eCommerce / Retail
Sam's Club ยท Walmart Inc. ยท samsclub.com
Catalog @ ScaleEnterprise ArchitectureTier-0 ReliabilityHigh-ThroughputMember-FirstZero-DowntimeTechnical Decision-Making
Healthcare / Digital Health
Kno.e.sis Center ยท Northwell Health, New York
Timeline
2018 โ present
Sam's Club ยท Walmart Inc.
Joined as a contractor and earned each step โ seven years, four levels up, one domain. Now leading catalog site-facing backend systems and architecture with deep expertise in how Sam's catalog works at scale.
Contractor
2018
Software Engineer III
2019
Senior Software Engineer
2020
Staff Software Engineer
2022
Principal Software Engineer
2025 โ Present
2015 โ 2018
Kno.e.sis ยท Wright State University & Northwell Health
Engineer, tech lead, and cloud architect on a digital health project working with de-identified asthma patients โ spanning Android to E2E system & cloud infrastructure, with a thesis in parallel. NIH-funded.
Coursework & Independent Study
2015 โ 2017
Intern ยท Northwell Innovations
2016
Master's Thesis
2017 โ 2018
Contract ยท Northwell Innovations
2018
2013 โ 2014
Servion Global Solutions ยท Chennai
The starting point โ an internship at a global contact center solutions company that put real client problems in front of me early. Built tooling that went into production, figured things out as I went, and left with a clearer sense of what engineering for real users actually means.
Research, Honors & Awards
Publications
2018
Knowledge-enabled personalized dashboard for asthma management in children
2018
Augmented personalized health: Using semantically integrated multimodal data for patient empowered health management strategies
2018
Feasibility of recording sleep quality and sleep duration using Fitbit in children with asthma
2015
Knowledge-driven personalized contextual mhealth service for asthma management in children
Honors & Awards
Oct 2020
Making A Difference โ Cash Award
Walmart Inc.
Jan 2022
Making A Difference โ Special Equity Award
Walmart Inc.
Core Competencies
Languages
Systems and application-level programming across performance-critical and web workloads.
Rust
Go
Java
Node.js
Python
Frameworks & Protocols
High-throughput, low-latency service frameworks across gRPC, GraphQL & REST.
gRPC-Netty
GraphQL
Actix-Web
Spring
Gin
REST
Datastores & Caches
Distributed databases and high-performance caching at production scale.
Cassandra
ScyllaDB
MySQL
Elasticsearch
Memcache
Redis
Moka
Cloud & Infrastructure
Multi-cloud platform engineering, Kubernetes, service mesh & infrastructure-as-code.
Azure
GCP
AWS
Kubernetes
Istio
Envoy
Docker
Helm
Messaging & Streaming
Event-driven architectures and high-throughput real-time data pipelines.
Kafka
PubSub
Azure EventHub
Stream Analytics
Observability
Production-grade telemetry and performance architecture.
Prometheus
Grafana
OpenTelemetry
LLMs & Agent Workflows
Building agentic AI systems, LLM integrations, and automated workflow pipelines.
Agentic AI
LLM Integration
n8n
MLOps
Architecture & Design
System Design
Domain-Driven Design
Event-Driven Architecture
Microservices
API Design
RFC / ADR
Performance Engineering
Latency Optimization
Cache Strategy
Load Testing
Profiling
Connection Pooling
Zero-Downtime Deploys
Engineering Leadership
Technical Decision-Making
Cross-team Collaboration
Mentoring
Code Review Culture
Stakeholder Communication
Recognized By
"Vaikunth's work represents some of the most impactful technical contributions we've seen. His unique ability to synthesize rigorous research with practical engineering excellence resulted in solutions that genuinely improved patient outcomes."
Dr. Vipul Kashyap
SVP, Clinical Informatics & Product Strategy ยท CEO, MedHive.AI
SVP, Clinical Informatics & Product Strategy ยท CEO, MedHive.AI
"An exceptional engineer combining research-backed expertise with significant real-world impact. A key thought leader in distributed systems and healthcare technology."
Dr. Pramod Anantharaman, PhD
Applied Researcher & Scientist, Bosch North America
Applied Researcher & Scientist, Bosch North America
"Highly motivated engineer who combines deep technical expertise with genuine delivery instincts. Able to quickly understand ambiguous requirements and implement solutions with sense and style."
Alan Smith
Principal Software Engineer, CognoviLabs
Principal Software Engineer, CognoviLabs
"Strong technical foundation and scalable system design. Vaikunth demonstrates genuine curiosity, collaborative spirit, and commitment to mentoring others."
Dr. Tanvi Banerjee
Director, Data Science for Healthcare
Director, Data Science for Healthcare