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Affirm
Affirm

Software Engineer II, Backend (Merchant Advocacy)

engineeringfull-timeRemote Canada
SALARY
$125k – $175k/yr
WORK TYPE
remote
JOB TYPE
full-time
INDUSTRY
fintech
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About the role

What You'll Do

  • Design & expand the backbone of our platform to scale to hundreds of thousands of merchants from all around the world
  • Design and align the scope of work with other teams to deliver cross-team projects
  • Partner with Engineering Manager and Team Lead to execute the long-term vision of the team
  • 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
  • Utilize agentic development tools like Claude Code to automate parts of the development process
  • Improve engineering standards, tooling, and processes throughout the organization

What We Look For

  • 3+ years of experience as a backend software engineer
  • Familiarity with Domain-Driven Design, distributed systems, and how architectural decisions affect performance and maintainability
  • Experience with concepts such as 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, rollbar, chronosphere, kibana)
  • This position requires either equivalent practical experience or a Bachelor’s degree in a related field.
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Software Engineer II, Backend (Merchant Advocacy) at Affirm — Remote