Oct 2020 – Aug 2023 · 2 yrs 10 mos

• Looked after technology strategy for the Retailio platform in scaling key business metrics (orders from 1k to 75k, retailer onboarding from 1k to 1L ,Distributors onboarding from 100 to 10k ,ERP integration from 5 to 100).
• Built framework in setting up system monitoring and altering by integrating Newrelic ,email/slack alerts and setting up alters on top of application logs on AWS.
• Managed Techplatform team of 5 devs directly and built cross functional services such as API Gateway, Authentication/Authorization, Session Management, User Service, bulk file upload/download system, and Notification Service.
• Desgined a payment system to manage retailer invoice payments and Loan Management System for retailer invoices .
• Engineered and implemented a common event handler service capable of handling events at scale through simple configurations, incorporating functionalities like delayed callbacks, request throttling, and retry with response code. This service was utilized across all teams in the Org. In the peak this service was handling 1M rpm .
• Notification service was built to create ,schedule Marketing/Trans messages across multiple channels like SMS,EMAIL,PUSH,IN APP and drive campaigns and promotions, managing a load of 2.5M notifications per day.
• Achieved a 50% reduction in infrastructure costs (from $50K to $26K) by executing required system rearchitecture, resource optimization on kuberenets, database optimization ,improving Query performance and addition of caching where necessary.
• Technologies used : Spring Boot, JAVA, NodeJs, Kotlin, AWS DynamoDB, AWS S3, AWS Lambda, Kafka, Hystrix, Ambassador gateway, Kubernetes, ECS,Python, Mysql, Postgres, ElasticSearch

Jun 2019 – Oct 2020 · 1 yr 4 mos

• Joined team as early employee and helped scale team from 5 members to 75 members.
• Rearch the Retailio system from a monolith to a scalable microservices model, implementing a distributed, event-based system to enhance performance and scalability.
• Provided leadership in hiring and mentoring over 50 backend and frontend engineers and team leads to develop a highly scalable B2B pharma system.
• Established a framework for technical documentation, design documentation, and conducted weekly technical metrics meetings to evaluate key technical and business metrics with the entire team.
• Architected a robust data pipeline facilitating the exchange of various data entities(Products, Inventory, Retailers, Mappings, Invoices) with ERPs and internal systems, processing approximately 200M records daily .This layer helped filter 90% of duplicate records and send only required data to internal services.
• Technologies used : Spring Boot, JAVA, NodeJs, Kotlin, AWS DynamoDB, AWS S3, AWS Lambda, Kafka, Hystrix, Ambassador gateway, Kubernetes, Python, Mysql, Postgres, ElasticSearch

Nov 2018 – May 2019 · 6 mos · Bengaluru Area, India

• Headed the engineering overseeing the development and deployment of scalable technology solutions to support the company's rapid growth.
• Established and led a team of 6 members of backend , mobile and web engineers in Bangalore, India, focusing on building on-demand logistics for restaurants.
• Designed and implemented on-demand logistics for restaurants by optimizing driver allocation, route planning, and order fulfillment, resulting in a significant increase in operational efficiency.
• Scaled daily order volume from 150 to 1400 orders by implementing scalable architecture and optimizing system performance.
• Played a key role in defining and executing the company's technology roadmap, aligning technical strategies with business objectives.
• Worked closely with founders to estimate, plan, and present pitches for rounds of funding, showcasing technical capabilities, scalability plans, and growth projections to potential investors.
• Met with investors to discuss funding opportunities, address technical inquiries, and negotiate terms to secure necessary capital for company growth.
• Assisted founders in navigating the acquisition process, providing technical expertise and strategic guidance throughout due diligence, negotiations, and finalization stages.
• Technologies used
• Backend : Java,NodeJs,Mysql,Mongo,AWS,Jenkins,gitlab,Docker
• Frontend : Android,Angular

Jan 2018 – Nov 2018 · 10 mos · Bengaluru Area, India

• Played an instrumental role in the tech acquisition of Foodpanda into Ola, facilitating the integration of technology assets and teams.
• Took over the existing Foodpanda tech stack and worked with junior developers to maintain and enhance features, ensuring continuity and stability of operations.
• Redesigned the Foodpanda supply stack with minimal effort to handle scale, resulting in a significant increase in daily orders from 2k to 1L.
• Designed and initiated the merging of Foodpanda tech services into the existing Ola tech stack, streamlining operations and optimizing resource utilization.
• Technologies used : Python,SpringBoot,Java,Mysql,Postgres,Redis,Kafka,Elasticsearch,Docker

