Job Summary:
Arena Club is pioneering the collectibles domain by introducing the first-ever digital card show. They are seeking a Principal Frontend Engineer to drive the architecture and implementation of their web applications, while also serving as a technical leader and mentor.
Responsibilities:
• Drive the architecture, design, and implementation of Arena’s web applications using React and TypeScript
• Set technical direction for frontend systems and frameworks that scale across multiple products and teams
• Collaborate closely with Product, Design, and Backend Engineering to define elegant, performant user experiences
• Lead complex initiatives from concept to launch — balancing long-term architectural vision with short-term delivery needs
• Build and maintain robust design systems, shared components, and standards that ensure consistency and speed
• Raise the engineering bar by mentoring teammates, conducting thoughtful code reviews, and establishing best practices
• Champion performance, accessibility, and reliability as core pillars of our web platform
• Identify and resolve architectural bottlenecks, ensuring high-quality, maintainable code at scale
Qualifications:
Required:
• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience)
• 8+ years of experience in frontend web development, with deep expertise in React and TypeScript
• 3+ years of experience leading or architecting web development projects or teams
• Strong understanding of modern web application architecture, state management (Redux, MobX, or similar), and build tools (Webpack, Babel, Vite, etc.)
• Proven track record of designing, implementing, and deploying production-grade web applications end-to-end
• Experience with automated testing, continuous integration, and modern DevOps workflows
• Skilled in balancing speed and quality — making informed tradeoffs while maintaining technical excellence
Preferred:
• Hands-on experience using AI tools (Claude or Cursor preferred; other agentic tools welcome) to ship code, build agents, and automate workflows
• Bonus: familiarity with cloud environments, API design, and performance monitoring tools
Company:
Arena Club reimagines sports card collecting with trusted trading, grading, and a fun digital-meets-physical experience. Founded in 2021, the company is headquartered in Los Angeles, USA, with a team of 51-200 employees. The company is currently Growth Stage.