Software Engineer II, Backend (Merchant & Partner Lifecycle)

About the role

The Merchant & Partner Lifecycle (M&PL) team is transforming Affirm’s architecture. You will build the lifecycle orchestrator service, improving system scalability and modernizing codebases.

Responsibilities

• Design and expand the platform to handle hundreds of thousands of merchants worldwide
• Collaborate with other teams to deliver cross-functional projects
• Execute technical strategies for complex requirements
• Utilize agile development tools to automate parts of the development process
• Improve engineering standards, tooling, and processes

Requirements

• 3+ years of experience as a backend software engineer
• Familiarity with Domain-Driven Design, distributed systems, and architectural impact on performance and maintainability
• Experience with data models, API design, state machines, event-driven architecture, and database design
• Excellent communication skills, both written and verbal
• Proficiency in asynchronous communication (tech specs, ADRs, project plans)
• Experience designing, developing, and launching backend systems using AWS, gRPC, Snowflake, Kotlin, Python, MySQL, Kubernetes
• Java and Kotlin experience preferred
• Experience with monitoring and alerting systems (Sentry.io, Rollbar, Chronosphere, Kibana)

Qualifications

• Equivalent practical experience or Bachelor’s degree in a related field

Skills

• Agentic development tools

Benefits

• Competitive base pay ranging from $146,000 to $225,000 per year
• Equity grade 6
• Remote-first company with flexible working arrangements
• Health care coverage, flexible spending wallets, time off, ESPP

Pay

Base Pay Grade - L

Schedule

Remote-first with occasional office visits for proximal roles