Arjun S

About Arjun S

Data Engineer experienced in Banking and Capital Markets, Wealth and Asset Management, and Regulatory Reporting at EY.Skilled in data pipelines, with practical experience in Azure Databricks and Azure Data Factory.Streamlined the ingestion process by creating transformation logic in PySpark within Databricks.Developed and executed validation scripts for essential big data tables, achieving an impressive 98% consistency rate and improving overall data reliability.Automated notebook refreshes as well job runs in Azure Databricks through the use of PowerApps and Power AutomateDeveloped validation rules using SQL to ensure data integrity and accuracy across various datasets. These rules were designed to identify inconsistencies and errors, facilitating timely corrective actions to maintain high-quality data.

Experience

1. Consultant

   KPMG

   Oct 2025 — Present · Bengaluru, IN

   Designing and delivering end-to-end ELT pipelines for large-scale production and HSE (Health, Safety & Environment) data to support executive and operational reporting.Building scalable ingestion and transformation workflows on Microsoft Fabric, leveraging PySpark for data cleansing, normalization, and business-ready transformations.Integrating data from heterogeneous sources including SQL Server, APIs, SharePoint, and flat files with strong focus on data quality, auditability, and consistency.Optimizing Spark-based transformation logic to convert raw operational data into curated analytical datasets, improving downstream reporting performance.Modeling transformed data into business metrics and KPIs, enabling self-service analytics and interactive dashboards using Power BI.Collaborating closely with business stakeholders to translate reporting requirements into scalable, cloud-native data solutions.Tech: PySpark, SQL, Python, Microsoft Fabric, Azure Data Lake, OneLake, Power BI, Git, GCP

Education

• Kendriya Vidyalaya

  Higher Secondary Education, Biology/Biological Sciences, General

  2014 — 2016

• JYOTHI ENGINEERING COLLEGE, CHERUTHURUTHY

  Bachelor of Technology (Honours), Electrical and Electronics Engineering