Remote Spain Remote (Country) Employment €55,000 - €85,000/year

Affirm is hiring a Software Engineer I, Back-end (Repayment Scheduling)

About the Role

Build and optimize backend services that power repayment scheduling logic, working closely with cross-functional teams to deliver robust financial technology solutions.

Responsibilities

  • Develop and maintain backend services for repayment scheduling workflows
  • Collaborate with product and finance teams to define scheduling rules and policies
  • Ensure system accuracy in handling complex payment timelines and customer obligations
  • Write clean, testable, and maintainable code within a distributed system environment
  • Troubleshoot production issues and implement timely fixes
  • Participate in code reviews to uphold engineering standards
  • Design scalable APIs used across internal and external services
  • Monitor system performance and optimize for reliability and efficiency
  • Implement automated testing frameworks to reduce regression risks
  • Support compliance with financial regulations through precise system behavior
  • Work within a microservices architecture using modern cloud infrastructure
  • Contribute to database design and query optimization for transactional integrity
  • Integrate with internal risk and underwriting systems for repayment alignment
  • Document technical designs and operational procedures
  • Respond to alerts and support on-call rotations when necessary
  • Evaluate new technologies for potential improvements in system capabilities
  • Follow security best practices in handling sensitive financial data
  • Assist in defining service level objectives and monitoring key metrics
  • Collaborate on incident response and post-mortem analyses
  • Drive improvements in deployment automation and CI/CD pipelines

Compensation

Competitive salary and equity package

Work Arrangement

Hybrid work model with flexibility based on team and role

Team

Part of the engineering team focused on core financial systems and payment infrastructure

Why This Role Matters

The systems built in this role directly impact how customers fulfill their financial commitments, making reliability and precision essential. Engineers here ensure that repayment schedules are accurate, predictable, and resilient across millions of transactions.

What We Look For

We value engineers who combine technical rigor with a deep sense of ownership. Candidates should be comfortable working in complex domains and translating business requirements into scalable technical solutions.

Available for qualified candidates

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About company
Affirm
Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest.
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Job Details
Department Repayment Scheduling engineering team
Category other
Posted an hour ago