Sagar Marathe

About Sagar Marathe

As an experienced, I specialize in designing and delivering end-to-end data solutions that transform raw data into business-ready insights. With a strong foundation in, I bring a balanced mix of hands-on expertise and solution-oriented thinking.I focus on building scalable, automated, and secure data pipelines on Azure. From ingestion and transformation to storage and consumption, I ensure that data workflows are optimized, reliable, and aligned with business needs. I’ve successfully implemented projects using (-) to improve data quality, reduce cost, and enable faster insights:• () – Dynamic, parameterized pipelines, ETL/ELT orchestration, fault-tolerant design• & – Batch/stream processing, Delta Lake, Spark optimizations, modular notebooks• & – Advanced queries, stored procedures, data warehouse design, performance tuning• – CI/CD pipelines with Azure DevOps & Git, environment automation, version control• & – ADLS Gen2, Blob, REST APIs, service principals, Key Vault security :• Reduced pipeline failures by 90% using dynamic design and error-handling frameworks• Improved processing time by 70% through optimized PySpark transformations• Automated deployments with CI/CD pipelines, reducing release cycles and improving stability• Delivered curated datasets for reporting and insights using Power BI and Azure SynapseI take pride in delivering production-grade, value-driven data engineering solutions. Whether it’s modernizing legacy systems, enabling real-time analytics, or scaling cloud-native data platforms — I focus on aligning technical solutions with strategic business goals.’

Experience

1. Senior Data Engineer

   Tata Consultancy Services

   Sep 2025 — Present · Mumbai, IN

   Senior Data Engineer with 4+ years of experience designing, building, and optimizing scalable data platforms that power analytics, reporting, and machine learning use cases. Specialize in turning raw, complex data into reliable, high-quality datasets that enable business decisions.Hands-on experience in end-to-end data engineering, from ingestion and transformation to orchestration, monitoring, and performance tuning in cloud-based environments.

Education

• Welingkar Institute of Management

  Post Graduation Diploma in Business Administration (PGDBA), Finance and Financial Management Services

  2011 — 2012

• SSBT'S COLLEGE OF ENGINEERING & TECHNOLOGY, BAMBHORI.

  Bachelor of Engineering - BE, Information Technology

• North Maharashtra University

  Bachelor of Technology - BTech, Information Technology

Skills

• Web Services
• C# 4.0
• C#
• .net
• Ssrs
• Wcf Services
• Sharepoint
• Software Project Management
• Asp.net Mvc
• Basic Html
• Ssis
• Javascript
• Cmmi
• Software Development
• Css
• Web Development
• Microsoft Sql Server
• Sql
• Finance
• Jquery