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Rounds/Nickel/Data Architect·#57258
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Healthcare·Pre-Seed·San Francisco, California

Data Architect

at Nickel — Healthcare
Location
San Francisco, California
Type
Full-Time
About Nickel
Nickel's mission is to add ten healthy years to your life — specifically to democratize billionaire-quality longevity care at employer-plan cost. The best doctors in the world spend extraordinary time with their patients, integrate aggressive diagnostics and longevity science into a tailored journey, and build the business model around the patient rather than insurance. Nickel is bringing that standard of care to everyone. The product architecture is unusual and technically ambitious: - Sovereign on-premise hardware: a GPU-equipped box that lives inside the physician's clinic. Patient data never leaves the practice. Sub-second local compute - Software stack: integrates with EHRs (Epic, Athena), wearables (Apple Watch, Samsung, Fitbit, Aura Ring), lab work, and imaging systems including Prenuvo full-body MRI - In-clinic camera and ambient voice: during appointments, the box captures body signals (skin flush, fatigue, posture) alongside voice — synthesizing multi-modal signals into a physician-facing recommendation - Human-in-the-loop AI: the AI generates concierge-medicine recommendations. The physician reviews and approves before anything reaches the patient. Nickel does not replace physicians; it 10x's their throughput - Marketplace layer: patients get concierge recommendations across a curated provider network (cryotherapy, red light therapy, nutrition, supplements, physical therapy, adjacent scans). Nickel monetizes the marketplace referrals The business dual-benefit: physicians can serve more patients at a higher standard of care. Patients get more services for the same spend. Nickel captures value on the marketplace referrals plus the hardware/software subscription. Stage and traction: - $30M pre-seed raise - Team of 20: ~10 hardware engineers in Shenzhen (China), plus stateside leadership from NVIDIA, Nike, NASA JPL, Samsung Health, plus ZS Associates - Aug 1, 2026 soft launch (internal / limited) - Nov 1, 2026 consumer launch (public) - Currently quasi-stealth
Website
Pre-Seed • 11 – 50
Stage & size
Healthcare
Industry
2025
Founded
About This Role

A genuinely hands-on player-coach data/application architect who can look at Nickel's current data architecture, critically assess what's solid vs. wrong, and lead the org out of the gaps — while writing code, not just diagramming. The team is small and everyone's an IC (no architect-designs / developers-implement split), so this person must be "not just casually hands-on" but able to lead through the work. The application layer itself is deliberately simple (a big-button patient mobile app, a glanceable physician dashboard) — the hard part is underneath: getting four-to-five very different data categories into the right place and format and making them coherent — time-series data, raw blobs/objects (non-queryable), EHR/EMR-formatted stores (Epic/Oracle Health/Athena, via different aggregators and pipelines even from the same source), and a knowledge graph (separate, not directly queryable) — plus deduplication, filtering, and reconciliation across them.

Because it's PHI, traceability is non-negotiable: every layer of data access, consumption, and interpretation (including anything an AI agent touches) must be fully logged, auditable, and traceable end to end — so a regulated-industry background (healthcare or finance/audit) is highly valued. First ~30 days is heavy critical assessment: "here's what I'm seeing, here's what should work, here's what to change," then iterating. Natural 12–18-month progression is toward working with the CTO to define the next leg — a quasi-CTO-track seat, though not required.

What You'll Own

  • Critically assess and re-shape the current data architecture; decide what to keep, kill, build, buy, or open-source
  • Architect coherent handling across time-series, blob/object, EHR/EMR, and knowledge-graph data — ingestion, format, relation, dedup/filtering
  • Multi-source EHR integration breadth (Epic, Oracle Health, Athena) via aggregators and differing pipelines — not single-source depth
  • End-to-end PHI traceability/auditability across every data-access and interpretation layer
  • Licensing/policy calls on components (e.g., no AGPL/GPL); middleware, messaging/streaming (Kafka-type), security per layer, end-user data representation
  • Hands-on implementation as a player-coach; help surface gaps for the CTO

Requirements

  • Proven enterprise architecture across many moving parts — DB, middleware, messaging/streaming (Kafka-type event handling), security per layer, end-user visualization
  • Genuinely hands-on player-coach — codes and leads; not a big-corp architect who's gone hands-off
  • Broad multi-source data view (not deep-in-one-tool, e.g., Epic-only) — comfortable reconciling conflicting/duplicated data across heterogeneous sources
  • Fluent across time-series, blob/object stores, EHR/EMR data, and knowledge graphs
  • Strong "build vs. buy vs. open-source" judgment, incl. license awareness

Execution and Ownership

  • Startup-bred — sweet spot is people out of startups (big-enterprise-only usually isn't hands-on enough to lead a small team)
  • Conflict resolution / stakeholder management — will be challenged by (and must challenge) eng, GTM, and hardware; can convince without authority
  • Title-agnostic IC mindset — "I don't care about title, I just want to work"

Background

  • Regulated-industry data experience strongly valued — healthcare (PHI) or finance / any audited environment (traceability instincts transfer)
  • Healthcare helps but isn't required; single-EHR specialists (e.g., pure Epic) are a weaker fit than broad-source generalists

Who Will Thrive Here

  • A hands-on architect from startups who leads through code, not title
  • Someone energized by messy, heterogeneous, multi-source data and PHI-grade traceability
  • A diplomat who can resolve architecture tension across a small multicultural, cross-functional team
  • Regulated-industry (health or finance/audit) background with broad data breadth
  • On a genuine CTO-track trajectory but happy as a title-less IC today
Job Details
Experience
7-12 Years
Salary
—
Equity
—
Visa Sponsorship
—
Employment Type
Full-Time
Work Arrangement
In office
Work Intensity
9-9-5
Benefits & Perks

No benefits listed yet.

Green Flags
Architected a heterogeneous, multi-source data platform at a startup
Regulated-industry background with real audit/traceability work
Multi-EHR + aggregator integration breadth
Red Flags
Big-corp architect who no longer codes / needs a team beneath them
Single-EHR (e.g., Epic-only) specialist; narrow data view
Title-driven — poor fit for the flat, challengeable culture

Candidate scorecard

· 6 criteria
Proven enterprise architecture across DB/middleware/streaming/security/visualization
Hands-on player-coach who codes and leads on a small IC team
Broad multi-source data (time-series, blob, EHR/EMR, knowledge graph); reconciles conflicts/dupes
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