Staff Frontend Engineer

Overview Ref: 118318 Staff Frontend Engineer Incredible opportunity with a well-funded AI startup that's solving a genuinely difficult problem in manufacturing. This role is highly collaborative and hands-on. You'll contribute to frontend architecture and technical decision-making alongside other engineers, help set quality and engineering standards through example, and mentor teammates through code reviews and shared problem-solving. You'll be expected to operate with autonomy, navigate ambiguity, and consistently deliver production-ready work that balances user experience, technical excellence, and business impact. Role Responsibilities Responsibilities will include: Designing, building, and maintaining core user-facing features in a web application Translating product requirements and design direction into polished, responsive, and accessible UI Contributing to frontend architecture, patterns, and technical decisions in collaboration with engineering peers Leveraging agentic tools (Claude Code, Cursor) throughout the development cycle Instrumenting, monitoring, and debuging production frontend issues using observability tooling (Datadog RUM, tracing, structured logging) Providing thoughtful code reviews and mentorship to support team-wide quality and growth. Person Specification Essential skills will include: 7+ years of professional frontend or full-stack engineering experience building and shipping production web applications Proven experience operating as a staff or principal-level individual contributor within a collaborative engineering team. Experience collaborating closely with Product and Design partners to iterate on UX and balance technical and product tradeoffs. Track record building AI-powered product surfaces: chat interfaces, streaming responses, optimistic/incremental rendering, and designing UX around non-deterministic outputs. Comfort operating in ambiguous, fast-moving environments and managing individual priorities without heavy process or oversight. Fluent with agentic coding tools (Claude Code, Cursor, or similar), comfortable delegating implementation to agents, reviewing and validating AI-generated code, and knowing when not to. Advanced proficiency in TypeScript, React, HTML, and CSS, with a track record of building complex, user-facing features. Experience with modern state management patterns using React Query for server state and Zustand for client state. Experience with monorepo tooling and workflows (Turborepo, Nx, or similar) and managing dependencies across multiple frontend packages. If you would like to work in an agent-native engineering team where engineers routinely run Claude Code and Cursor against there monorepo and invest in the context, custom commands, and skills that make them effective then this could be a great option for you! Next Steps Apply by contacting Rebekah Lamont rlamont@fpsg.com Equal Opportunities FPSG is committed to equal opportunities regardless of gender, race, disability, sexual orientation, religion or belief and age.