Senior Frontend Engineer – FanApp & Commerce Experience

Triwill Group; Redwood City (CA); On-site; USD 146,000 - 180,000; Full time

Job summary

Fanatics seeks a Software Engineer III to join the FanApp team, building the next-generation shopping experience with emphasis on search, recommendations, merchandising and product discovery. You will partner with product, design, backend, data, and platform teams to deliver reliable, scalable features end-to-end.

We value 5+ years of software engineering, strong JavaScript/TypeScript skills, REST API experience, and familiarity with Go or Java.

Qualifications

• 5+ years of professional software engineering experience building consumer-facing applications or platforms.
• Strong experience with modern frontend development technologies and patterns, including component-based UI development and API-driven applications.
• Solid foundation in JavaScript or TypeScript and experience building maintainable, scalable user-facing systems.
• Experience integrating with backend services using RESTful APIs and building resilient client-side data flows.
• Experience with Go, Java, or similar programming languages.
• Experience writing unit and integration tests and contributing to a culture of code quality and continuous improvement.
• Strong problem-solving, debugging, collaboration, and communication skills.

Responsibilities

• Design, build, test, and ship high-quality user experiences across FanApp surfaces — including search, recommendations, merchandising, promotions, and product discovery.
• Identify and resolve performance bottlenecks, improve app responsiveness, and help create exceptional, conversion-driving fan experiences.
• Implement instrumentation and eventing that help the team understand fan behavior, feature adoption, experimentation outcomes, and funnel performance.
• Support production excellence by debugging issues, improving observability, and contributing to a strong quality and release culture.
• Write clean, well-tested, maintainable code and consistently deliver well-scoped features with strong quality and measurable impact.

Skills

Frontend development

UI components

TypeScript/JavaScript

REST APIs

Go/Java

Testing

Team collaboration

Education

Bachelor's degree in Computer Science

Job description

Fanatics seeks a Software Engineer III to join the FanApp team, building the next-generation shopping experience with emphasis on search, recommendations, merchandising and product discovery. You will partner with product, design, backend, data, and platform teams to deliver reliable, scalable features end-to-end.

We value 5+ years of software engineering, strong JavaScript/TypeScript skills, REST API experience, and familiarity with Go or Java.