Apr 2021 – Mar 2024 · 2 yrs 11 mos

• Responsible for multiple products in the eCommerce Supply Chain area, specifically related to sourcing, which finds the optimal cost-effective solution from across the entire network, all in real-time under 100ms.
• Key responsibilities:
• ● Optimize for newer fulfillment channels & business strategies
• ● Scale real-time sourcing engine to 10x scale
• ● Derive insights from data and make intelligent optimizations
• ● Tech Modernization of Legacy Systems
• ● Envision, plan, and execute the technical roadmap of products across the organization
• ● Technology stack evaluation & recommendation, Key decision maker in architecture & design, Key member of Architecture Council.

Jul 2019 – Mar 2021 · 1 yr 8 mos

• Designed and developed the heart of a huge organization-wide program which enabled Walmart to bring the entire Physical Store assortment onto the eCommerce platform (3 billion Product Listings across 5000 stores) and ease the store shopping experience for customers. Tapped into Store Planning & Assortment signals to design an omni-channel and multi-tenant solution.

Jul 2018 – Jun 2019 · 11 mos

• Architected and designed IoT Cloud and Edge platforms from scratch – IoT core services (ReST services), Gateway agent, Rules Engine, Authorization, Ecosystem, etc.
• Evaluated NoSQL datastore for the different use cases in the IoT area. Designed and implemented generic NoSQL data access layer and plugged it into the framework
• ► IoT Core micro services
• Designed and developed resource-driven, "RESTful HTTP APIs" for IoT, built upon Spring, Riak, Redis, OAuth2 and Apache HTTP client.
• Achieved average service response time for CRUD APIs < 100 ms.
• ► IAM (Identity & Access Management)
• Used "OAuth 2" for the authentication of the ReST APIs. Designed and implemented domain-agnostic, cross-platform authorization solution using XACML (eXtensible Access Control Markup Language) architecture i.e., "Attribute Based Access Control (ABAC)"
• ► IoT Edge Computing - Gateway Agent
• Involved in the key design and architecture of the IoT Gateway Agent from scratch.
• Involved in the evaluation and selection of technology stack and framework
• Designed and implemented "M2M" (machine-to-machine) communication
• Designed and implemented "OTA" (over-the-air) upgrades for the Gateway Agent firmware. Included both push updates (send updates from the Cloud) and pull updates (pull updates from the Cloud). Solution had abilities to upgrade / downgrade / rollback agent versions, with sophisticated notifications
• Designed and implemented the message orchestration layer in the Cloud platform. Implemented a custom Content-Based-Routing (CBR) in the Storm topology.
• Took key design decisions for "Gateway Front hauling and Back hauling", edge compute data store, message orchestration in the Gateway, etc.
• Designed and implemented Smart Data Sync between Cloud and Gateway, which ensured bandwidth efficient data exchange, yet the sync was near-real-time.

Jul 2016 – Jun 2018 · 1 yr 11 mos

Sep 2012 – Jun 2016 · 3 yrs 9 mos

Jul 2011 – Aug 2012 · 1 yr 1 mo · Bangalore

• Managed Java/JEE projects from planning through execution/completion in fast-paced, time-sensitive environments.
• Successfully managed project teams comprising of 15+ people, from Requirements Gathering to Implementation and Support phases.
• Scheduling, Staffing, Budgeting, Planning & Prioritizing, Quality Assurance, Staff mentoring
• Experienced in TnM and FP projects
• Handled projects in Retail and CPG domain

Oct 2009 – Jun 2011 · 1 yr 8 mos · Bangalore

Aug 2006 – Sep 2009 · 3 yrs 1 mo · Bangalore

Aug 2003 – Jul 2006 · 2 yrs 11 mos · Bangalore