Alex Vance

Amsterdam, Netherlands

• ▸ Spearheaded the migration of the legacy routing subsystem to a high-performance Go-based event-driven engine, reducing transaction latency by 34% during peak shopping events (Black Friday).
• ▸ Architected a multi-region active-active failover strategy using Kafka and CockroachDB, ensuring 99.999% uptime for tier-1 global merchant APIs.
• ▸ Mentored a squad of 6 junior-to-mid level engineers, establishing rigorous code review guidelines and automated chaos engineering practices.

Amsterdam, Netherlands

• ▸ Developed an internal Kubernetes operator in Go to automate provisioning and health-monitoring for 200+ isolated Redis and PostgreSQL clusters.
• ▸ Optimized a critical pricing calculation pipeline written in Python/Rust, cutting cloud infrastructure costs by €180,000 annually through efficient memory pooling and caching layers.
• ▸ Collaborated with product security to implement zero-trust networking principles using Istio and mutual TLS across internal service meshes.

Amsterdam, Netherlands

• ▸ Built and maintained file-chunking upload microservices handling multi-gigabyte transfers smoothly under unstable network conditions using Node.js and Go.
• ▸ Integrated comprehensive OpenTelemetry tracing and Prometheus monitoring dashboards, reducing mean-time-to-resolution (MTTR) for production incidents by 45%.
• ▸ Contributed to the migration of monolith features into clean, decoupled Docker containers hosted on AWS ECS.