Backend engineer, 6 years, mostly on payments and other systems where being wrong is expensive. Comfortable owning a service from design doc through on-call rotation. Most useful on teams that have outgrown their first architecture and need someone to migrate it without a maintenance window.
- •Cut p99 checkout latency from 1.9s to 340ms by replacing a synchronous fan-out to four services with a Kafka queue and an idempotent settlement worker.
- •Led the migration of 60+ endpoints from a Rails monolith to Go services over 9 months, with no scheduled downtime and no rollback; wrote the design doc and the cutover runbook the team reused for two later migrations.
- •Built the reconciliation job that catches settlement mismatches within an hour instead of at month-end close, which turned a recurring finance escalation into a dashboard.
- •Reduced pager volume for our rotation by roughly 40% by fixing the three alert classes responsible for most of it, rather than raising the thresholds.
- •Reviewed most of the team's payment-path pull requests and mentored two engineers through their first service launches.
- •Designed and shipped the carrier-rate API used by all four customer-facing products, replacing three separate integrations that had drifted out of sync.
- •Moved the deployment pipeline from hand-run scripts to GitHub Actions with staged rollouts, taking release time from about 2 hours of babysitting to 12 minutes unattended.
- •Added structured logging and tracing across the order pipeline, which is how a long-standing duplicate-shipment bug was finally located and fixed.
- •Built the public records search backend for a city transparency portal serving about 30,000 monthly queries.
- •Wrote the test suite for the permits module, taking coverage of that module from near zero to 78%.
- •Small Go library for idempotency keys in payment APIs, extracted from work at Larkfield and used by a handful of other teams.
Software Engineer
Mid-level, 4–7 years
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