Senior Software Engineer - Data Platform

Visa hybrid • Londonfull_time

We are seeking a Senior Software Engineer to join our Regulatory Reporting team. This role focuses on building and operating reliable, auditable, and deterministic backend systems that support regulatory reporting across multiple jurisdictions. 

You will work closely with Staff Engineers, the Engineering Manager, and cross-functional partners in Compliance, Finance, and Data Engineering to implement high-quality systems that meet strict regulatory and operational requirements. 

Key Responsibilities:

Software Engineering:

  • Design and implement production-grade backend services using modern engineering practices 
  • Write clean, testable, and maintainable code following team standards 
  • Apply distributed systems principles including idempotency and safe retries, failure isolation and graceful degradation, schema and API versioning  
  • Build systems with clear SLAs, SLOs, and observability  
  • Maintain a strong security posture across services and data access 

 Data-Intensive & Reporting Systems:

  • Work closely with data engineering teams on canonical data models, regime-specific reporting overlays  
  • Design software that integrates cleanly with analytical platforms and reporting datasets 
  • Backfills and historical restatements 
  • Late-arriving data and reconciliation logic 
  • Ensure traceability from source systems to reported outputs 

 Governance, Controls & Auditability:

  • Support regulatory audits, investigations, and remediation efforts 
  • Champion strong practices around access control, PII handling, and segregation of duties 
  • Participate in on-call rotations, incident response, and postmortems 
  • Continuously improve system reliability and operational maturity 

This is a hybrid position. Expectation of days in office will be confirmed by your hiring manager.