Summary
Erwin Rooijakkers is a Clojure developer based in Amsterdam with 11 years of experience building backend systems and full-stack applications. He specializes in Clojure and ClojureScript (Reagent, re-frame), and routinely combines databases like PostgreSQL, Redis, Elasticsearch and Datomic with distributed ledger tech such as Ethereum and IOTA. At Mediquest he delivers production-grade services while practicing CI/CD, Kubernetes, Docker and cloud platforms (AWS/GCP), and applies performance and UI testing using Gatling and Selenium. Comfortable across Scrum, Kanban and more autonomous models like Spotify and Holacracy, he bridges engineering and ops to ship reliable systems. A hands-on engineer and open-source practitioner (github.com/transducer), he brings a pragmatic focus on observability, scalability and secure, auditable integrations.
11 years of coding experience