K Narayana
Big Data Engineer| Databricks certified Data Engineer Associate
- Role
- Senior System Engineer Big Data Engineer at Infosys
- Location
- Bengaluru, KA, IN
- LinkedIn followers
- 500 followers
About K Narayana
An IT professional with 4+ years of total experience. Big Data Analyst with proven track of ability to deliver actionable insights, enhance reporting efficiency by 20%, and drive data-driven decision-making. Experienced in Bigdata Tools, SQL, Microsoft Power BI, Advanced Excel, and basic Python, with a strong track record of crafting complex SQL queries, developing interactive Power BI dashboards, and applying DAX for in-depth reporting.
Experience
Senior System Engineer Big Data Engineer
Jan 2022 — Present · Hyderabad, IN
Optimized data retrieval by 40% using Spark-SQL to process 2 million transactional records in a Data Lake. • Utilized PySpark and Data Frame APIs for efficient data transformation, aggregation, and ETL workflows. • Automated Spark job execution, improving efficiency by 30% through enhanced scheduling and proactive monitoring. • Designed and built batch & streaming data pipelines, ensuring seamless data processing in large-scale environments. • Engineered distributed and parallel architectures for scalable data warehouse solutions. • Performed comprehensive exploratory data analysis (EDA) in Databricks, revealing critical patterns that guided targeted marketing strategies and led to a 15% increase in customer engagement rates over three months.• Wrote and optimized SQL and Hive queries for extracting and analyzing sales and customer data. • Developed PySpark scripts for data transformation tasks, including filtering, aggregation, and feature engineering. • Automated Spark job execution using shell scripting and Spark-Submit configurations for streamlined workflows. • Scheduled, monitored, and debugged Spark applications to ensure timely and reliable data processing. • Performed data validation and quality checks, ensuring high accuracy and integrity across datasets. • Partnered with business teams to gather requirements and designed scalable technical solutions aligned with organizational objectives. • Delivered actionable insights that improved operational efficiency and supported data-driven decision-making.
Education
JNTU Anantapur
B. tech
2013 — 2017
JNTUA-SJCET
Postgraduate Degree
2018 — 2021
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