Apr 2019 – Apr 2020 · 1 yr · Bangalore

• Designed and implemented a multi­-tenant OTP based auth service
• Designed coupon service that supports general coupons and user ­specific scratch coupons
• Worked on user ­personalization engine; pull event data from Clevertap using regular crons and webhooks, and create user­interest profiles based on events. Serve personalized products (via personalized widgets) to users using a content-­based recommendation algorithm
• Worked on internal system to manage seller-­side inventory. Integrated with Unicommerce for ease of access for sellers
• Implemented a data pipeline to push catalogue updates to Elasticsearch server, and perform optimal bulk updates on ES index; serve updated content to users with max-­latency of 1 hour
• Developed the internal content ­management system to handle the widgets displayed on the app and web; widgets can be any of featured pages, banners, images, catalogues, catalogue groups, videos, deals, and personalized products
• Implemented an event pipeline that propagates seller­-side changes to customer­-side entities; activates/deactivates catalogues, videos, widgets, etc based on previously decided validations; maintains consistency across the multiple entities in the system
• Designed and implemented a role-­based access control authorization system for internal dashboards
• Implemented event­ based invoicing system that generates customer invoices by listening to order placed events (AWS SNS + SQS), sale reports, settlement­ reports for sellers and internal accounting team
• Developed Seller Disputes and Penalties system used by vendors to raise concerns regarding returned orders
• Implemented a multi­-tenant internal ticketing system used by internal teams to manage seller and customer raised issues

Oct 2018 – May 2019 · 7 mos · Hyderabad, Telangana, India

• Worked with the Settlements Platform within the Uber financial system
• Implemented chargebacks processing for various payment methods, used for detecting fraudulent users
• Designed and implemented chargeback and disputes processing for PayPal and AmEx within the uChargebacks platform
• Did performance benchmarking for bulk payment reconciliation processing. Analyzed data volume patterns for different payment providers (PayPal, AmEx, Braintree, PayTM, etc) to evolve strategies for processing data. Led to reduced CPU and memory spikes on server
• Technologied used: Python, Celery, Tornado, GoLang

Jul 2017 – Oct 2018 · 1 yr 3 mos · Hyderabad Area, India

• Designed and implemented Failed Sync Reporting Service
• Implemented detection of failed objects and logged appropriate tickets/sent email notification depending on various use cases
• Designed a new user interface for Rec/Pay reporting
• Implemented out­-of­-the­-box reusable UI components
• Designed and implemented handling of asynchronous data calls in UI so that
• application state is consistent at all times
• Technologies used: Java, Velocity, MyBatis, Spring, JUnit, React.js, Redux.js

Jun 2016 – Jul 2016 · 1 mo · Hyderabad Area, India

• Worked on Front End Tooling and Support for MV* Frameworks
• Implemented build tooling and testing pipeline for WebComponents and React based applications
• Integrated finished software with existing Arcesium applications
• Implemented a frontend generator to scaffold project blueprints compatible with above project
• Technologies used: Webpack, WebComponents, React.js

May 2015 – Jun 2015 · 1 mo · Lucknow Area, India

• Worked as a part of a team to develop a mobile application for data collection in rural areas
• Designed and implemented the user interface for the Android application
• Designed appropriate JSON structures for to-and-fro communication between mobile application and server
• Tested and debugged the application on different virtual devices
• Technologies used in project: Android