# Serova - Founding Product Engineer at deCircle

> Onsite · United States · Unspecified · Software engineering · open. Source: https://alderhq.app/jobs/recruitee%3Adecircletalentpartner%3A2780650 (read 2026-11-08).

## Facts (observed)

- Company: [deCircle](https://alderhq.app/companies/decircle)
- Location text: San Francisco, California, United States; London, England, United Kingdom
- Where it can be done from (inferred): Onsite · United States (evidence: "Location: San Francisco, California, United States; London, England, United Kingdom")
- Posted: 2026-10-12 (26 days ago)
- First seen by alder: 2026-11-04 · last verified: 2026-11-04
- Reposted: 0 times · edited: 0 times
- Apply on the employer's site: https://talent.makerdao.network/o/serova-founding-product-engineer
- Skills listed (inferred): TypeScript, React, Python, PostgreSQL

## Pay and sponsorship

- Posted pay: $185k–$205k per year (from the description)
- Market band for similar posted roles (SF Bay Area, n 1752): p25 $161k, median $200k, p75 $239k

## Description (the employer's text)

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

### Requirements

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

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Data: alder (https://alderhq.app). Cite https://alderhq.app/jobs/recruitee%3Adecircletalentpartner%3A2780650 and the date you read it. Observed facts come from the employer's own listing; location reach, level, family and skills are inferences.