Senior Software Engineer, Backend – Reliability Platform

Posted 2hrs ago

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Job Description

Senior backend engineer building Affirm’s reliability platform for scalable buy-now-pay-later systems. Designing distributed services, AI-assisted tooling, and operational safeguards for production health.

Responsibilities:

  • Design and build a next-generation reliability platform for Affirm’s production systems
  • Own and deliver quarterly goals for the team
  • Lead engineers through ambiguity to solve open-ended problems and support delivery
  • Collaborate with product management, design, and analytics during ideation and product development
  • Articulate technical constraints and partner on decisions considering risks and trade-offs
  • Identify and lead resolution of project, process, technology, and business issues
  • Create and monitor metrics, escalate issues, and support operations, availability, keep-the-lights-on, and on-call efforts
  • Set and improve code review and design standards
  • Advocate for quality and ownership through writing and tech talks
  • Develop team talent through feedback, guidance, and leading by example

Requirements:

  • 4+ years of experience as a software engineer
  • Experience designing, developing, and launching backend systems at scale
  • Experience with technologies such as Python, Kotlin, AWS, MySQL, and Kubernetes
  • Experience shipping web apps using declarative UI frameworks such as React or Vue
  • Practical use of LLMs or AI frameworks for automation and guidance with guardrails and citations
  • Experience defining technical plans for significant features or system components with elegant, simple, extensible designs
  • Ability to write high-quality, understandable, reusable code
  • Proficiency making significant changes in large codebases
  • Suite of tools and practices enabling safe changes to large codebases
  • Strong verbal and written communication skills for effective collaboration with a global engineering team
  • Either equivalent practical experience or a Bachelor’s degree in a related field

Benefits:

  • Monthly stipends for health, wellness and tech spending
  • 100% subsidized medical coverage
  • Dental and vision coverage for employees and dependents
  • Flexible Spending Wallets with stipends for Technology, Food, Lifestyle needs, and family-forming expenses
  • Competitive vacation and holiday schedules
  • Employee stock purchase plan (ESPP) enabling discounted Affirm shares
  • Reasonable accommodations during the hiring process