Marcus BellStaff Software Engineer

I modernize mission-critical legacy systems, turning multi-year, high-risk migrations into automated pipelines teams can actually trust.

  • Legacy modernization
  • Databases & SQL
  • Test automation
  • AI-assisted workflows
  • Backend & platform
  • CI/CD
Marcus Bell

Selected work

Turned a database migration estimated at ~15 years of manual work into an automated pipeline that ran roughly 15x faster. SQL Anywhere to Oracle migration pipeline 2025 Legacy modernization · Data
  • Oracle
  • SQL
  • AI agents
  • Migration
 Took a business-critical legacy app from effectively zero coverage to ~6,000 automated tests. Test-suite modernization for a legacy platform 2025 Test automation · Quality
  • .NET
  • C#
  • Testing
  • Legacy
 A trustworthy, leadership-grade view of engineering output and code health. Engineering effectiveness dashboard 2025 Applied AI · Internal tools
  • AI
  • Dashboards
  • Developer experience
 Licensing independence for a marketplace serving 25M+ monthly shoppers. Replatforming off enterprise licensing 2021 Replatforming · Web
  • Java
  • Web
  • Platform

Let's talk about your platform

marcus@8thlight.com GitHubLinkedIn