Mike Hall

Staff Software Engineer

Experience

Associate Director, Staff Engineer

OneMain Financial | Remote | -

  • Re-architected fragmented engineering ownership into a single accountable operating model by reconstructing end-to-end execution flows, eliminating assumption-driven debugging and enabling reliable change planning across disconnected teams.
  • Founded and operationalized the ACQ Enablement team to separate platform risk from product delivery, enabling sustained progress on systemic stability without degrading customer-facing velocity.
  • Converted incident response into a repeatable system of record by establishing trace-driven diagnosis and correction loops, ensuring every major failure resulted in measurable improvements to monitoring and cross-system integration.
  • Led enterprise adoption of OpenTelemetry, standardizing observability across engineering and cybersecurity to shift teams from intuition-based debugging to shared, trace-based reasoning.
  • Modernized legacy Rails platform components under continuous production load by re-architecting multi-step workflows and state handling, eliminating data integrity failure modes while maintaining uninterrupted revenue funnel operation.
  • Established systemic risk management as an explicit engineering responsibility, identifying cross-system failure modes to move the organization from reactive response to proactive reliability engineering.

Skills: Platform Architecture, System Resilience, Incident Leadership, Observability, Legacy System Modernization, Distributed Systems, Ruby on Rails, PostgreSQL, OpenTelemetry, AWS