Virender Bhargav

Lead ML Engineer

Bengaluru, Karnataka, India9 yrs 2 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Expert in Machine Learning and AI solutions.
Proven track record in building scalable data platforms.
Strong experience in backend engineering and microservices.

Stackforce AI infers this person is a Machine Learning and Data Engineering expert in the SaaS industry.

Contact

Skills

Core Skills

Machine LearningArtificial Intelligence (ai)Big DataData EngineeringBackend EngineeringMicroservicesBackend DevelopmentWeb Development

Other Skills

AI AgentsAWSApache DruidApache FlinkApache KafkaApache SparkAuto MLAutogenBatch InferenceBigTableCeleryConversational AIDeep LearningDistributed SystemsDjango

About

8+ years of experience in architecting, designing and developing Machine Learning & Artificial Intelligence Solutions, Data Platform Solutions and large scale distributed systems. Machine Learning Engineering: Conversation AI Agents, NVIDIA Omniverse, RAG, Model Context Protocol, auto-gen, ML Training, ML Pipelines, Batch inference, NVIDIA, GPU, Time-slicing, Fractional-GPU, Langchain, llama-index Programming Languages : Python & Java Vector Store/Library : FAISS, Milvus, Qdrant, ChromaDB, Pinecone Machine Learning: Neural networks, Deep learning, Transfer learning, Convolutional networks , Recurrent Neural Networks Technologies: Apache Flink, Spark, Spring, Django, Flask Big Data : Flink, Spark, Hive, Hadoop, HBase Backend Engineering : FAST API, Django, Flask, Spring Boot Data/Databases : Druid, BigTable, BigQuery, MySQL, PostgreSQL, Hibernate Technologies : Kubernetes, Kafka, Redis, Elastic Search, RabbitMQ, Airflow, Azkaban Tools & Platforms : GCP, AWS, Azure, Terraform, Ansible, Prometheus, Grafana, Nginx, Gunicorn, Celery, JIRA, Git, CI/CD, TDD

Experience

Flipkart

3 roles

SDE 4 - Machine Learning Platform

Promoted

Jan 2025 – Present · 1 yr 2 mos · On-site

Machine Learning Platform @ Flipkart
Flipkart Machine Learning Platform: Design and development of end-to-end automated ML Platform offerings.
AI Agents Platform: Super-headed the development of an AI Agent Builder Platform with support of Retrieval Augmented Generation, Knowledge Base, Memory, and AI Tools for Flipkart.
AI Voice Agents: Real-time Conversational Voice Call Agents.
Digital Humans: AI Avatars with Real-Time Language Understanding, Speech, Animation and Graphics.

AI AgentsMachine LearningArtificial Intelligence (AI)KubernetesConversational AIPyTorch+10

SDE 3 - Machine Learning Platform

Sep 2022 – Jan 2025 · 2 yrs 4 mos · On-site

Machine Learning Training Platform: Multi-dc model training platform using Kubernetes and heterogeneous GPU pools (H100, V100, A100) with multi-node training support using MPI. -
Machine Learning Workflow Orchestrator: Orchestration platform for ML and Data pipelines leveraging Kubernetes, GPUs, and Airflow.
Machine Learning Batch Inference: OfflineBatchML inferencing platform using Spark on Kubernetes & Spark on GPUs.

Machine LearningArtificial Intelligence (AI)Auto MLGPUKubernetesModel Training+1

Software Development Engineer II

May 2021 – Sep 2022 · 1 yr 4 mos · On-site

▹ Design and development of an in-house realtime analytics product on Flipkart’s clickstream data with a scale of upto 900kqps traffic with state of 40M+ devices using Flink, Druid, Spark, Hbase etc.
▹ Conceptualised and developed sessionization and variable-propagation  for Flipkart’s click stream data.
▹ Responsible for design and implementation of lambda architecture in Flipkart clickstream processing.
▹ Responsible for design and development bot detection using rule engine in  click stream pipeline.
▹ Responsible for optimising Flipkart’s real-time analytics datastore size by 30% on druid cluster.
▹ Responsible for architecting and designing migration of Flipkart data platform to google cloud.

Apache FlinkApache KafkaApache DruidHBaseApache SparkGoogle Cloud Platform (GCP)+5

Paytm

2 roles

Senior Software Engineer

Promoted

Apr 2020 – May 2021 · 1 yr 1 mo

Spring Boot | Java | MySQL | Hibernate | Kafka | ElasticSearch | RabitMQ | REST | Microservices
Responsible for design and development of custom rule engine for evaluation of dynamic conditions for custom approval workflow.
Conceptualized and developed Report Generation module for Paytm Merchant Platform.
Responsible for the development of the Payments Management module for Paytm Merchant Platform.
Implementation of Customer Management module for Account Payables.
Responsible for design and development of Credit Notes module for Account Receivables.
Analytics Dashboard for P4B homepage using Elastic Search and Kafka.
Offline-first solution for Business-Khata app.

Spring FrameworkKafka StreamsElastic Stack (ELK)FlaskRabbitMQAWS+11

Software Engineer

Oct 2018 – Apr 2020 · 1 yr 6 mos

Spring | Flask | NodeJS | MySQL | Hibernate | Kafka | ElasticSearch | RabitMQ | REST
Responsible for breaking monolithic architecture into microservices
for Paytm Smart Retail app.
Responsible for the development of Online Delivery Integration framework for Paytm POS.
Responsible for Design and Implementation of return SLA framework for Paytm Mall.
Responsible for Development of partial return module for Paytm Wholesale.
Implementation of RabbitMQ consumer and producers for post return/repalcement async actions for Paytm Mall .
Rest API development using Spring, Flask and Nodejs.

Spring FrameworkKafka StreamsElastic Stack (ELK)FlaskRabbitMQAWS+16

Grappus

Software Developer

Jun 2017 – Oct 2018 · 1 yr 4 mos · gurgaon

Rest API development using Django for different web/mobile apps.
Responsible for requirement gathering, low-level designing, and client interaction
Conduct code reviews to ensure adherence to development standards.
Implementation of a simple recommendation system of similar questions based on tag-matches.
Payment gateway integration with Razorpay, Paytm and customized wallet.
Responsible for the development of offline access of app content.
Implementation of Universal Search using Elastic Search.
Production infrastructure setup and maintenance on Amazon AWS
platform