Jan 2022 – Jan 2024 · 2 yrs · Bengaluru, Karnataka, India · On-site

• Key Contributions:
• 1. Designed and implemented a generic, event-driven, highly scalable subscription engine to process user subscription orders from any entry point within the Bigbasket ecosystem.
• 2. Revamped the backend architecture for subscription-based order placement cron jobs, reducing processing time for 600,000 orders/day from 3 hours to just 30 minutes.
• 3. Led high-level architectural changes in the bbdaily platform to support a dual product pricing system, ensuring seamless integration with existing services.
• 4. Migrated all microservices from Kubernetes YAML-based deployments to Helm-based deployments, streamlining deployments process for multiple services.
• 5. Improved database performance by implementing rate limiting in Kafka consumers, reducing DB CPU utilization from 85% to below 50% and active connections from 5.8K to under 5K.
• 6. Led root cause analysis (RCA) and resolution of critical customer bugs, enhancing platform stability.
• 7. Collaborated with cross-functional teams including product managers, developers, finance, and customer support to refine requirements, propose designs, and implement optimal solutions.
• 8. Significantly improved system quality and reliability by resolving numerous long-standing issues and contributing to system-wide refactoring efforts.
• 9. Automated repetitive manual processes and operational tasks, improving operational efficiency and reducing incident overhead.

Apr 2020 – Jan 2022 · 1 yr 9 mos · Bengaluru, Karnataka, India · Hybrid

• Role: Senior Member of Technical Staff
• CONTRIBUTION:
• 1. Architected and led the design of a scalable, event-driven data processing pipeline using Apache Flink and Apache Kafka. The solution processed real-time CDC (Change Data Capture) Health care events, applied business transformations through a FHIR Mapper, and published to Kafka topics for downstream systems.
• 2. Designed and implemented a decoupled audit event notification framework leveraging AWS SNS integrated with Flink jobs. Enabled seamless integration for multiple internal and external microservices through event subscriptions, improving system extensibility.
• 3. Built Event Polling REST APIs on top of Apache Kafka, introducing a pull-based event consumption pattern alongside the existing stream processing infrastructure — enhancing flexibility for client systems with varied consumption models.
• 4. Designed a Rule Engine framework to dynamically evaluate CDC messages for business event eligibility.This allowed business users to modify rules through configuration, without developer involvement.
• 5. Improved system resilience and security through proactive vulnerability management and automated CI/CD practices.
• 6. Took the lead in exploring new technologies like Apache Storm, on-prem EKS, and pull-based event models. Created demos (POCs) and detailed documents comparing their benefits, limitations, costs, and performance to guide architecture and implementation choices.
• Skills :
• Linux, Java/J2EE,Maven,Sonarqube ,Jenkins,Bit bucket,Apache Kafka,Apache Flink,AWS-Serviecs,Oracle
• 11G,Oracle GoldenGate

Sep 2018 – Mar 2020 · 1 yr 6 mos · Bangalore Urban, Karnataka, India

• Role: Senior Software Engineer
• CONTRIBUTION:
• 1. Designed and Developed Generic Reward Points Payment System currently supporting
• ADCB but flexible enough to accommodate any payment System in future with minimal
• code changes. Currently live with Desktop, Mobile and PWA.
• 2. Designed and implemented Generic Payback Payment System where users can earn
• and redeem Payback points for bookings through cleartrip .
• 3. Designed and Implemented Webcheckin as a micro service from scratch for
• flight booking through cleartrip and integrated with the existing system.
• 4. Developed Restful APIs for checking account linking, checking payback balance
• , earning points, pay and validate, payback signup, payback refund.
• 5. Implemented the seat Map Webservice for webcheckin .
• 6. Design and implemented External Search API to accommodate Fare/Tax breakup
• and baggage Inclusion for adult, child and infant.
• 7. Developed various features for cleartrip’s flights Search & Book service.
• 8. Re - Implemented the search API to restrict the number of flights based on the
• query param to help external partners to fetch flights as per the demand.
• 9. Contributed significantly for improvement of the quality and stability of the system by
• fixing numerous bugs.
• Skills:
• Linux, Java/J2EE, Spring Boot,Gradle, Redis, IntelliJ, Jenkins,Bit bucket,SVN,Apache Kafka, Google Cloud deployment
• , Apache-tomcat-8.0.36,Dockers, MySql Workbench

