Senior Software Engineer, Backend (merchant Advocacy)

Affirm Affirm · Fintech · Canada, United States · Remote · Checkout

Senior Backend Software Engineer for Affirm's Merchant & Partner Lifecycle team, focusing on building a new lifecycle-orchestrator service to improve availability and modernize the platform. Responsibilities include system design, scaling, cross-team collaboration, and mentoring.

What you'd actually do

  1. Design & expand the backbone of our platform to scale to hundreds of thousands of merchants from all around the world
  2. Design and align the scope of work with other teams to deliver cross-team projects
  3. Mentor other engineers to ensure their development & growth
  4. Partner with Engineering Manager and Team Lead to drive and execute the long-term vision of the team
  5. Execute technical strategy for broad or complex requirements with insightful and forward-looking approaches that go beyond the direct team and solve large open-ended problems

Skills

Required

  • 5+ years of experience as a backend software engineer
  • A strong understanding of Domain-Driven Design, distributed systems, and how architectural decisions affect performance and maintainability
  • Proficiency with data models, API design (http and RPC), state machines, event-driven architecture, and database design
  • Excellent communication skills, both written and verbal. Must be proficient in asynchronous communication–written tech specs, ADRs, project plans, etc.
  • Experience designing, developing, and launching backend systems (our stack: AWS, gRPC, Snowflake, Kotlin, Python, MySQL, Kubernetes). Java and Kotlin experience are especially helpful.
  • Prior experience with monitoring and alerting systems ([sentry.io](http://sentry.io/), rollbar, chronosphere, kibana)

Nice to have

  • Java
  • Kotlin

What the JD emphasized

  • building out the brand new lifecycle-orchestrator service
  • modernize older parts of the codebase
  • scale to hundreds of thousands of merchants