Headline

Principal Engineer | Data, Backend & DevOps | GCP | Supply Chain · Retail · eCommerce

About

What I've Built & Led I architect and scale enterprise-grade retail and data platforms — from greenfield builds to systems handling millions in peak-event revenue. 🔹 Built and managed enterprise data platforms across 3 organizations — data ingestion, transformation, modeling, and analytics on GCP & BigQuery 🔹 Owned end-to-end GCP cloud infrastructure across 3 organizations — application infrastructure, networking, security, observability, and production ops 🔹 Built and managed Auto-Replenishment platforms across 3 organizations — demand-driven replenishment, inventory optimization, and supply-chain integration 🔹 Core Architect on Catalyst, a $130M modernization program at Falabella — rebuilding the retail platform for cloud-scale enterprise operations 🔹 Built a sub-millisecond promotion engine — one of the most performance-critical components in large-scale retail 🔹 Architected platforms serving 500K+ concurrent users and supporting $100M+ in peak-event sales, engineered for scalability, resilience, and performance 🔹 Led major platform migrations — ATG → Microservices and Magento → Microservices on GCP — turning legacy monoliths into cloud-native architectures 🔹 Built retail platforms from greenfield to production across B2C, B2B, and Marketplace models 🔹 Led and mentored a team of 15 engineers through high-stakes architecture, engineering, and delivery cycles 🛒 Retail Domain Expertise Pre-Order & Post-Order Systems · Supply Chain · Warehouse Management · Procurement · Auto-Replenishment · Promotions & Pricing · Retail Data Platforms ⚙️ Architecture & Technology GCP · BigQuery · Microservices · Event-Driven Architecture · Cloud-Native Systems · Distributed Systems · Data Platforms · Multi-language Development 📢 Open to Principal Engineer & Software Architect opportunities — Remote · Hybrid · On-site 📩 yumkumar+l@gmail.com

Location

Greater Bengaluru Area

AI stack

antigravity

claude code

gemini

Work experience

Principal Engineer at KPN Fresh, Jan 2023 - Present · 3 yrs 9 mos, Bengaluru

Principal Engineer at IBO (Ebo Mart Private Limited), Sep 2021 - Present · 5 yrs 1 mo, Bengalure, Responsible for design and development of multiple projects : Supply Chain: Led the design and development of various projects within the supply chain domain, including Warehouse Management Systems (WMS). Developed systems for Inbound, Outbound, Inventory Management, Cycle Count, and Carrier Management. Tech Stack: Node.js, Java, Postgres, Redis Data and Analytics: Implemented comprehensive data architecture and cloud-based pipelines. Designed and built multiple dashboards for Replenishment, Sales, P&L, Inventory Age, and Control Tower. Tech Stack: BigQuery, Datastudio (Looker Studio), Datastream, Node.js, Python, GCP DevOps: Managed end-to-end infrastructure, ensuring smooth operations. Tech Stack: Google Cloud Platform (GCP), Terraform, Kubernetes, Docker, GitHub, Ansible Payment Engine: Responsible for the design and development of a payment engine that orchestrates multiple payment gateways and provides a unified API for integration. Tech Stack: Node.js, Postgres, GCP

Software Architect at Falabella India, Oct 2019 - Aug 2021 · 1 yr 11 mos, Contributed to the design and development of multiple projects within the Catalyst program, aimed at constructing a highly scalable microservice and cloud-based digital retail system. Led the design and development of the multi-tenant capable Promotions module. Tech Stack: Golang, Node.js, Redis, Postgres, GCP. Spearheaded the design and development of the Subscription module. Tech Stack: Node.js, Postgres, GCP. Took responsibility for the design and development of the Audit module. Tech Stack: Node.js, Postgres, GCP. Played a key role in developing the eCommerce portal for Sodimac, a home improvement store. Tech Stack: React.js, Node.js, Redis, GCP.

Lead Engineer at Falabella India, Jun 2018 - Sep 2019 · 1 yr 4 mos, Bengaluru, Karnataka, India, Responsible for development of B2B eCommerce portal for Sodimac business (Home improvement store) Tech stack: React.js, Node.js, Java, Azure

Engineer ll at AJIO.com, Aug 2016 - Jun 2018 · 1 yr 11 mos, Bengaluru Area, India, Responsible for development of CMS web services for Reliance digital eCommerce portal (https://www.reliancedigital.in) Tech stack: Vue.js, Java, Node.js

System Analyst( Portfolio Development and Innovation) at Subex, Aug 2015 - Jul 2016 · 1 yr, Bengaluru Area, India, Responsible for development of core libraries for ROC platform Tech Stack: Java, GWT

Education

Bachelor of Engineering (B.E.), Electronics and Communications Engineering, Pondicherry University