Vijendra Kumar Kulhade
Sunnyvale,CA
Summary
Principal Software Engineer with 15+ years of experience specializing in the intersection of Big Data infrastructure and Applied Machine Learning. Proven track record of architecting high-throughput real-time systems and deploying deep learning models (CNNs, Transformers) into production environments. Expert in bridging the gap between data science research and scalable engineering execution. Demonstrated success leading multi-disciplinary teams to deliver AI-driven solutions that solve problems at massive scale.
Overview
7
7
years of professional experience
Work History
Principal Software Engineer
Walmart Global Tech
01.2022 - Current
- Directed a multi-disciplinary team of 8 engineers and data scientists to architect an end-to-end automated measurement and audience management platform for Connected TV (CTV) advertising campaigns.
- ML Core: Engineered propensity-based audience segmentation using XGBoost gradient boosting, driving 25% CTR increase and 35% reduction in training compute costs.
- Real-Time Analytics Pipeline: Architected high-throughput pipeline leveraging Apache Kafka and Druid to ingest and serve CTV performance data at sub-second latency, processing 10M+ events/day.
- Audience Activation & ML Monitoring: Developed automated segmentation engine with real-time monitoring systems preventing model drift in production.
- Campaign Intelligence: Delivered real-time insights on reach, frequency, and attribution through production-grade dashboards.
- Marty: AI Super Agent for Advertisers & CTV Platform
Staff Software Engineer
Walmart Global Tech
12.2020 - 08.2022
- Orchestrated zero-downtime migration of Customer Knowledge Platform from on-premises to cloud-based data lake, maintaining availability and improving operational efficiency.
- Schema Evolution & Governance: Implemented automated validation frameworks ensuring data integrity for 15TB customer transaction migration.
- Performance & Cost Optimization: Improved query performance by 50% and reduced annual infrastructure costs by 40% through optimized data lake architecture.
- Zero-Downtime Migration: Managed seamless transition to AWS/Azure with zero data loss and automated rollback capabilities.
- Customer Knowledge Platform (CKP) Migration to Cloud Data Lake
Senior Software Engineer
Walmart Global Tech
02.2019 - 12.2020
- Led full-stack development of production real-time data ingestion pipeline enabling instant tracking of member savings.
- High-Performance Pipeline: Architected real-time ingestion pipeline processing transactions with sub-second latency, enabling instant savings visibility.
- Developer Tooling: Built reusable JavaScript-based configurable framework and contributed to open-source library noderd-kafka.
- Real-Time Ingestion Pipeline for Walmart Plus Membership Platform
Education
Master's Degree - Computer Science (Big Data & Artificial Intelligence)
Arizona State University (ASU)
01.2023
Master's Degree - VLSI & Embedded Systems Design
Maulana Abul Kalam Azad University (MANIT)
Bhopal, IndiaBachelor's Degree - Electronics & Communications
Rajiv Gandhi Proudyogiki Vishwavidyalaya (RGPV)
Bhopal, IndiaSkills
- AI/ML Products & Frameworks:
- TensorFlow, PyTorch, scikit-learn, pycaret, LangGraph, LangChain
- ML Algorithms: Regression, Classification, Clustering, CNNs, RNNs, Transformers, Generative AI
- MLflow, SageMaker, Vector Databases (Milvus, Pinecone, Weaviate), Model Monitoring, Feature Engineering
- Programming Languages:
- Python (primary), Java, JavaScript, Nodejs
- Big Data & Orchestration:
- Apache Hadoop, Apache Spark, Apache Kafka, Spark Streaming, Kafka Streaming, Druid, Apache Airflow, Kubeflow
- Databases & Storage:
- PostgreSQL, MongoDB, Cassandra
- Infrastructure & DevOps:
- Spring Boot, Docker, Kubernetes, Terraform, AWS, Azure, GCP
- System Design & Architecture:
- Event-Driven Architecture, CAP Theorem, Low-Latency Inference, Distributed Training, Microservices, Real-Time Processing
Accomplishments
- Mentored 10 new employees to bring them up to speed on projects, resulting in quicker overall completion milestones.
- Promoted to next level after every 2 years.
Timeline
Principal Software Engineer
Walmart Global Tech
01.2022 - Current
Staff Software Engineer
Walmart Global Tech
12.2020 - 08.2022
Senior Software Engineer
Walmart Global Tech
02.2019 - 12.2020
Master's Degree - Computer Science (Big Data & Artificial Intelligence)
Arizona State University (ASU)
Master's Degree - VLSI & Embedded Systems Design
Maulana Abul Kalam Azad University (MANIT)
Bachelor's Degree - Electronics & Communications
Rajiv Gandhi Proudyogiki Vishwavidyalaya (RGPV)