Staff Software Engineer

Visa Visa · Fintech · London, United Kingdom, United Kingdom

Staff Software Engineer role focused on building and operating reliable, auditable, and deterministic backend systems for regulatory reporting in a regulated fintech environment. Requires strong backend engineering, system design, and operational excellence, with an awareness of data-intensive systems and governance. Experience in regulated industries and AWS is required.

What you'd actually do

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

Skills

Required

  • Staff Engineer level experience
  • complex environments
  • mission-critical production systems
  • regulated industries
  • AWS
  • Java
  • Python
  • backend engineering
  • system design
  • API-driven architectures
  • Data-intensive services
  • Batch and event-driven workflows
  • reliability
  • observability
  • operational excellence
  • data modelling
  • canonical models
  • dimensional models
  • modern data platforms
  • data lineage
  • traceability
  • reconciliation
  • variance analysis
  • backfills
  • historical corrections
  • CI/CD pipelines
  • Infrastructure as Code (IaC)
  • Terraform
  • operational mindset
  • on-call participation
  • incident response
  • postmortems
  • continuous improvement

Nice to have

  • regulatory or statutory reporting platforms
  • near-real-time or API-based regulatory submissions
  • payments
  • settlement
  • treasury
  • ledger systems
  • Claude Code
  • GitHub Copilot
  • LLM-based engineering tools
  • AI-assisted developer workflows

What the JD emphasized

  • regulatory reporting
  • auditable
  • deterministic
  • regulated industries
  • mission-critical production systems
  • strict regulatory and operational requirements