Mar 2024 – Dec 2024 · 9 mos · Long Beach, California, United States

Jan 2023 – Jul 2023 · 6 mos

• Collaborated on a highly scalable asynchronous system (Bulk Process Engine) to improve inventory management of Rakuten Ichiba (Ecommerce) merchants, to handle large CSV files (20GB files) using Kafka-driven ETL microservices
• Architected and implemented high-level and low-level designs for BPE integration with upstream APIs, integrating retry mechanisms that improved system reliability, increased system resilience, and reduced API call failures by 20%
• Owned 3 microservices establishing myself as the go-to expert and mentor by maintaining the codebase, creating design documents, providing regular Knowledge transfer sessions for the growing team of 15 engineers
• Managed end-to-end software releases with Canary and Blue-Green deployment strategies, reducing customer downtime by 100%
• Orchestrated CI/CD pipeline with Kubernetes, cutting deployment time by 60% and enhancing delivery speeds for high-traffic service
• Implemented secure management and retrieval of sensitive credentials using AWS Secrets Manager and Kubernetes, leveraging IAM roles to enhance security and streamline deployment processes

Dec 2021 – Dec 2022 · 1 yr

• Integrated cron jobs using Crontab to poll the merchant inventory csv files from NFS folders reducing the manual upload by 45%
• Served as Scrum Master for a team of 6, optimized Sprint Planning and Backlog grooming, cutting planning time by 25%
• Performed performance/load testing regularly for 17 APIs with JMeter to ensure sufficient instances before each Rakuten super sale.
• Guided interns to create a MySQL UI querying tool, reducing rollback time during production trouble by 50%.

Aug 2020 – Nov 2021 · 1 yr 3 mos

• Achieved over 80% code coverage across 6 microservices by implementing more than 500 JUnit tests using Mockito and PowerMockito. Ensured code quality and reliability through the utilization of Spot Bugs, Checkstyle, and PMD
• Created ReactJS admin tool to monitor file statuses, and setup production alerts via Graylog, Grafana and Prometheus.
• Provided on-call support for 3 months on rolling basis during the product launch, facilitating customer onboarding and training

Jan 2020 – Jul 2020 · 6 mos

• Focus: Development, Troubleshooting.
• Domain: E-commerce.
• Client: Internal trouble handling team.
• Responsibilities -
• 1. Worked on admin monitoring tool for tracking details like upload and download file statuses, to restart file processes.
• 2. Added search filters making troubleshooting easier.
• 3. This is widely used by everyone on daily basis which have reduced a lot of manual intervention.