May 2018 – Aug 2018 · 3 mos · Bangaon, West Bengal, India

• Role: Senior Software Engineer
• CONTRIBUTION:
• 1. I was having the sole responsibility of developing the complete Application using React
• native on Android platform.
• 2. Designed and implemented the complete UI for Train Listing, Availability,
• Traveler details and Booking Summary for the Rails Android React native project.
• 3. Designed and implemented the backend APIs for Train Listing, Availability,
• User Service, Traveler Details, Booking Summary and Price Breakup.
• 4. Implemented the QR code service API and integrated the same on booking success
• confirmation ticket sent to users and also added the “Beti Bachao, Beti Padhao” logo on
• the tickets.
• 5. Implemented the UUID for the complete Rails Backend Searching and Booking App.
• Skills:
• React Native, Java/J2EE, Spring Boot, MySQL, IntelliJ, Jenkins, Gerrit WebStorm, iOS, Linux,
• Apache-tomcat-8.0.36, MySql Workbench, Android Emulator

Aug 2016 – Apr 2018 · 1 yr 8 mos · Bangalor

• ROLE: Senior Technical Associate
• CONTRIBUTION:
• 1. Designed and Implemented Security Service to prevent bot attack and helping captcha
• generating service to make decision for triggering captcha to malicious user/script or
• bot login. It handled two million daily active users within the first month, with no
• downtime.
• 2. Responsible for designing, implementing Audio Captcha from text
• captcha for Sears.com login helping visually impaired users during
• login.
• 3. Designed and developed new device login utility that gave exposure to notify
• customers warning them for if their account was compromised.
• 4. Implemented Algorithm to randomly choose the male and Female Audios, to produce
• distorted sound.
• 5. Implemented the CURD APIs for captcha tokens
• 6. Implemented API for detecting new Device signup.
• 7. Implemented the feature Sending Email for new Device Sign Up.
• Skills:
• Windows 7, Apache-tomcat-8.0.36, Java/J2EE, Spring Boot,
• Mongo DB, Spring Mongo Client,Eclipse, Robo Mongo Client

Sep 2014 – Jul 2016 · 1 yr 10 mos · Bengaluru, Karnataka, India · On-site

• ROLE: Software Engineer
• CONTRIBUTION:
• 1. Designed and Implemented the Home Depot Shipment Combining for reducing the
• transportation charges of trucks by combining shipment from multiple trucks into one there
• by reducing cost.
• 2. Designed and Implemented the Outbound Shipment Creation Functionality for Home
• Depot.
• 3. Designed and Implemented feature to move Outbound LPN onto alternative
• shipment.
• 4. Collaborated with multiple teams such as the product managers and developers to clarify
• requirements, draft design proposals and implement the best option.
• Skills:
• Java7, JSP, Servlets2.3, JSF 2.0, Spring, Hibernate3.0,JDBC, JavaScript,
• IBM JBoss Application Server, Oracle 11g, PL/SQL, Log4J, ANT, Eclipse, Tortoise Git

Jul 2012 – Aug 2014 · 2 yrs 1 mo

• ROLE: Project Engineer
• CONTRIBUTION:
• 1. Responsible for designing, implementing, and providing business solutions for customers.
• 2. Optimised and analysed modules written in Java to implement better software engineering
• practices.
• 3. Led efforts in root-cause analysing and fixing customer bugs for multiple customers Like
• UBS, HP
• Skills :
• Java, J2EE 1.6, Spring, Hibernate, XML, Design patterns, Eclipse 3.4, JUnit, Ant,
• Tortoise Git , Jboss4.3, Oracle 10g, Windows, UNIX etc.