- Triaged and resolved production incidents end to end — reproducing issues, debugging root causes across the stack, and shipping timely fixes.
- Authored 200+ automated regression tests (Puppeteer, Jest), catching regressions before release.
- Redesigned the role-based access control (RBAC) system across 5 modules — dashboards, message templates, pre-saved filters, embedded apps, and confidential-field access.
- Owned triage and prioritization of 50+ tickets across customer-support and engineering during on-call roster rotations.
- Building a Model Context Protocol (MCP) integration for the permission-template system — delivered 6 read/write tools.
- Built 100+ analytics dashboards for 20+ clients from direct stakeholder requirements (Metabase, Node.js, Angular, PostgreSQL).