Serova designs personalized mRNA cancer vaccines (founded 2024, 20 people, $35M raised). Founding role owning product end to end: design, frontend, backend. Comp: $185K-$205K base (flex for exceptional) + 0.05%-0.25% equity. Location: On-site 5 days (SF or London); remote only for exceptional; relocation case-by-case. Visa: Open to visa transfers (OPT, H1B transfers). Responsibilities • Build Serova's first patient- and clinician-facing product on top of internal data (antigen prediction, vaccine design, case status) • Rebuild the scientific dashboard from scratch: UX, visual design, implementation • Work with clinical, wet lab, manufacturing and engineering teams to design workflows • Build internal tools/front-end services (data access, follow-ups, CRO/manufacturing processes) on one shared DB • Lead new product surfaces concept-to-production (Postgres, Python, React/TypeScript) Tech stack: React, TypeScript, Python, PostgreSQL Source: https://www.paraform.com/share/serova/cmuoidko000ae0clb18832se1 • 1-6 yrs full-time engineering, owned a product end to end (FE+BE), ideally 0-1 at Seed-Series B • Real product and design taste; ships without spec/designer/PM • Track record of products non-engineers used • Bonus: design-engineer profile, dense-data/scientific UIs, founder or first-10 employee • On-site 5 days in SF or London