Manpreet Singh Nandra MS- IT

Data Engineer | Big Data | Databricks & Analytics Solutions | Snowflake | Microsoft Certified Fabric Data Engineering Associate | GenAI Engineer

Greater Vancouver Metropolitan Area

About

Microsoft Certified: Fabric Data Engineer Associate with a strong background in building scalable data solutions using Snowflake, Azure Databricks, Microsoft Fabric, Data Factory, and Delta Lake. Skilled in designing robust ETL/ELT pipelines with PySpark, SQL, and Python, and optimizing big data workflows in cloud-based lakehouse architectures. Proficient in handling real-time and batch data, ensuring data quality, security, and governance using CI/CD (Azure DevOps) and Apache Airflow. Adept at collaborating in Agile/Scrum environments and delivering business-ready data for analytics and BI tools like Power BI and Tableau. Passionate about enabling data-driven decisions through modern, efficient, and reliable data engineering practices. • Proficient in Big Data environment with hands-on experience in utilizing Azure Databricks, Spark, and Delta Lake for large-scale data processing of structured and semi-structured data. • Experienced working on Databricks Unified Data Analytics, Databricks Workspace User Interface, Managing Databricks Notebooks, Delta Lake with Python, and Delta Lake with Spark SQL. • Hands-on experience in designing and developing scalable data pipelines using Azure Data Factory (ADF), Azure Databricks (ADB), Delta Lake, and Snowflake to process high-volume financial transactions. • Strong understanding of Big Data Security and governance, including encryption, RBAC, and compliance with PCI DSS, SOX, and GDPR standards. • Proven expertise in building ELT workflows using PySpark, SQL, and ADF for integrating data from core banking systems, credit bureaus, and payment processors. • Skilled in developing optimized data models and partitioning strategies for Big Data lakes in Azure Data Lake Storage (ADLS) and Snowflake, improving query performance and storage efficiency. • Strong experience working with Azure Data Lake Storage Gen2 (ADLS) and Delta Lake to store and manage large-scale structured and semi-structured financial data. • Skilled in implementing data quality and monitoring frameworks using Apache Airflow, Great Expectations, and Azure Monitor to ensure pipeline reliability and compliance. • Built real-time data streaming and analytics solutions using Kafka, Databricks Structured Streaming, and Delta Live Tables for fraud detection and transaction monitoring. • Migrated legacy ETL processes from on-premise systems to Azure Synapse Analytics and Snowflake, reducing operational costs and improving performance.

Experience

  • Senior Data Engineer/ Data Architect at Confidential
    Sep 2025 - Feb 2026 · 6 mos

    Working as Senior Data Engineer, developing SQL Server to Azure Databricks migration solutions using Azure Databricks Lakehouse and end to end aanalytic solutions using Microsoft Fabric.

  • Senior Data Engineer/ Architect at Ally Financial Group
    Jan 2024 - Sep 2025 · 1 yr 9 mos

    Project Overview: Ally Financial is a leading digital financial service company offering an array of deposit and mortgage products and services. This role was part of the Enterprise Payments and Fraud Prevention division, managing a portfolio of liquidity/ Credit risk regulatory data projects. Responsibilities: • Developed and maintained ETL pipelines using Fivetran and Azure Data Factory to ingest and transform data. Optimized notebooks and data pipelines using Python, Spark, and Scala • Built and deployed high-performance ELT workflows using Azure Data Factory, Apache Spark, and SQL, automating complex transformations across regulatory and liquidity datasets. • Collaborated in the design of distributed systems and streaming architectures using Spark Streaming and Kafka to ingest real-time transactional data and fraud alerts. • Implemented secure and reusable credential handling using Azure Key Vault, integrated with Databricks, ADF, and other pipeline components. • Automated infrastructure provisioning using Terraform and enabled seamless code integration and deployment through CI/CD pipelines in Azure DevOps, AWS CodePipeline, and GitHub Actions. • Designed analytical data models and curated datasets in Azure Synapse and Power BI to support dashboards for fraud detection, risk exposure, and compliance tracking. • Developed Python scripts for data validation, transformation, and automation tasks within ETL pipelines, improving pipeline efficiency and reducing manual intervention. • Orchestrated data workflows using Apache Airflow and managed version control, collaboration, and CI/CD deployment using Git and Azure DevOps. • Leveraged Terraform for infrastructure-as-code (IaC) to provision and manage Azure resources for data platform deployment and automation. •Conducted Snowflake performance tuning, developed virtual warehouses, and utilized Streams & Tasks for near real-time data processing and Time Travel for auditability.

