CareerPlanSign in

Senior Software Engineer, Backend (PBA - Growth)

🌐 Remote💼 Full-time💰 $153,000–$153,000🗓 2026-07-24 → 2026-09-26

Core

Lead backend engineering for APIs and solutions powering Affirm's integrations with Enterprise Merchants and Partners, driving checkout and merchant onboarding.

Role type

Senior IC backend engineer (team lead)

Builds

APIs, tools, and end-to-end integrated solutions for merchant onboarding and checkout

Domain

Fintech / B2B Enterprise Integrations

Deliverable

production ML models | product features | infrastructure

Required skills

Backend system design, distributed systems, Python, Kotlin, AWS, MySQL, Kubernetes, technical planning, codebase refactoring, code review standards, team mentorship

Preferred skills

None stated

Technologies

Python, Kotlin, AWS, MySQL, Kubernetes

Responsibilities

Own and deliver quarterly team goals, lead engineers through ambiguity, collaborate on product lifecycle decisions, monitor system metrics and availability, set code review and design standards, develop team talent

Seniority

Senior, hands-on IC with team leadership

Sourced via greenhouse · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.