Oct 2020 – Jul 2024 · 3 yrs 9 mos

• Building Fast Supply Chain Stack for Quick Commerce with high focus on HA & Resilience as key tenets.
• Building New Age Warehouse Management and Automation Systems for Segmented Supply Chain and Platformize these for externalisation.
• Worked on Supply Chain Insights Platform to provide near-realtime visibility to Control Tower (GCP, BigQuery, Spark, Flink)
• Building Retail-as-a-Service enterprise suite for large scale Retailers, Automate the entire retailing process right from Planning, Procurement, Fulfilment and b2c selling on multiple marketplaces.
• Inventory Planning and Optimizations - Automated Buying / Retailing across a Million products using optimizers for large volume of variables and constraints.

Jan 2017 – Oct 2020 · 3 yrs 9 mos

• Working on building multi-tenant Retail B2B Suite, Facilitating B2B Businesses in Inventory planning, procuring and selling in seamless manner.
• Lead the GST work for entire FK and group companies, Tax Master, HSN service, Invoice utility, Document Signer Service for digital signature, Tax reports.
• Architected the FK in-house ASP/GSP service for automated GST tax filing for entire FK and group companies.
• Worked with team of 5 in building Document Signer Service, A digital signature solution for any documents FK and group companies owns, It's in-house end-to-end solution including low level signer solution interacting with Hardware Security Module (HSM).
• Working on Value recovery platform for eCommerce, solving for reverse logistics, reverse product grading, inventory management, liquidation, refurbishment, re-sell.
• Working on WallST Platform, revenue and billing platform to offer accounting solution as a service which includes transactional billing, invoicing, seller/vendor payments, P&L, GST tax filing via in-house ASP/GSP service.

Jun 2014 – Dec 2016 · 2 yrs 6 mos

• Built a generic, configurable, scalable SOA (Micro Service Architecture) based Accounting platform to do transactional billing and payments for Flipkart and Its subsidiaries.
• Payment system to remit to sellers, vendors and customers.
• Filing automated Tax returns (GST, VAT) via in-house ASP/GSP service.
• Accurate and Complete reconciliation of cash in-flow and out-flow.
• Timely and Accurate reporting from data warehouse of accounting.
• Book keeping entries to Ledger by integrating with Financial solutions.
• Generic accounting service layer called WallST Platform which offered rich capabilities to transform business transactions to accounting entries like invoice, accrual, payment etc.
• Generic Validation and Idempotency layer based on Groovy DSL and config.
• Java DSL based enrichment module called Augmenter to configure any business specific logic (Enrichment, Transform, Rating)
• Config based fees, commissions, tax and due-date calculation using Agreement master via Rating Service.

Jan 2012 – May 2014 · 2 yrs 4 mos

• Worked on building SOA, Micro Service architecture based accounting platform to offer various billing capabilities like Customer Invoicing, Vendor/Seller Payables/Receivables, Cost/Revenue accruals, Bank Integration, Scheduled auto-payout module.
• Worked on B2B vendor master, A portal to track and manage (Workflow) vendor details, bank accounts and legal documents. And also integrate with financial system for vendor sync-up.
• Worked on B2B vendor invoice system, Workflow based invoice digitization, Credit Note and Debit note flows, 3 way reconciliation with PO, GRN and integration with financial system for payments and advances for invoices.
• Worked on debtor receivables and collection module, 2-way reconciliation with PG/POS/COD debtor payments and receivables, multi-levels of knock-off, variable reporting.

Jun 2010 – Dec 2011 · 1 yr 6 mos

• Joined as a fresher to early Flipkart tech team of (size #16).
• Was part of early Flipkart supply-chain team (Team of 6), worked on ground zero supply-chain system capabilities like website to Order management system integration, Invoicing capabilities in Warehouse.
• Worked on scaling and enhancing monolithic single instance ERP system to distributed web-service, solved for app cache syncing, shared session management via session data persisting, DB master-slave.
• Enhancing the performance of monolithic ERP java system by tuning GC, heap configuration tweaking, Slow query management (query-killer and reporter).