  • Big Data Engineer/ Architect at Citi
    May 2023 - Dec 2023 · 8 mos

    Project Overview: Worked within Citibank’s Global Data Services team, supporting a portfolio of Big Data regulatory reporting and capital markets modernization projects. The role involved building scalable data pipelines and delivering secure, governed, and analytics-ready datasets. Responsibilities: • Developed scalable ETL/ELT pipelines using Azure Data Factory, PySpark, and SQL to ingest, transform, and validate data from multiple banking systems into Snowflake. • Designed and implemented data lakehouse architecture using Azure Data Lake Storage (ADLS) and Delta Lake, enabling both batch and near real-time processing. • Built and optimized data models (star/snowflake schemas) in Snowflake, supporting regulatory and liquidity risk reporting requirements. • Utilized Streams & Tasks, Time Travel, and Virtual Warehouses in Snowflake to implement incremental loads, rollback capabilities, and cost-efficient compute scaling. • Created parameterized notebooks in Azure Databricks for large-scale data transformations and advanced analytics use cases using Spark (Scala/PySpark). • Ensured data security and governance through Role-Based Access Control (RBAC), masking policies, and lineage tracking via Azure Purview. • Enabled BI and analytics integration by exposing curated datasets to Power BI and Tableau, supporting teams across finance and risk. • Followed CI/CD best practices using Azure DevOps, Git, and Terraform for code versioning, pipeline deployment, and infrastructure automation. • Participated in Agile Scrum ceremonies, collaborated with cross-functional teams, and maintained detailed technical documentation for all data engineering solutions

  • Azure Data Engineer at Capgemini
    Jan 2022 - Feb 2023 · 1 yr 2 mos

    Project Overview: Worked on a project portfolio worth CAD 25 million of data mapping, data transformation & migration projects post RBC- HSBC merger using MS Azure Databricks Big Data platform and other large-scale technology implementations for top North American Financial institutions. Responsibilities: • Designed, developed, and maintained scalable data pipelines using Databricks and Apache Spark • Implemented ETL/ELT workflows for processing structured and unstructured data. • Optimized and fine-tuned Spark jobs for performance and cost-efficiency. • Collaborated with Data Scientists, Analysts, and Engineers to integrate data from various sources. • Worked with Delta Lake, notebooks, and MLflow to support analytics and machine learning initiatives. • Ensured Data Quality, Governance, and Compliance standards are met. • Monitored and troubleshooted data pipelines in production environments. • Automated data validation and pipeline testing processes. • Participated in code reviews, architecture discussions, and Agile ceremonies

  • Data Platform Engineer – EMR Systems at University Health Network
    Nov 2021 - Feb 2022 · 4 mos

    Project Overview: This role was responsible for managing a highly complex Organizational change project of the implementation of a new Electronic Medical Record (EMR) system for the University Health Network, the largest hospital chain in Ontario, funded by the provincial government. Responsibilities: • Worked closely with project managers and system integrators to align data engineering deliverables with key EMR rollout milestones. • Collaborated with EMR implementation teams and clinical stakeholders to define data requirements and support real-time reporting needs across departments. • Designed and implemented secure, scalable ETL pipelines using Azure Data Factory, Azure Databricks, and ADLS Gen2 to integrate clinical and administrative data from multiple legacy systems. • Built and maintained reusable Delta Lake tables and data models to support longitudinal patient analytics and care coordination dashboards. • Leveraged Spark (PySpark) on Databricks to handle large volumes of semi-structured EMR data for downstream analytics and reporting in Power BI. • Applied data governance, security (Key Vault), and compliance standards in alignment with healthcare regulations such as PHIPA and provincial Health Ontario mandates. • Integrated hospital data into the centralized Azure Synapse environment for enterprise-wide querying and regulatory reporting.