Feb 2023 – Jun 2023 · 4 mos · Remote

• Worked with the Accounts Payable India team
• Leading a pod of 3 backend developers owning the validation service, validation consumer and invoice service.
• Involved in HLD and LLD discussions and invoice service development.
• Responsible for task distribution, collaboration with the product managers and deciding on timelines and task feasibility.
• Incorporated the use of spring state machine to manage and transition invoices at different states. This involved guard rails and actions at every state.
• Database indexing and partitioning to support scale. Using JMeter to audit API response times.

Jan 2021 – Jan 2023 · 2 yrs · Remote

• Worked with the E-Invoicing and E-WayBill team.
• > E-invoicing and E-WayBill India
• Designed, documented and implemented the entire eWayBill flow from scratch. This included async communication with NIC APIs.
• Reviewing API response times and database indexes regularly to help to support the huge scale and efficient querying. Improving Mongo DB indexing using Mongo hints.
• Migrated and led the complete shutdown of legacy eWayBill standalone service. This involved data and authorization layer migration.
• Implemented search operation on eInvoice service using Mongo Lucene index.
• > E-invoicing GCC
• Leading a total of 6 developers to drive this project from requirement gathering to production deployment.
• Leading the implementation of KSA eInvoicing via integration with ZATCA team.
• Architected the async flow for device registration and e-invoice reporting. Designed the high level architecture for the entire system.
• Responsible to setup monitoring, alerting and scaling out the entire application to handle load.

Jul 2019 – Dec 2020 · 1 yr 5 mos · On-site

• Worked with the Warehouse(WH) team at BlinkIt (then Grofers). A WH is a commercial building for storage of goods. The main operations for a WH include inbounding, put-away, picking, billing and handover.
• Optimising inbounding, picking, billing and handover across the WH. Leading a team of 6 for the development of complete inbounding flow. Architecting, async APIs, maintaining code coverage through proper test cases, PR reviewing, PM discussions and mentoring were the key highlights.
• Architectural discussions and leading the backend development of Invoice Reference Number(IRN) generation via integration with ClearTax team.
• Moving from polling mechanisms to push based mechanisms using RabbitMQ.
• Leading the offer system migration from WH end.
• Leading the WH team during GOBD (bi-annual mega sale event) readiness, load testing, service monitoring and fixes.
• Building observability dashboards using Grafana and Prometheus.
• Migrating Django services from EC2 to K8s.
• Working closely with product managers in story planning, grooming and discussions.
• Delivered a tech talk on Prometheus and Grafana to the entire organization.

May 2019 – Jun 2019 · 1 mo · On-site

• Handling typical e-commerce problems. Create and maintain highly scalable, maintainable, server side applications. Applications with features like performance, scalability, modularity , observability, concurrency, portability, and reliability.

Apr 2018 – Apr 2019 · 1 yr · Bengaluru, Karnataka, India · On-site

• Worked with the DrawSomething team. DrawSomething is a mobile based pictionary game, originally developed by OMGPop, acquired by Zynga on 2012.
• Worked closely with game designers and product managers on new feature(s) feasibility.
• Architectural discussions, designing and developing First Time User Experience (FTUE) of the application which improved user registration by 15% and revenue by 20%.
• Designed and developed User Profile feature which displays user specific reports and enhances user-to-user assessment.
• Designed and implemented the in-game currency transaction, gifting and reward multiplier environment.

Jul 2016 – Mar 2018 · 1 yr 8 mos · On-site

• Worked with the vCenter team. vCenter Server is the centralised management utility for VMware, and is used to manage virtual machines, multiple ESXi hosts, and all dependent components from a single centralised location.
• Improved the lookup times for vCenter statistics retrieval queries through smarter indexing and stored procedures.
• Worked closely with the database team and contributed in the development of Database Consistency Checker (DBCC) - an internal tool provided to the VCDB customer support team.
• Had contributed in the development of an efficient pipeline which ranged from collection of data streams, provided by ESXi hosts, to storing the data in vCenter data stores.
• Contributing to vCenter releases, customer issue debugging, code reviews and hot fixes.

Jan 2016 – Jun 2016 · 5 mos · On-site