Senior Software Engineer

Onsite or remote • Austin+2💼 Full-time🗓 2026-06-24

Core

Architect and build greenfield financial infrastructure for external payments in the Higher Education sector, including core banking systems and real-time payment networks.

Role type

Senior Backend Engineer (Financial Infrastructure)

Builds

Payment engine, platform APIs, and core banking infrastructure for Higher Education clients.

Domain

Fintech / Higher Education

Deliverable

production ML models | product features | infrastructure

Required skills

System architecture, payment network integration, CI/CD pipeline design, security systems, observability, resiliency engineering

Preferred skills

Greenfield system design, real-time data processing

Technologies

None explicitly stated

Responsibilities

Architect modern financial infrastructure for external payments, build and maintain critical infrastructure (payments, storage, networking, security, observability), own core banking integrations (Federal Reserve, real-time networks), design CI/CD pipelines and release workflows, improve system resiliency and availability

Rewrite

## About the role We're hiring a Senior Backend Engineer to own and evolve the core systems that power Backpack - our payment engine, platform APIs, and the infrastructure underneath it all. You'll work directly with our founders and a tight engineering team to make critical technical decisions every week. This isn't a "take tickets off the board" role. You'll shape what we build, how we build it, and how we scale it. ## What you'll own and work on - Architect a modern financial infrastructure for external payments in Higher Education (seriously - everything is paper check today. You will build greenfield infra) - Build and maintain critical infrastructure: payments, storage, networking, security, and observability systems - Own core banking infrastructure, including direct integrations with the Federal Reserve and real-time payment networks - Design and implement CI/CD pipelines, developer tooling, and release engineering workflows - Improve system resiliency and availability

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