Sr. Frontend Engineer, Claude Code, Cursor, 100% Remote

Pop-Up Talent · Redwood City, CA, US

PostJobFree Posted Apr 28, 2026 First seen May 17, 2026
he Opportunity As a Senior Frontend Engineer, you will play a critical role in shaping the technical direction of our platform's user experience. You will lead the design and delivery of high-quality, performant, and scalable frontend systems while collaborating closely with backend engineers to contribute across the full stack when needed. Beyond hands-on development, you will serve as a technical leader: guiding component architecture, mentoring engineers, and driving initiatives that raise the bar for UI quality and frontend engineering practices. This role requires strong ownership, deep problem-solving skills, and excellent communication. You will operate in a small, highly collaborative team where clarity, accountability, and impact matter. Hands-on experience building AI-powered features and using AI tools to improve engineering productivity is required. What You'll Do Lead by example: contribute high-quality React code and set the standard for frontend craftsmanship across the platform Shape architecture: design scalable component systems, state management patterns, and frontend infrastructure that support long-term growth Mentor engineers: coach and support teammates through code reviews, design discussions, and problem-solving Own complex problems: drive investigation, debugging, and resolution of performance, rendering, and scalability challenges Drive execution: translate product and design requirements into clear technical designs and well-scoped Jira tickets Collaborate cross-functionally: work closely with product, design, and backend partners to deliver impactful, end-to-end solutions Establish best practices: improve standards around code quality, accessibility, performance, and reliability Champion improvement: introduce new tools, patterns, or approaches including AI-enabled workflows where they add real value What You Bring 7+ years of professional software engineering experience, with a strong focus on building and owning modern frontend applications Deep expertise in React and modern JavaScript/TypeScript, including component architecture, state management, and frontend application design Experience using AI-assisted development tools such as Claude Code or Cursor to accelerate frontend development and improve engineering productivity Strong product and design sensibility, with a high bar for UI quality, usability, consistency, and craft Proven track record designing frontend architectures that scale across teams, products, and complex user workflows Strong knowledge of performance optimization, accessibility, responsive design, and modern frontend best practices Deep debugging and problem-solving skills in browser-based applications, with the ability to quickly identify and resolve issues across frontend-backend boundaries Proficiency with GitHub-based development workflows, including pull requests, code review practices, branching strategy, and CI/CD automation using GitHub Actions Ability to work effectively with backend systems and APIs, contributing where needed while keeping frontend excellence as the primary focus Experience as a technical leader who can drive frontend direction, mentor engineers, and raise the quality bar across the team Excellent communication skills and the ability to work closely with design, product, and engineering partners Nice to Have Experience building or integrating AI-powered features Familiarity with LangGraph, LangChain, or similar agent-based frameworks Experience with data-rich UIs: dashboards, analytics, or complex data visualization Background in design systems or shared component libraries Experience with Cypress or end-to-end testing frameworks Background in DevOps and CI/CD practices Within Your First 6 Months 1 Month Ramp up on systems, ship initial contributions, and build context across the platform and team. 3 Months Own features end-to-end, mentor peers, and influence frontend architecture decisions. 6 Months Lead a major frontend initiative, establish guardrails, and raise the bar on performance, scalability, and engineering practices including thoughtful use of AI where valuable. We are a no-ego bunch, and super excited to build an awesome team in a category-creating company together!