Full Stack Engineer

Senior Fullstack Engineer - NY/SF NY, USA Apply for this job Senior Software Engineer San Francisco, CA or New York City, NY •Hybrid (Tue–Thu in office) • Full-Time $180,000 – $230,000 base + equity Our client is a fast-growing, AI-native platform in the creator economy, building the tools that help creators centralize their online presence, connect with audiences and partners, and run their businesses from one place. Their products serve millions of page views per day and are scaling toward billions. Series A, backed by strong investors, moving fast . ABOUT THE RO LEOur client is hiring a Senior Software Engineer to lead and own large parts of the product end-to-end, from ideation through to implementation. The role is balanced across frontend (React/TypeScript) and backend (Python), with meaningful ownership across the stack. You will build and iterate on AI-powered creator tools alongside AI PMs and ML engineers, lead frontend development with an eye for delightful UI/UX, and architect systems that hold up as the platform scale s. AI is not a productivity hack at this company. It is a fundamental shift in how the engineering team scopes, builds, and ships. Every engineer is expected to work this way and raise the bar over time. If you have already changed how you work because of AI tools and have opinions on where they break down, this is the right environment for y ou. WHAT YOU'LL OWNBuild and iterate on AI-powered creator tools working alongside AI PMs and ML engin eersBuild products operating at millions of page views per day and scale them toward bill ionsLead frontend development with strong attention to UI/UX qua lityDesign and build backend systems and understand how all moving pieces inte ractUse AI tools as your default starting point across scoping, planning, spec-writing, code generation, debugging, and code re viewDevelop a concrete point of view on what AI can and cannot do in pro duct REQUIRE MENTS Mus t-Have 5+ years of full-stack engineering exp erienceAI-native work style. You can speak concretely about how AI tools have changed your output or -pace in the last 6 monthsProduction usage of Cursor, Copilot, Claude Code, or comparable, with real opinions on where they help and where they fal l shortComfort using LLMs beyond code generation: planning, spec-writing, debugging, code reviewStrong TypeScript and React for f rontendStrong Python for backendFamiliarity with SQL and P ostgresBased in or willing to relocate to San Francisco or New Yo rk City Nice -to-Have Firebase or Flask e xperiencePrior startup e xperienceExperience building high-traffic consumer productsPrior collaboration with AI PMs or ML engineers WHAT OUR CLIENT IS L OOKING FOR The strongest candidates have a genuine pull toward early-stage environments. People who want ownership, impact, and the chance to shape a product, not just contribute to one. Startup experience is a strong signal. Big-company backgrounds can work if the motivation to move early-stage is real and clearly de monstrated. This role is a strong fit for engineers who are energized by the pace and intensity of building something from the ground up, who find momentum in ambiguity, take pride in shipping fast, and are genuinely excited by the commitment that early-stage company buildi ng requires.This is not the right fit if you are still getting started with AI tooling, or if you prefer to work within well-defined scope rather than hel p define it. COMPENSATIO N AND BENEFITS $180,000 to $230,000 base (higher band available for Staff-le vel candidates)Meaningful equity, 4-year ves t, 1-year cliff4 weeks PTO plus f ederal holidaysPlatinum medical, vision, and dental, 99 % employer-paid401(k), gym stipend, professional deve lopment stipendFull home office and equipmen t reimbursementRelocation assista nce to SF or NYLunch and dinner on in-office daysVisa sponsorship available (H-1B, OPT, O-1, transfers)