Harikrishnan K P
Data Engineer @Cognizant | Ex-Infoscion | Impact-Driven Data Engineer | Expert in PySpark, Airflow & Hive | Delivered 85% Faster Reporting & 70% Data Integrity Gains | Turning data into meaningful insights
- Role
- Associate Projects at Cognizant
- Location
- Kochi, KL, IN
- LinkedIn followers
- 500 followers
About Harikrishnan K P
Data engineer at Cognizant
Experience
Associate Projects
Mar 2025 — Present · Kochi, IN
Designing and developing end‑to‑end ETL pipelines using Apache Airflow, PySpark, and Cloudera to ingest and process multi‑source educational data into Hive and Impala tables on AWS S3, improving data accessibility for 100% of university performance reports.° Delivered the Report Maker project, orchestrating ingestion from diverse data sources via Airflow, enabling end‑users to view student performance metrics online without manual SQL queries — reducing report generation time by ~85%.° Identified and created missing tables during a critical migration phase, implementing ingestion workflows that reduced data loss by 70%, ensuring high data integrity and compliance with reporting standards.° Converting complex SQL queries into optimized PySpark code, improving query execution speed by ~40% and enhancing scalability for large‑volume datasets.° Collaborated cross‑functionally with data analysts, stakeholders, and business teams in Agile/Scrum ceremonies to refine requirements, validate data flows, and ensure alignment with business KPIs.° Monitored and optimized workflows using AWS CloudWatch, Hue, and Cloudera Manager, proactively resolving bottlenecks and improving pipeline reliability by ~30%.° Recognized by client for proactive problem‑solving during migration, including identifying critical data gaps and implementing production fixes under tight deadlines.
Education
Ahalia School of Engineering and Technology, Palakkad
B.tech
2017 — 2021
APJ Abdul Kalam Technological University
Bachelor of Technology - BTech
2017 — 2021
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