Sep 2023 – Jun 2025 · 1 yr 9 mos · Banglore · On-site

• Delegate Payments (UPI Circle): Designed, developed, and launched a feature that allows dependents to make payments without accounts, successfully meeting tight deadlines and outpacing competitors.
• Technologies used: RMQ, Kafka, Dropwizard, Grafana, MariaDB
• Share.Market TPV Feature: Built a Third-Party Verification (TPV) system for secure user onboarding and redemptions, enhancing fraud prevention and ensuring compliance.
• Technologies used: Kafka, Grafana, Mockito, MariaDB
• systems.
• Igloo (Cold Storage) Truncations: Developed a smart truncation library that optimizes storage for mandate and redemption tables by using state-based logic instead of date-based deletion.
• Technologies used: Dropwizard, Kafka, MariaDB
• On-Call Support: Monitored high-TPS systems 24/7, quickly troubleshooting issues and ensuring uptime as the first responder for critical incidents.
• Technologies used: Grafana, RMQ, MariaDB
• ₹1 Lakh Limit Feature: Enabled dynamic transaction limit adjustments for merchants and banks, replacing static configurations to improve flexibility and efficiency.
• Technologies used: Kafka, Dropwizard, MariaDB
• Database Query Optimization: Refactored code to fetch user mandate details from the cache instead of the database, significantly reducing query loads and improving response times.
• Technologies used: Kafka, Mockito, MariaDB
• DB Truncation for High-Traffic Events: Implemented database cleanup strategies to handle peak loads during major events (e.g., IPL, Dream11), ensuring seamless system performance.
• Technologies used: Kafka, Grafana, MariaDB

Jan 2022 – Sep 2023 · 1 yr 8 mos · India

• Developed various microservices in Spring boot and GraphQl using AGILE methodology and TDD development.
• Implemented Spring Apache Kafka-based microservices to produce and consume inventory events from/to various
• systems.
• Achieved 100% test coverage in unit testing using the Mockito framework.
• Developed REST APIs using Spring boot, and Spring Data with JPA.
• Guaranteed 100% availability by implementing a heartbeat scheduler using a spring scheduler to check Kafka failures.
• Extensively used Spring retry to handle the failed request or Kafka failures.
• Implemented basic auth to fetch incident data from service now for analyzing performance metrics.
• Integrated and deployed applications using tools like Gradle, Jenkins, and SonarQube and did debugging/logging using log4j.
• Completed performance, stress, and load testing using JMeter including developing test plans, test scripts, and
• reports.
• Provided technical support for the production environment resolving the issues, analyzing the defects, and
• implementing solutions for defects with the help of Grafana, Prometheus, Splunk, and Zipkin.
• Obtained complete handling of the transition of a new project launched in the existing namespace.
• Managed and mentored juniors.

Jul 2020 – Jan 2022 · 1 yr 6 mos · India

• Developed MicroServices, REST web services, and business components using Spring Boot.
• Implemented persistence layer, and created the POJO, DAO, and DTO by utilizing Spring JPA.
• Involved in writing stored procedures/complex queries using SQL to process the data from MYSQL DB.
• Deployed services using Jenkins, Gradle, and GitHub.
• Implemented Log4J for Logging Errors, debugging, and tracking.
• Wrote unit tests and integration tests JUnit.

Dec 2019 – Apr 2020 · 4 mos · On-site

Jul 2019 – Dec 2019 · 5 mos · On-site

• Used JDBC to invoke Stored procedures and database connectivity.
• Used Maven to run, create and build JARs and WAR files among other users.
• Implemented various design patterns such as singleton and builder patterns to build extensible code.
• Involved in Integration testing and made sure data flows correctly from one system to another.

Jan 2019 – Jul 2019 · 6 mos · India · On-site

• Worked as a back-end developer, responsible for fixing application bugs and integrating applications using the Spring Boot framework.
• Conducted regular testing to ensure that all applications and systems were working correctly and efficiently.
• Fixed application bugs and developed test classes to test the application.
• Implemented MVC architecture using Spring framework.

Jun 2018 – Aug 2018 · 2 mos · Delhi, India