Ephrem S.

I participated on many software development projects including Membership application and renewal web app for a fitness company, participated in building woocommerce and php e-commerce application that focused on textile and garment sector, worked on supply chain management system that is developed using react.js and laravel as a backend. Currently I am working as DevOps lead at Safaricom Telecommunications Ethiopia in big data department. My current responsibilities include monitoring data pipelines, creating CI/CD pipelines for big data application, creating metrics, setting prometheus rules for all deployments in order to create alerts via alert manager, creating dashboard visualisations using grafana and implementing IaC tools like ansible and terraform. I orchestrated a data migration of large data lake without a single minute of down time and 24/7 availability using data replication techniques incuding postgres cloud native PG, syncIQ powerscale data replication and integrating multiple tools and sophisticated cut over techniques. Real time streaming Applications like kafka, Data ingestion apps like NIFI, Big data storga like Hadoop distributed system, Execution engine like Spark, languages like Java Scala, Data analytics tools like Superset, Scheduling done via airflow and zoo keeper and databases like postgreSQL, Mysql and hive were configured effectively with all applications. All of the above successfully deployed on k8s cluster. Monitoring tools like Prometheus, Alert manager and visualization tools like grafana were also successfully deployed and configured.