Senior Software Engineer

Overview

Job Description

Responsibilities

• - Own and deliver quarterly goals for your team
• - Lead engineers through ambiguity to solve open-ended problems
• - Design and implement backend services and APIs using Python or Kotlin
• - Shape the team’s roadmap and collaborate on technical design
• - Partner with the Engineering Manager to elevate quality standards
• - Collaborate cross-functionally with stakeholders in Fraud Ops, Compliance, Product, Machine Learning, and Analytics
• - Identify opportunities to improve system reliability, team efficiency, or architecture
• - Contribute to operational excellence by maintaining high observability standards
• - Foster a culture of ownership, inclusion, and craftsmanship

Required Skills

• - 5+ years of experience building backend systems at scale using Python or Kotlin
• - Experience with distributed systems and infrastructure using AWS, MySQL/PostgreSQL, and Kubernetes
• - Strong system design skills and a track record of delivering maintainable, extensible services
• - Proficiency in SQL and working with data-rich environments
• - Familiarity with CI/CD practices and safe production deployments
• - Strong written and verbal communication skills, especially in distributed teams
• - A proactive, ownership-driven mindset with a focus on learning and team success
• - Experience with Snowflake, dbt, Airflow, or Chronosphere (nice to have)
• - Background in fraud prevention, risk systems, or post-transaction tooling (nice to have)
• - Experience working in the fintech sector or other highly regulated environments (nice to have)

Benefits

• - Flexible Spending Wallets for tech, food and lifestyle
• - Away Days - wellness days to take off work and recharge
• - Learning & Development programs
• - Parental benefits
• - Employee Resource & Community Groups
• - Health care coverage - Affirm covers all premiums for all levels of coverage for you and your dependents
• - Time off - competitive vacation and holiday schedules
• - ESPP - An employee stock purchase plan enabling you to buy shares of Affirm at a discount