Staff Software Engineer – Real-Time Ledger & Payments

Alt Platform Inc; New York (NY); Remote; USD 200,000 - 500,000; Full time

Benefits offered by this job

Medical, dental, vision (85% covered)

PTO

Parental leave

Wellness stipend

Home office stipend

DoorDash membership

Remote-first with WeWork access

401(k)

Alt Equity

Job summary

Alt Platform Inc is building real-time pricing and money movement for the high-value trading-card market. This role centers on owning the ledger, ensuring immutability, and designing rails for ACH, RTP, wires, and settlement. You will automate reconciliation, manage risk, and shape how funds move across the platform.

You will work across Finance, Risk, Ops, and Support to ensure correctness and speed, with a focus on auditable history and scalable systems. Remote-friendly, US-based.

Qualifications

• Has owned a double-entry ledger in production.
• Experience with real money movement rails (ACH, wires, cards).
• Strong SQL, data modeling, and relational design.

Responsibilities

• Own the ledger as the system of record with audit trails and point-in-time balances.
• Build rails for money movement and settlement, including real-time reconciliation.
• Own exception handling, automated matching, and an auditable process flow.
• Design and own payout and lending infrastructure within the platform.
• Assess risk posture on high-value flows and set constraints using data.

Skills

Ledger in prod

SQL

PostgreSQL

Python

AWS

APIs

Money movement

Reconciliation

Tools

React

TypeScript

Job description

Alt Platform Inc is building real-time pricing and money movement for the high-value trading-card market. This role centers on owning the ledger, ensuring immutability, and designing rails for ACH, RTP, wires, and settlement. You will automate reconciliation, manage risk, and shape how funds move across the platform.

You will work across Finance, Risk, Ops, and Support to ensure correctness and speed, with a focus on auditable history and scalable systems. Remote-friendly, US-based.