Ketan Chandak

Software Engineer

Truecaller•  January 2018 - Present

• Part of the analytics/AI_ML team, worked with big data pipelines using Spark, Hadoop, Hive and Airflow as a stack. Worked with team in cloud migration(GCP) and revamping of the entire existing ETL and insights pipelines with a scale of processing 250 terabytes of data everyday. • Part of the ads team both as a data engineer and a backend developer, wrote quite a few scalable services(Scala - play framework) from scratch in addition to insight pipelines to create better audience segments. • Created a highly scalable(300 mn+ users, 20Bn+ events everyday) product for centralised user profile store used by multiple BUs across the company for user level insights using a streaming pipeline consisting of services, Spark jobs using Kafka, Cassandra on top of highly scalable distributed services running on Kubernetes on cloud.