Hasan Fajar
About Hasan Fajar
Hasan Fajar is the Vice President of Infrastructure at Ajaib, where he has worked since 2022. He has extensive experience in information technology and system administration, having previously held leadership roles at tiket.com and detikcom.
Current Role at Ajaib
Hasan Fajar serves as the Vice President of Infrastructure at Ajaib, a position he has held since 2022. In this role, he oversees various aspects of infrastructure management, focusing on optimizing system performance and enhancing operational efficiency. His responsibilities include managing persistent databases such as MySQL and Cassandra, as well as memory-based storage solutions like Redis and Elasticsearch. He also implements infrastructure automation tools using Ansible to streamline processes.
Professional Experience in DevOps
Prior to his current role, Hasan worked at tiket.com as the Head of DevOps from 2017 to 2022. During his tenure, he implemented key technologies such as Apache Kafka Cluster, Apache Zookeeper Cluster, and RabbitMQ to improve system operations. His experience in this position contributed to enhancing the overall efficiency of the company's infrastructure and deployment processes.
Educational Background
Hasan Fajar studied Information Technology at Universitas Esa Unggul, where he completed his S1 degree from 2010 to 2013. Earlier, he attended Politeknik LPKIA, earning a D3 degree in Computer Engineering from 2002 to 2005. His educational background provides a strong foundation in technology and systems management.
Previous Roles and Responsibilities
Before joining tiket.com, Hasan worked at detikcom as the Section Head System Administrator from 2006 to 2015. In this role, he coordinated significant migrations, including transitioning from httpd to nginx and from Load balancer nginx to keepalived. He also led the migration of the full system for BABE (Baca Berita) to a new infrastructure, demonstrating his expertise in system management and migration strategies.
Technical Skills and Implementations
Hasan has a strong technical skill set that includes managing continuous integration and continuous deployment processes using tools such as Jenkins, Maven, Gradle, and GitLab-CI, with Docker and SSH as runners/executors. He proposed and deployed a Redis Cluster with Twemproxy and Elastic Cluster for enhanced data management, showcasing his ability to implement advanced technologies for improved system performance.