7+ years building payments & billing systems, enterprise SSO/OAuth2, and Open edX platforms. Currently building the subscription billing & hotel booking backend at Travly.
Senior Software Engineer @ Arbisoft (2018 – 2026) · 7+ years across 8 client engagements spanning payments infrastructure and enterprise LMS platforms.
- 💳 Travly — travel booking platform, 100k+ users — Owned subscription billing end-to-end (Stripe, RevenueCat) and redesigned the booking payment flow, eliminating manual refunds on ~1 in 4 bookings.
- 🛠️ Production reliability — Diagnosed a recurring outage requiring daily manual DB restarts; used Locust load testing to pinpoint the costly queries and drove the infra fix that eliminated it.
- 🔐 Enterprise SSO (client engagement) — Delivered single sign-on across 3 systems (Magento, Drupal, Open edX) via a custom Azure AD B2C OAuth2 client, plus centralized single sign-out.
- 📊 Real-time analytics pipeline (client engagement) — Built log streaming to Kafka for student learning-data research on an Open edX deployment.
- Plus platform engineering across 5 additional enterprise Open edX client engagements — infra migration, custom XBlocks, i18n, and billing plugins.
Led delivery teams of 2–4 engineers across multiple client engagements at Arbisoft, owning technical delivery and work-breakdown planning end-to-end.
