Affirm
Senior Software Engineer, Backend (Card Loan Platform)
$173K–$255K
Remote US +1 · Remote · Senior · Full-time · Posted Oct 2, 2026
- Location
- Remote US
Remote Canada - Experience
- 5+ years of software development or engineering experience.
- Education
- Equivalent practical experience or a Bachelor’s degree in a related field.
About the job
Build and lead the Card Loan Platform’s high-throughput backend services for real-time loan attribution, approvals, origination, and refunds across Affirm card transactions.
What you'll do
- Lead technical strategy and end-to-end design and development of large-scale, high-availability services, APIs, and data models.
- Collaborate across functions to define requirements and execute card loan attribution and lifecycle strategy; troubleshoot and optimize system performance.
- Mentor engineers and guide technical discussions, design reviews, and code reviews.
What they ask for
- 5+ years of software development or engineering experience and a deep understanding of system design and architecture.
- Proficiency in modern programming languages such as Python, Kotlin, or similar.
- Experience with cloud platforms and containerization; knowledge of databases, web frameworks, and RESTful API development.
- Equivalent practical experience or a Bachelor’s degree in a related field.
Pay
$195,000 - $255,000 USD base salary; $173,000 - $233,000 USD base salary
Tools
Python, Kotlin, AWS, Azure, Google Cloud, Docker, Kubernetes, SQL
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