Ole Le is an experienced Java Developer with a strong foundation in Java and Spring Boot. He is proficient in database technologies such as Oracle, MongoDB, and MySQL/MariaDB. Ole skillfully implements caching mechanisms using Redis and single sign-on solutions with Keycloak, and he has experience in managing distributed locks with Redis. He is familiar with monitoring tools like Prometheus, Grafana, and EFK, and is skilled in performance testing using K6. His knowledge extends to pub/sub messaging with Apache Kafka, and he is experienced with Linux operating systems like Ubuntu, CentOS, and Redhat. In addition, Ole is proficient in containerization using Kubernetes and Docker, familiar with private blockchain technology, specifically Hyperledger Fabric, and has experience in configuring DNS services using Cloudflare.