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Senior Software Engineer, Backend (Merchant Advocacy)

2 hours, 29 minutes ago
United States
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 48

Description

  • Design and expand the platform backbone to support hundreds of thousands of merchants worldwide.
  • 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 on the team’s long-term vision and execution.
  • Drive technical strategy for complex, open-ended problems beyond the immediate team.
  • 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 the impact of architectural decisions on performance and maintainability.
  • Experience with data models, API design (HTTP and RPC), state machines, event-driven architecture, and database design.
  • Excellent written and verbal communication skills, including proficiency with asynchronous communication such as tech specs, ADRs, and project plans.
  • Experience designing, developing, and launching backend systems using 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 $190,000-$240,000 per year for CA, WA, NY, NJ, and CT, or $169,000-$219,000 per year for other U.S. states.
  • Equity eligibility with an Equity Grade of USA 8.
  • Remote-first work with the flexibility to work almost anywhere within the country of employment.
  • Health coverage with 100% subsidized medical, dental, and vision insurance for you and your dependents.
  • Monthly stipends and flexible spending wallets for health, wellness, technology, food, lifestyle, and family-forming expenses.
  • Competitive vacation and holiday time off.
  • Employee stock purchase plan with a discount on Affirm shares.
  • Reasonable accommodations available during the hiring process for candidates who need individualized support.

Interested in this position?

Apply directly on the company website

Apply Now

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