Work
Case studies from systems built and kept running across two companies. Client names appear only where I have written permission; otherwise a plain descriptor.
A self-healing automation fleet
Designed and wired the fleet-wide error handler, conventions, and nightly reconcile
170+ workflows wired to one alarm; silent failures went to zero
A 7 TB recordings archive, rebuilt serverless
Built the archive pipeline and portal, then moved the whole stack serverless
Hosting cost down about 66%, 17,000+ meetings searchable and gated
Coaching-call recaps, 90% automated
Built the recap and quality pipeline end to end, human approval kept in the loop
Recap batching cut from about 3 hours to about 1 hour a day
An affiliate program, end to end
Designed the state machine, built every workflow, reconciled the history
Referral tracking, approvals, payouts, and emails with no manual chasing
Security and deliverability incidents, closed at the root
Root-caused and fixed both incidents as the sole engineer on them
Calendar invites from 30 minutes late to seconds; a suspected mailbox compromise audited and closed
Data pipeline and reliability for a student performance platform
Owned the data pipeline and reliability while the product was redesigned
Sync latency from 21 minutes to seconds; 700+ records reconciled
WhatsApp messaging moved to the official Cloud API
Audited, templated, and migrated all ten scenarios with no downtime
10 automations migrated, 9 message templates approved, one centralized token
A candidate search bot and one-click invoicing
Built the vector search bot and the one-click invoicing flow
Recruiters search thousands of candidates by meaning; invoices issued from a button
An outbound sales engine and a daily sales brief
Designed and built the full outbound system and the daily brief, then handed it over
Lead sourcing, personalization, sequenced outreach, reply and unsubscribe handling, and a 9:15am brief, built as one system