Senior Software Engineer (Identity Graph)

Location: Based in San Francisco, California; hybrid work with four days per week in the office.

Salary: $230,000–$340,000 per year plus equity.

Company

hirify.global is rebuilding identity infrastructure for US businesses and consumers by combining public records, IRS data, sanctions lists, web signals, and fraud telemetry into a continuously updated business graph.

What you will do

• Ingest and normalize heterogeneous public records through the full pipeline from ingestion and normalization to repositories and APIs.
• Build and maintain entity-resolution and record-linking systems for businesses and people across inconsistent source data.
• Design and ship customer-facing APIs for search, lookup, monitoring, and webhook delivery.
• Own database schema design and zero-downtime migrations for a continuously available system.
• Optimize query performance, ingestion throughput, API latency, and overall scale under increasing production volume.
• Build multi-tenancy and data-layer access control scoped by organization, user, and permission.

Requirements

• Production experience shipping end-to-end product features spanning ingestion, storage, APIs, and customers.
• Experience owning a Postgres schema supporting real money or real decisions, including schema evolution under live load.
• Strong async Python experience running async services at scale.
• Deep Postgres expertise, including schema design under live load, EXPLAIN ANALYZE, and zero-downtime migration tooling.
• Experience with FastAPI or a close equivalent, including authenticated APIs, OpenAPI contracts, and structured response models.
• Experience building multi-tenant APIs with correctly scoped, load-bearing access control at the data layer.

Nice to have

• Entity resolution, record linkage, or fuzzy matching at scale.
• Search infrastructure using full-text, fuzzy, or vector search synchronized with a Postgres system of record.
• KYC, KYB, fraud, underwriting, or related data-pipeline experience.
• Address parsing and normalization at country scale.
• Webhook delivery infrastructure involving retries, signing, idempotency, and ordering guarantees.
• GCP experience with Cloud Run, Cloud Tasks, Cloud SQL, and batch pipelines.

Culture & Benefits

• Flexible PTO.
• In-person collaboration in the San Francisco office four days per week.
• Health, dental, and vision premiums covered at 100%.
• 401(k) with company match and HSA contributions on applicable plans.
• $250 monthly gym stipend and lunch stipend.
• Equity, transparency, radical candor, and the opportunity to help build infrastructure at a high-growth startup.