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Software Engineer, Lending

San Francisco Office💼 Full-time💰 $133,000–$133,000🗓 2026-07-30 → 2026-09-25

Core

Design and build backend systems for real-time money movement, credit decisioning, and financial transactions at scale.

Role type

Senior IC backend software engineer (fintech lending)

Builds

Underwriting, eligibility, ledgering, capital markets workflows, repayment systems, and member-facing mobile APIs

Domain

Fintech / Lending / Financial Services

Deliverable

production ML models | product features | infrastructure

Required skills

Ruby on Rails, relational databases, caching, distributed systems fundamentals, API design, schema migrations

Preferred skills

Fintech/risk experience, third-party data integration, startup experience

Technologies

Ruby on Rails, relational databases, async processing, idempotency, retries, backfills

Responsibilities

Design and develop backend implementations of consumer product features, build resilient APIs for mobile apps, improve system reliability and scalability, collaborate cross-functionally to solve member pain points

Seniority

Senior, hands-on IC

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