Remote Spain Remote (Country) Employment €85,000 - €115,000

Affirm is hiring a Senior Software Engineer, Backend (Merchant Data Platform EU)

About the Role

The role involves building and optimizing backend systems that power a data platform handling merchant information at scale, with a focus on performance, data integrity, and system resilience.

Responsibilities

  • Design and implement scalable backend services for merchant data processing
  • Develop APIs to enable reliable data exchange between internal and external systems
  • Ensure data consistency and integrity across distributed systems
  • Collaborate with data engineers to streamline data pipelines
  • Optimize system performance for low-latency data retrieval
  • Troubleshoot and resolve production issues in real time
  • Write clean, maintainable, and well-tested code
  • Participate in architectural design and technical planning
  • Support data governance and compliance requirements
  • Monitor system health and proactively address scalability concerns
  • Work closely with product teams to define data needs
  • Maintain documentation for systems and workflows
  • Implement security best practices in data handling
  • Evaluate and integrate new technologies to improve platform capabilities
  • Contribute to incident response and on-call rotations

Nice to Have

  • Master’s degree in computer science or related field
  • Experience with real-time data platforms and event-driven architectures
  • Background in financial services or fintech systems
  • Knowledge of data privacy regulations in Europe
  • Contributions to open-source software projects
  • Experience with large-scale data synchronization
  • Familiarity with CI/CD pipelines and automated testing
  • Exposure to GraphQL or gRPC
  • Leadership experience in technical mentorship
  • Track record of driving system improvements independently

Compensation

Competitive salary and equity package

Work Arrangement

Hybrid work model with flexibility for remote work within Europe

Team

Backend engineering team focused on scalable data systems for merchant platforms

Our Impact

The systems built by this team directly influence how merchant data is processed, stored, and accessed across the platform, enabling faster decision-making and improved reliability for business operations in Europe.

Engineering Culture

We prioritize ownership, collaboration, and technical excellence. Engineers are empowered to make decisions, propose improvements, and contribute to long-term platform strategy.

Growth Opportunities

This role offers the chance to lead technical initiatives, mentor junior engineers, and shape the evolution of a core data platform used across multiple business units.

Visa sponsorship 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 Merchant Data Platform
Category other
Posted an hour ago