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Staff Software Engineer, Financial Platform

New York, NY💼 Full-time🗓 2026-07-30 → 2026-09-26

Core

Set technical direction and architect high-performance, provably correct money movement systems (payments, ledgering, reconciliation) for a mobile-first financial wellness platform.

Role type

Staff Software Engineer (Financial Platform)

Builds

Money movement systems, payment orchestration, ledgering, reconciliation, and bank/card integrations.

Domain

Fintech / Financial Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Distributed systems architecture, idempotency patterns, double-entry accounting, reconciliation logic, incident response leadership, technical roadmap ownership, secure coding practices, data privacy compliance

Preferred skills

Payment rails (ACH, RTP, card networks), bank data aggregators (Plaid, MX, Finicity), event-driven architectures, TypeScript/Node.js, AI-assisted development tools

Technologies

TypeScript, Node.js, ACH, RTP, Plaid, MX, Finicity

Responsibilities

Define long-term technical roadmap for money movement systems; design systems with exactly-once semantics and auditability; own end-to-end backend systems from architecture to production; lead incident response and build invariant monitoring; mentor senior/mid-level engineers; partner with compliance and risk teams

Seniority

Staff, hands-on IC with strategic direction

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