Summary
Overview
Work History
Education
Skills
Timeline
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Vishal Rai

London

Summary

Seasoned Data and AI professional with 12+ years of experience, driving enterprise-wide innovation across Big Data, AI, and GenAI. Expert in data mesh, data products, and cloud-native architectures, with a proven track record of delivering scalable, intelligent solutions.
Skilled in data modeling, cloud strategy, and modern AI-driven ecosystems using LLMs, RAG, and Agentic AI, ensuring seamless integration between technology and business goals. Adept at navigating organizational design forums, securing stakeholder consensus, and influencing enterprise-wide decisions.

Overview

9
9
years of professional experience

Work History

Cloud Architect

Publicis Sapient
London
01.2025 - Current
  • Designed a GCP cloud-based reusable data product toolkit pattern.
  • Spearheading a team of 10 data engineers to deliver origin and foundation data products using patterns and toolkits.

Senior Data Engineer

Publicis Sapient
London
01.2024 - 01.2025
  • Worked on the Azure cloud stack with Databricks to create Delta Lake.
  • Created a Gen AI-based RAG model for the rule repository in Azure Cosmos DB.
  • Worked on the creation of a Neo4j-based knowledge graph with Langchain.
  • Integration of GenAI and LangChain with enterprise APIs.
  • Created a fast API-based Python micro service and its CI/CD using Azure DevOps and GitLab.

Senior Data Engineer

Publicis Sapient
London
01.2022 - 12.2023
  • Spearheading a team of over six data engineers to design and develop a GCP cloud-based ingestion pipeline (batch and real-time) and an analytical store to support personalization use cases.
  • Worked on the creation of a data warehouse while fetching data from different SORs and creating Risk and Finance-specific data products.
  • Establish GitOps and FinOps processes.
  • Establish a pattern for data quality, data management, and other aspects of data governance.
  • Created logical and physical data model designs with different dimensional modeling, including star and data vault.
  • Working in infrastructure automation, CI/CD, Spring Boot microservices, and Kubernetes deployment.
  • Regular interactions with Stakeholders i.e. Product Owners, Business Analysts, and Data Architect Group for design approval and technical mapping.

Senior Data Engineer

Publicis Sapient
London
07.2021 - 12.2021
  • Worked on an AWS-based pipeline creation for insurance master data.
  • Design and develop an S3 data lake solution using Lambda, Step Functions, DynamoDB, etc.
  • Investigate and fix production incidents for the file download process if any pipeline failures happen.

Senior Big Data Engineer

Lloyds Banking Group
London
08.2016 - 08.2021
  • Delivered a Big Data Hadoop solution (Cloudera-based) with a NoSQL database to create a real-time transaction pipeline to read data from the mainframe and support various use cases, e.g., open banking and real-time notifications.
  • Design and develop a data reconciliation framework to support heterogeneous data sources and reconciliation.
  • Worked as an SRE engineer to support production incidents, problem records, and the historical load and release process.
  • Worked on the risk service layer for the front-to-back repository and created an ETL pipeline and EDM data model for risk reporting in MongoDB with Spark, Kafka, etc.

Education

Master of Computer Applications - Computer Science

Galgotia Institute of Management Technology

Skills

  • Cloud architecture Design
  • Batch and Streaming data pipeline design
  • RAG and Agentic AI(Lang graph) Proficiency
  • GCP proficiency
  • Azure proficiency
  • Data governance
  • CI/CD implementation
  • Microservices architecture
  • Data modeling
  • Team leadership
  • Containerization technologies
  • Virtualization technologies
  • Monitoring and logging
  • Infrastructure as Code
  • Technical support and assistance
  • Big data technologies
  • No-Sql

Timeline

Cloud Architect

Publicis Sapient
01.2025 - Current

Senior Data Engineer

Publicis Sapient
01.2024 - 01.2025

Senior Data Engineer

Publicis Sapient
01.2022 - 12.2023

Senior Data Engineer

Publicis Sapient
07.2021 - 12.2021

Senior Big Data Engineer

Lloyds Banking Group
08.2016 - 08.2021

Master of Computer Applications - Computer Science

Galgotia Institute of Management Technology

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Vishal Rai