Mahendranath V K
@user.2460803
Data Engineer at Tata Consultancy Services
Chennai, Tamil Nadu
Results-driven Data Engineer with almost 3 years of experience in designing and optimizing large-scale data pipelines and analytics solutions. Adept at designing, developing and maintaining Data Stores including Databases, Data Warehouses and Data Lakes. Proficient in Python and PySpark, skilled in AWS cloud services and big data technologies including Apache Hadoop, Spark, Sqoop and Hive.
Experience
Data Engineer
Tata Consultancy Services
Designed and developed multiple Data Pipeline Architectures (ETL/ELT) leveraging AWS EMR, Glue and Lambda. Reduced ETL processing time by 35%. Optimized data models reducing storage consumption by 25% and improving query performance by 35%. Enhanced Athena queries reducing runtime by 40% and cutting data scanning costs by 30%. Transitioned ETL jobs from EMR to Lambda achieving 50% cost reduction. Achieved 95% code coverage with Pytest. Productionized a Deep Learning Neural Network scoring algorithm for 610K associates. Patent filed with Govt. of India.
Education
SRM Institute of Science and Technology
Bachelor of Technology
Computer Science Engineering
AVMR Matriculation Higher Secondary School
HSC
Licenses & Certifications
AWS Certified Data Engineer Associate
Amazon Web Services