Data Engineer | SQL | Python | PySpark | Azure | Databricks | ADF | ADLS Gen2 | ETL/ELT | Power BI

Bengaluru, Karnataka, India
Bangalore

Bengaluru, Karnataka, India

Bengaluru, Karnataka, India






Bachelor of Engineering, Electrical, Electronics and Communications Engineering
Visvesvaraya Technological University Govt Engg College Kushalnagara

Bachelor of Engineering, E & C
Vishveshwarya Group of Institutions
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Download Tal BossData Engineer | SQL | Python | PySpark | Azure | Databricks | ADF | ADLS Gen2 | ETL/ELT | Power BI
Data Engineer with 5+ years of professional and freelance experience in data engineering, analytics, and business data solutions. I work with SQL, Python, PySpark, Azure Data Factory, ADLS Gen2, Azure SQL, Azure Databricks, Apache Spark, Power BI, Git, and GitHub. I have hands-on experience building end-to-end ETL/ELT pipelines, data warehouses, data lakehouse solutions, data transformation workflows, incremental processing, data quality checks, dimensional models, and analytics-ready datasets. My recent project work includes an end-to-end NYC Yellow Taxi data engineering platform using Azure Data Factory, ADLS Gen2, Azure Databricks, PySpark, Azure SQL, Unity Catalog, and Power BI. The project includes incremental ingestion, SQL control tables, watermark management, audit tracking, retry handling, data-quality validation, quarantine processing, duplicate handling, SCD Type 2, REST API integration, and Gold-layer analytics. I also built an AdventureWorksDW-2025 modern Azure Data Warehouse and Lakehouse using SQL Server, Azure Data Factory, ADLS Gen2, Azure Databricks, PySpark, Spark SQL, and Power BI. Core Skills:SQL | Python | PySpark | Spark SQL | Pandas | ETL/ELT | Data Warehousing | Data Modeling | Medallion Architecture | Incremental Loading | SCD Type 2 | Azure | ADF | ADLS Gen2 | Azure SQL | Databricks | Delta Lake | Power BI | Git | GitHub | CI/CD Open to Data Engineer opportunities where I can contribute to building scalable data pipelines, cloud data platforms, and analytics solutions.
Bengaluru
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Data Engineer at Freelance | Self-Employed, Nov 2022 - Present · 3 y 11 mo, Bengaluru, Karnataka, India, Working on data engineering and analytics solutions for business clients, building data pipelines, transforming operational data, and developing analytics and reporting solutions. Dhee Masala – Data Engineering and Analytics * Built end-to-end data pipelines for customer, product, billing, and sales data using Azure SQL, Azure Data Factory, Databricks, and PySpark. * Performed data cleaning and analysis to identify top-selling products, high-performing locations, customer purchasing patterns, and sales trends. * Analyzed repeat-customer behavior and pricing patterns, contributing to approximately 30% higher sales compared with the previous year. * Implemented monthly and yearly incremental data processing for customer and sales datasets. * Developed Power BI reports for sales, customer, product, and business performance analysis. Asianet Water Cleaning Services – Data Engineering and Analytics * Built data pipelines for commercial customers, residential customers, apartments, and service records. * Used SQL, Python/Pandas, Azure, Excel, and Power BI for data cleaning, transformation, analysis, and reporting. * Analyzed revenue, profit, expenses, vehicle costs, equipment costs, and profit margins. * Identified high-demand residential locations, contributing to approximately 20% year-over-year revenue growth. * Developed reports for customer demand, revenue, expenses, vehicle expenditure, and profitability tracking.
Data Engineer at Dhee Masala, Nov 2022 - Present · 3 y 11 mo, Bangalore, Built end-to-end data pipelines for customer, product, billing details and sales data using Azure SQL, Azure Data Factory, Databricks, and PySpark. Performed data cleaning and analysis to identify top-selling products, high-performing locations, customer purchasing patterns, and sales trends. Analyzed repeat-customer behavior and pricing patterns, contributing to approximately 30% higher sales compared with the previous year. Implemented monthly and yearly incremental data processing and maintained customer and sales datasets. Developed Power BI reports for sales, customer, and product and business performance analysis.
Business Intelligence Analyst at BYJU'S, Dec 2020 - Nov 2021 · 1 yr, Bengaluru, Karnataka, India, Byju's is India's leading EdTech platform, delivering K-12 and competitive exam learning through a highly visual and interactive teaching methodology. * Collected, tracked, and analyzed student activity and enrollment data to identify behavioral patterns and learning trends across the platform. * Generated actionable insights to support operational and academic teams in improving student engagement and retention. * Built and maintained Power BI dashboards to monitor key metrics such as enrollment rates, session activity, and course completion — enabling leadership to make faster, data-driven decisions. * Collaborate cross-functionally with academic and product teams to recommend data-driven improvements to the learning experience. * Developed foundational expertise in SQL, Power BI, and data analysis. Tech: SQL · Power BI · Excel · Data Reporting · Operational Analytics
Operations Team Lead at Wicked Ride, Jun 2019 - Apr 2020 · 11 mos, Bengaluru, Karnataka, India, Bounce (formerly Wicked Ride) is one of India's largest bike and scooter rental platforms, operating across multiple cities with a tech-driven mobility model. * Collected and maintained comprehensive rental operations data including dates, customer information, bike models, rental durations, and pricing — ensuring data accuracy and completeness. * Built Excel Pivot Tables to summarize and analyze key business metrics such as total rentals per bike model, monthly revenue trends, and utilization rates. * Designed Excel charts (line, bar, and pie) to visualize operational trends and patterns, supporting management reporting and decision-making. * Managed data documentation and metadata using structured Excel sheets, improving data accessibility and consistency across the operations team. Tech: Microsoft Excel · Pivot Tables · Data Visualization · Operational Data Management
Bachelor of Engineering, Electrical, Electronics and Communications Engineering, Visvesvaraya Technological University Govt Engg College Kushalnagara
Bachelor of Engineering, E & C, Vishveshwarya Group of Institutions
github: https://github.com/NandiGowda003
nandigowda003.github.io: https://nandigowda003.github.io/