Apr 2017 – Nov 2018 · 1 yr 7 mos

• Designed and built all new application platforms for OLA's Booking Platform, focusing on scalability, low latency, and high throughput.
• Spearheaded the development of a highly scalable, low latency, and high throughput work order manager for driver partners, ensuring efficient allocation and management of bookings.
• Mentored a team of developers and conducted code reviews to maintain high coding standards and foster skill development within the team.
• Took ownership of the entire Booking ecosystem at OLA, leading the development of features to enhance the booking experience for both customers and drivers.
• Work Order Manager: Proposed the idea of maintaining driver booking data as their work order to the CTO, which was approved.Owned the platform end-to-end, from design to product delivery, with a vision to make it the future driver payment system.
• Number Masking Service: Ideated and built a centralized number masking service to mask customer/driver numbers across all OLA booking systems. Designed and built the service to handle very high throughput, ensuring seamless and secure communication between customers and drivers.
• Technologies used : SpringBoot,Java,Mysql,Cassandra,Aerospike,Redis,Kafka,Elasticsearch,Kong,Hystrix,Docker

Oct 2015 – Apr 2017 · 1 yr 6 mos

• Mentored a team of 5 developers in designing applications, defining DB schemas, conducting code reviews, and reviewing test cases.
• Worked on infrastructure improvements to enhance application performance, including implementing cache systems and optimizing infrastructure configuration (nginx, ELB).
• Took ownership of the entire driver system at OLA, leading the development of features for better driver interactions.
• Driver App Backend Rearchitecture: Initiated the migration from PHP to Node.js, redesigning code and database schemas. Implemented DB connection pooling, unit test cases, and cache systems for performance improvement.Utilized Node.js Express reactors to adopt an event-based model, reducing API latency for non-transactional operations.
• OLA YES Tiger Team Member: Core member of the OLA YES tiger team for 2 years, responsible for redesigning systems to handle 3X loads during peak periods.
• Notification Portal: Designed and developed a system to send various types of communications (videos, SMS, audio) to 1 million driver devices. Learned AngularJS to build the frontend and developed a backend API layer to send, schedule, and manage notifications at scale (stack: PHP, MySQL, AngularJS).
• External App Push Framework: Designed and built a service to push external apps to devices, enhancing the functionality and usability of driver devices.
• Technologies used : Nodejs,Mysql,Angular,AWS,Kafka,RabbitMq,Redis,MongoDB,Ngnix

Jul 2014 – Oct 2015 · 1 yr 3 mos

• Developed REST APIs for the driver app backend to facilitate communication with the frontend, using PHP and the CodeIgniter framework.
• Designed and developed a low-latency, high-throughput system to capture almost real-time information about logged and stalled devices, improving system reliability and performance.
• Participated in technical and product discussions, providing valuable feedback on requirements and contributing to solution design.
• Took ownership of reducing the stockout percentage of bookings, ensuring better customer satisfaction and revenue generation.
• Reduced Stockout: Successfully reduced the stockout percentage from 10% to 2%, resulting in increased booking count and revenue for the company. Received the IMPACT award for this achievement, being the first employee to receive this recognition from the company.
• TFS Stack Migration to OLA Cabs: Played a key role in migrating the TFS driver app stack to the OLA stack, ensuring seamless integration and compatibility between systems.
• Sync Script: Initiated and owned the Sync Script project, which updates cab live inventory with cab status in real-time. Managed the entire cab inventory and ensured accurate and timely updates, contributing to operational efficiency.
• Technologies used : PHP ,Mysql,AWS,Python,MariaDB

Jul 2012 – Jul 2014 · 2 yrs · Bangalore

• Conducted comprehensive testing of MRadio, Music360, and Music storefront applications, covering functionality, API calling, data fetching from databases, GUI, and integration with external components.
• Utilized browsers for testing web-based services and mobile/tablet handsets & Android SDK manager for testing WAP-based services.
• Checked out code from CVS, built WAR files using ANT, and deployed them on web servers such as Tomcat/JBoss for testing.
• Performed load testing using JMeter and documented load testing reports to identify performance bottlenecks and ensure application scalability.
• MRadio Testing: Tested MRadio application using new software like X-lite for testing voice services.
• Worked with OnMobile frameworks such as Ozone (application hosting), Amoeba (telephony service), and Atlantis (content management system).
• Conducted API testing by forming URLs for APIs and verifying XML responses in browsers.
• Music 360, Music & Tones, Full Track Stores: Automated storefront testing using Selenium, creating and running test suites in Eclipse using Selenium RC.
• Converted recorded test cases into JUnit for efficient and reliable automated testing.