Senior Front End Engineer

Senior Frontend Engineer

Location: San Francisco, CA Position Type: Full-Time, In-Person

We’re building a gamified developer platform empowering tens of thousands of coders to compete in exciting software engineering challenges – all while pushing the frontier of LLMs!As a Senior Frontend Engineer, you'll become part of a passionate, fast moving team dedicated to solving challenging technical problems, designing engaging gamification experiences, and shaping the foundations to support the collective effort of developers worldwide.

What You’ll Do

• Design and implement intuitive, attractive, and engaging user interfaces that captivate developers
• Collaborate closely with product managers, designers, and backend engineers to build seamless gamified experiences and interactive coding challenges
• Architect scalable frontend solutions, ensuring maintainability, performance, and reliability as our platform rapidly grows
• Drive frontend best practices, code quality, and mentorship within the engineering team
• Continuously experiment, iterate, and optimize user experiences based on data-driven insights and user feedback

• 3+ years of experience building scalable, performant frontend applications using React and TypeScript
• Strong proficiency in styling responsive, attractive user interfaces with Tailwind CSS
• Solid understanding of data fetching, state management, and API integration using GraphQL
• Proven ability to architect maintainable, modular frontend codebases and establish best practices
• Experience building and maintaining reusable component libraries and frontend design systems
• Familiarity with frontend testing frameworks and best practices (e.g., Vitest, React Testing Library, MSW)
• Passion for crafting delightful user experiences and attention to detail in UI/UX design
• A proactive mindset, iterating quickly based on user feedback and data-driven insights

• Experience with Relay for efficient GraphQL data management and client-side caching
• Familiarity with frontend code generation tools and workflows (e.g., Plop)
• Knowledge of modern CI/CD practices, including automated testing, linting, and deployment pipelines
• Interest in developer tooling and improving engineering productivity