Alex Mercer
Senior Platform Engineer · Copenhagen · alex.m@email.com
specialising in , checkout reliability, and observability-backed releases for high-volume commerce systems.
EXPERIENCE
– migration of checkout to a distributed Node.js service, cutting p95 latency across 2.4M daily transactions.
– Mentored through promotion cycles while owning Kubernetes deployment standards.
– Cut deploy lead time from 2 days to under 1 hour by standardising CI/CD across 9 services.
– Built the order-events pipeline handling with observability baked in.
– Introduced structured logging and alerting that dropped mean time to detection to under 5 minutes.
– Migrated 30+ services onto a shared CI pipeline, cutting average build time 45%.
– the billing service behind $3M/yr in recurring revenue with zero data-loss incidents across 3 regions.
– Built the usage-metering service processing 1B+ API events per month.
– Reduced payment failures 22% by adding automated retries and idempotency keys.
SKILLS
Distributed systems · Node.js at scale · · Observability · CI/CD · Mentorship · Incident response · PostgreSQL
EDUCATION
CERTIFICATIONS
AWS Solutions Architect ·