Software Engineer II, Backend (Infrastructure Platform)

Role Overview:

• Design and build a next-generation reliability platform for Affirm’s production systems.
• Create AI agents that assist with incident triage, root-cause exploration, and log/trace summarization.
• Build developer-facing features and APIs to help engineers explore data and debug issues.

What You’ll Do:

• Build a centralized reliability command center giving teams a unified view of system health, risk, and reliability.
• Use AI-assisted development tools like Cursor or Claude to prototype, refactor, and ship high-quality code quickly.
• Own projects end-to-end: requirements, architecture, implementation, testing, and iteration based on feedback.

What We Look For:

• 1.5+ years of software engineering experience with strong proficiency in Python.
• Hands-on experience with AI-assisted development and enthusiasm for using it to ship faster.
• Problem-solving and product sense, capable of handling ambiguous requirements and iterating rapidly.

Compensation & Benefits:

• Base pay range (all other U.S. states): $146,000 - $206,000 per year; ranges for CA, WA, NY, NJ, CT: $165,000 - $225,000.
• Health care coverage, flexible spending wallets, time off, employee stock purchase plan, and more.