Harisankar Subhash
Kochi
Summary
Big Data Developer with over 4 years of total IT experience at Tata Consultancy Services, specializing in building and maintaining scalable data solutions using Apache Spark, Hadoop, Hive, PySpark, and SQL. Possesses 3 years of hands-on experience delivering Big Data solutions, and 2+ years working with cloud platforms, including AWS and GCP. Proven track record of supporting large-scale data processing and migration initiatives for leading fintech clients, such as American Express and Visa. Strong in data engineering fundamentals, performance optimization, and working in enterprise-grade, high-volume data environments.
Overview
8
8
years of professional experience
1
1
Certification
Work History
Big Data Developer
Tata Consultancy Services
Kochi
11.2021 - Current
- I work at Amex Loyalty, focusing on partner exchange and loyalty gateway applications to enhance American Express's relationships and loyalty initiatives, serving as a channel for reward program data with partners like Air Canada, Amazon, and Morgan Stanley.
- As a member of the Loyalty team, I created and improved data solutions to improve loyalty programs. My position involves moving a big volume of data from one cluster to another as a part of Visa Loyalty Platform Services (VLPS) application upgrades.
- At Tata Consultancy Services, I have successfully contributed to significant projects within the fintech sector, collaborating with industry leaders such as American Express and Visa Inc.
Intern
Keltron Controls
Aroor
06.2018 - 07.2018
- Training in various strategic business groups.
- (1) Control and Instrumentation Group.
- (2)Information Technology and Coastal Security Services Group.
- Completed the Industrial Training Program from the Kerala State Electronics Development Corporation Limited.
Education
Bachelor's - Electronics & Communication Engineering
APJ Abdul Kalam Technological University
Kerala, India06.2021
Skills
- Apache Spark
- Hadoop
- Pyspark
- Python
- Amazon Web Services (AWS)
- Google Cloud Platform (GCP)
- SQL
Certification
• Microsoft Certified: Azure Data Scientist Associate
• Microsoft Certified: Power BI Data Analyst Associate
• Introduction to OpenAI API & ChatGPT API for Developers issued by Udemy
• The Complete Prompt Engineering for AI Bootcamp (2023) issued by Udemy
• Hadoop Administration issued by IBM
• Python Certification issued by Coursera
• Microsoft Certified: Power BI Data Analyst Associate
• Introduction to OpenAI API & ChatGPT API for Developers issued by Udemy
• The Complete Prompt Engineering for AI Bootcamp (2023) issued by Udemy
• Hadoop Administration issued by IBM
• Python Certification issued by Coursera
Accomplishments
- LinkedIn Top Analytical Skills Voice
- American Express appreciation for outstanding performance in the team.
- Achieved 9th position in an International Technical Competition 'Cybathlon Global Edition 2020' Conducted by ETH University Zurich, Switzerland.
- Award for Conducting a Hands-on Workshop on Arduino for Absolute Beginners at Viswajyothi College of Engineering and Technology.
- Winner of Project Expo technical competition at Viswajyothi College of Engineering and Technology Technical Fest.
References
Rita Susan Thomas, Tata Consultancy Services, Quality Manager, rita.thomas1@tcs.com
Languages
English, Bilingual or Proficient (C2)
Timeline
Big Data Developer
Tata Consultancy Services
11.2021 - Current
Intern
Keltron Controls
06.2018 - 07.2018
Bachelor's - Electronics & Communication Engineering
APJ Abdul Kalam Technological University