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Software Engineer II, Backend (PMI Integrations)

🌐 Remote💼 Full-time💰 $133,000–$133,000🗓 2026-06-18 → 2026-07-31

Core

Building and maintaining APIs for partners and merchants to integrate with Affirm's buy now, pay later platform.

Role type

Software Engineer II, Backend

Builds

Partner Merchant Interfaces (APIs) for top partners like Amazon and Stripe

Domain

Fintech / Payments / Distributed Systems

Deliverable

production ML models | product features

Required skills

Python or Kotlin, distributed systems design, API development at scale, AWS, MySQL, Kubernetes, code review, debugging

Preferred skills

breaking down projects into tasks, collaborating with product management and design, monitoring metrics, on-call support

Technologies

AWS, MySQL, Kubernetes, Python, Kotlin

Responsibilities

Break down larger projects into individual tasks and deliver in phases; Collaborate with product management, design, and analytics on ideation and technical constraints; Create and monitor metrics for team artifacts; Support operations and availability including on-call efforts

Seniority

Mid-level, hands-on IC

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