We're assisting a well-funded product and research startup with their search for a Sr. Frontend Platform Engineer to work on one of their consumer apps. The role will be onsite in their NY office.

What you'll do:

Work directly with the CTO to build and ship new product features (screens, dashboards, UIs, interactive experiences) users will love Create visualizations and insights based on user media consumption data Help architect and scale the frontend for performance and maintainability Collaborate closely with product team - including the CEO, designer and user researcher. Make key technical decisions across the stack Be responsible for crafting scalable front-end architecture. Ensure code and product quality. Implement engineering best practices across development and deployment. Guide/mentor other engineers What you'll bring: 5+ years of experience architecting frontend systems for performance and scale. Should have demonstrated ability to lead architectural decisions for frontend systems, ideally in fast-growing startups. Experience building customer-facing product features with complex UIs Experience in early product development (taking features from 0 to 1) History of cross-functional collaboration with designers and product teams Experience working at an early-stage or high-growth startup, ideally working on consumer-facing applications or platforms Bachelor's degree in Computer Science, Engineering, or related technical field (or equivalent practical experience) Strong TypeScript and React skills and experience Experience with frontend architecture and state management Some full-stack capabilities (ability to work with databases when needed) Performance optimization skills (bonus would be experience with complex UIs and 3D elements) Knowledge of optimal data fetching patterns and rendering optimization Pragmatic product engineering mindset ; knows when to take on technical debt, descope features, work on architecture, and prioritize enablers. Collaborative mindset --experience working closely with other product/design/engineering teams, comfortable with some organized chaos