Mayuresh Patil

About Mayuresh Patil

Data Engineer with 3+ years of experience designing and optimizing scalable, production-grade data pipelines using PySpark, Apache Spark, and Apache Iceberg. Began my career at Cognizant, delivering large-scale Big Data integration solutions for a leading Life Sciences client, with a strong focus on performance, reliability, and automation. Alongside technical delivery, I have demonstrated leadership and communication skills by driving internal initiatives and cross-team collaboration. Recognized with multiple Cognizant Cheers awards for translating complex business requirements into effective, scalable data solutions and delivering projects on time:• Working with Big Data & Cloud platforms including Databricks, Cloudera, Hadoop, YARN, and AWS S3.• Designing and building scalable ETL pipelines, data warehousing solutions, and data models.• Developing and processing large-scale datasets using PySpark, Python, SQL, and Spark SQL.• Optimizing Spark jobs through performance tuning and query optimization techniques.• Collaborating effectively using tools such as Git, Hive, and JIRA. Open to connecting and discussing data engineering opportunities and challenges. Email : p••••••••@gmail.com : Databricks Certified Data Engineer Associate Microsoft Certified: Azure Fundamentals AWS Certified Cloud Practitioner

Experience

1. Programming Analyst

   Cognizant

   Aug 2024 — Present · Pune, IN

   Designed and implemented scalable TL- and ATL-layer data models using PySpark and Apache Iceberg to support high-volume, optimized data transformations.Improved analytical query performance by 30%+ by optimizing Apache Iceberg tables using compaction strategies, snapshot lifecycle management, and hidden partitioning.Developed dynamic outbound data integration pipelines enabling transactional Salesforce object synchronization through secure API-based inserts and updates.Delivered modular, reusable ETL/ELT pipelines with a strong focus on performance, maintainability, and scalability across data layers.Supported enterprise-level data platform modernization by automating outbound dataflows and enforcing governance and standardization.

Education

• New polytechnic kolhapur

  Diploma , Electronic & Telecommunication

• D. Y. Patil College of Engineering & Technology, KASABA BAWADA (DYPCET)

  Bachelor of Technology - BTech, Electronics and Telecommunication