Kaushik Ranjan Sinha

Associate @ Cognizant | Data Engineer | Python | PySpark | Azure | Databricks | SQL | IDMC

Bengaluru, Karnataka, India

About

Data Engineer with expertise in ETL development, data pipeline architecture, and cloud-based big data solutions. Skilled in Informatica PowerCenter, IICS, Apache Spark, AWS Redshift, SQL, and Databricks, with hands-on experience in data integration, transformation, quality assurance, and automation. Proven track record in designing, building, and optimizing scalable ETL pipelines, improving processing performance by up to 30%, and ensuring 99%+ data accuracy through robust validation frameworks. Adept at performance tuning, data modeling, and process automation to deliver business-critical insights across data warehousing and analytics platforms. Experienced in Agile/Scrum methodologies, collaborating with cross-functional teams to deliver enterprise-scale solutions on cloud and on-premise environments. Certified in Databricks Fundamentals and Microsoft Azure Fundamentals. Key Skills: ETL Development, Data Engineering, Apache Spark, AWS, Redshift, SQL, PL/SQL, Snowflake, Databricks, Data Warehousing, Data Quality, Data Governance, Real-Time Data Processing, Automation, Performance Tuning, Agile/Scrum.

Experience

  • Cognizant ()
    • Associate
      Mar 2025 - Present · 1 yr 5 mos

    • Programming Analyst
      Jun 2023 - Mar 2025 · 1 yr 10 mos

    • Programmer Analyst Trainee
      Jun 2022 - Jun 2023 · 1 yr 1 mo

  • Web Developer at 1Stop.ai
    Sep 2021 - Nov 2021 · 3 mos

  • Summer Intern at BIHAR STATE ROAD DEVELOPMENT CORPORATION LIMITED
    Jul 2021 - Aug 2021 · 2 mos

  • Web Developer at Bijali gaadi pvt.ltd
    Jan 2021 - Mar 2021 · 3 mos

    I have fully designed and develop the Website. Through out my internship journey I had a great opportunity to learn more about the Web development as well as sales and marketing.