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Senior Software Engineer, Backend (Merchant Advocacy)

23 hours, 17 minutes ago
Canada
Full-time
Senior
Software Engineer
Software Development
AWS gRPC HTTP Java Kibana Kotlin Kubernetes MySQL Python Snowflake
Apply Now
Affirm

Affirm

Affirm offers a transparent buy now, pay later service founded in 2012 by Max Levchin. No late fees or surprises, just a responsible way to pay over time for your favorite brands.

Diversified Financial Services
1K-5K
Founded 2012
View All Jobs 153

Description

  • Design and expand the core platform to support hundreds of thousands of merchants globally.
  • Build the new lifecycle-orchestrator service at the center of multiple connected systems.
  • Coordinate scope and delivery with other teams on cross-team projects.
  • Mentor engineers and support their development and growth.
  • Partner with the Engineering Manager and Team Lead to execute the team’s long-term vision.
  • Drive technical strategy for complex, open-ended problems beyond the immediate team.
  • Modernize older parts of the codebase through system simplification and isolation.
  • Improve engineering standards, tooling, and processes across the organization.
  • Use agentic development tools such as Claude Code to automate parts of the development process.

Requirements

  • 5+ years of experience as a backend software engineer.
  • 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 written and verbal communication skills, including proficiency in asynchronous communication such as tech specs, ADRs, and project plans.
  • Experience designing, developing, and launching backend systems.
  • Experience with AWS, gRPC, Snowflake, Kotlin, Python, MySQL, and Kubernetes.
  • Java and Kotlin experience are especially helpful.
  • Prior experience with monitoring and alerting tools such as Sentry, Rollbar, Chronosphere, or Kibana.

Benefits

  • Base salary range of CA$150,000 to CA$200,000 per year.
  • Equity rewards may be included as part of total compensation.
  • Monthly stipends for health, wellness, and tech spending.
  • 100% subsidized medical, dental, and vision coverage for you and your dependents.
  • Remote-first work environment with flexibility to work from almost anywhere in the country of employment.
  • Competitive vacation and holiday time off.
  • Employee stock purchase plan with a discount on Affirm shares.
  • Flexible Spending Wallets for technology, food, lifestyle needs, and family-forming expenses.

Interested in this position?

Apply directly on the company website

Apply Now

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