Swarnav Das Email & Phone Number

Karnataka, India

Mumbai, Maharashtra, India

Noida, Uttar Pradesh, India

1. Part of Paytm’s UPI Team, Serving Transaction History to 20M Daily Active Users on Paytm Application with 300M total weekly hits.2. Played a key role in delivering customized recap (Yearly Rewind 2023) to the top 10M users of Paytm with zero additional infrastructure cost.3. Expanded combined passbook coverage from 6 months to 12 months by implementing a new Elasticsearch cluster and incorporating Akamai Retry Origin to optimize performance.4. Established a CQRS… Show more 1. Part of Paytm’s UPI Team, Serving Transaction History to 20M Daily Active Users on Paytm Application with 300M total weekly hits.2. Played a key role in delivering customized recap (Yearly Rewind 2023) to the top 10M users of Paytm with zero additional infrastructure cost.3. Expanded combined passbook coverage from 6 months to 12 months by implementing a new Elasticsearch cluster and incorporating Akamai Retry Origin to optimize performance.4. Established a CQRS architecture through a dual-cluster setup, enhancing traffic handling capacity from 3000 QPS to 8000 QPS.5. Migrated bank passbook data, handling 6M weekly transactions, to the primary unified Elasticsearch database, leading to a 20% reduction in infrastructure costs.6. Contributed to Paytm’s milestone projects, including UPI via Credit Card, UPI Lite, and wallet interoperability, which now account for 25% of all platform transactions.7. Developed a spend analytics feature using DynamoDB, Kinesis stream, and Flink, providing real-time breakdowns of user spending habits, earning 86% positive reviews for user engagement impact. Show less

Noida, Uttar Pradesh, India

1. Gained proficiency in industry practices and technologies, including Agile Development, Test-Driven Development (TDD), Spring Boot, Kafka, Elasticsearch, Prometheus, and Grafana.2. Developed a rate-limit service that protected services from traffic spikes, reducing thundering herd incidents by 58%.3. Led the creation of a service that dynamically updates configurable properties without requiring deployments, utilizing Drools and MySQL, resulting in a 42% reduction in… Show more 1. Gained proficiency in industry practices and technologies, including Agile Development, Test-Driven Development (TDD), Spring Boot, Kafka, Elasticsearch, Prometheus, and Grafana.2. Developed a rate-limit service that protected services from traffic spikes, reducing thundering herd incidents by 58%.3. Led the creation of a service that dynamically updates configurable properties without requiring deployments, utilizing Drools and MySQL, resulting in a 42% reduction in deployment frequency. Show less