertility treatment. Additionally, we offer flexible time off to help you recharge, along with a competitive 401k plan to support your financial future. At Fanatics, we’re dedicated to supporting you in all aspects of work and life.

About Us

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