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Senior Software Engineer, Identity Graph

Baselayer· Engineering
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full-timePosted 3w ago

About the role

Senior engineer owning product features across Baselayer's identity graph surface, including schema design, data ingestion, entity resolution, API endpoints, multi-tenancy, and performance under real customer load.

Responsibilities

  • Ingest and normalize heterogeneous public records into the graph, owning the full pipeline: ingestion to normalizer to repository to API surface.
  • Build and maintain entity resolution and linking systems - matching the same business or person across sources where keys don't line up, names are misspelled, and addresses are formatted six different ways.
  • Design and ship customer-facing APIs for search, lookup, monitoring, and webhook delivery - built for engineers who'll be live in production within a day of signing up.
  • Own schema design and zero-downtime migrations on a database hot 24/7.
  • Optimize performance and scale: query patterns for 10x volume, ingestion pipelines that finish before the next batch arrives, API latencies that don't drift as the graph deepens.
  • Build multi-tenancy and access control: every query in the system scoped by org/user/permission at the data layer.

Qualifications

  • Shipped product features that touched ingestion to storage to API to customer, end-to-end, in production.
  • Owned a Postgres schema that real money or real decisions depended on, and stayed on top of its evolution.
  • Strong async Python with experience running async services at scale.
  • Deep Postgres expertise: schema design under live load, EXPLAIN ANALYZE as a reflex, zero-downtime migration tooling.
  • FastAPI (or close equivalent): shipped real APIs with auth dependencies, OpenAPI contracts, and structured response models.
  • Built multi-tenant APIs where access control is load-bearing and scoped correctly at the data layer.

Benefits

  • Time off when you need it: Flexible PTO so you can recharge without red tape
  • In-person energy: We're based in SF and meet in the office 4 days a week
  • Competitive compensation: We pay well and back it with equity. We want you to think and act like an owner
  • Career rocket fuel: You'll help build the foundation of a high-growth startup, working side by side with experienced founders and team members who've done it before
  • Benefits on us: We cover 100% of your health, dental, and vision premiums. No surprise deductions from your paycheck
  • 401(k) with company match: We match your contributions so your future self benefits too
  • HSA contributions included: We contribute to your HSA on applicable plans, so your coverage works as hard as you do
  • Stay healthy, stay sharp: A $250 monthly gym stipend to help you bring your best self to work, and everywhere else
  • Lunch on us: Lunch stipend so you can stay fueled and focused without thinking about it
  • A seat at the table: We believe in transparency, radical candor, and giving every team member a voice
Last updated Oct 11, 2026. Interested? Apply on the company site.
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About Baselayer

The AI Platform for Business Risk

Baselayer: Business Identity Verification, Risk, & Fraud

IdentityCreditFraudOnboardingKYBRiskAutomation
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