Nov 2022 – May 2025 · 2 yrs 6 mos · Bengaluru, Karnataka, India · On-site

• ~ Leadership & System Architecture : Led a team of 5 engineers in designing a high-performance
• Catalogue Engine that scaled to support 30 million SKUs and handled peak traffic of 7,000 TPS during
• sale period, ensuring resilience and scalability.
• ~ Seller Marketplace & Vendor Management : Designed critical components of the Seller Marketplace -
• Vendor Management System (VMS), streamlining seller onboarding and cataloging for 30000+ vendors,
• optimizing performance for millions of product listings.
• ~ Catalogue System Optimization : Enhanced the Catalogue Engine, optimizing PLP and PDP efficiency,
• handling large catalogs with 30% faster response times using Redis, MongoDB and ElasticSearch for
• low-latency access and high availability.
• ~ Ad Revenue System Design : Deployed a real-time ad system on product feeds, generating
• $35,000–40,000 USD/month. Utilized Apache Kafka for dynamic ad serving, improving engagement
• rates by 20%.
• ~ System Performance & Monitoring : Implemented real-time monitoring with Grafana and Prometheus,
• achieving 99.95% uptime and reducing downtime by 40% during peak events.
• ~ Full-Stack Expertise : Extensive experience in Java, Spring Boot, and Microservices, integrating Oracle,
• MongoDB, ElasticSearch, and Redis to efficiently manage 30 million+ records with low latency.

Jun 2021 – Nov 2022 · 1 yr 5 mos · Gurugram, Haryana, India

• ~ Team Leadership : Led a team of 2 engineers in developing Pearson's Predictive & Learning Analytics
• (PLA) system, ensuring timely delivery of key features for student and teacher engagement across North
• American markets.
• ~ Serverless Architecture : Designed a serverless solution using AWS Lambda and Step Functions ,
• reducing infrastructure costs by $1500-2000 per month and improving API response times for REST and
• GraphQL calls.
• ~ AWS Cloud Expertise : Implemented cloud-native architecture with AWS EC2, DMS, S3, SQS, Athena,
• AuroraDB and more optimizing system performance and scalability.
• ~ Cost & Performance Optimization : Achieved a 30% reduction in AWS operational overhead, with
• improved system uptime of 99.95%, and decreased latency by 25%, ensuring high availability and fault
• tolerance.
• ~ Microservices & API Development : Developed microservices using Java and GraphQL, ensuring
• low-latency interactions, supporting 100,000+ API calls per day, and enabling seamless educational
• experiences.
• ~ Monitoring & Logging : Integrated ELK Stack for real-time monitoring, reducing issue resolution time
• by 50%, and improving system reliability with proactive alerts and logging for 99.9% of incidents.

Jun 2015 – Jun 2021 · 6 yrs · Gurugram, Haryana, India

• ~ Microservices Development : Designed and implemented over 4 microservices for Credit Initiation in the Origination Transformation project, facilitating real-time communication between upstream and
• downstream channels for CITI Bank’s credit decision system.
• ~ Credit Decision Engine Integration : Integrated microservices with the Credit Decision Engine(CDE) to process applications from multiple sources, improving application processing efficiency by 30% , while reducing manual errors.
• ~ Mobile Certification Automation : Automated the mobile certification process using Java and Spring
• Boot, executing Quantum scripts via Maven for seamless mobile certification.
• ~ Database Integration : Developed reliable application-level connections to Oracle and MongoDB, ensuring 99.9% uptime for data flows between microservices.

Jun 2013 – Jul 2013 · 1 mo · Barauni, Bihar, India

• This internship was basically all about the various aspects of power transmission, Turbines, electrical machines i.e A.C/D.C Motors, Generators etc.