Viksitha Dirisana
I am a Senior Data Engineer dedicated to architecting and implementing robust data solutions with a meticulous and logical approach. My commitment to mastery drives me to build reliable, pragmatic systems, ensuring precision and excellence in every aspect of data engineering.
Experience
Senior Data Engineer
ZS · Oct 2025 – Present
Data Engineer
Tata Consultancy Services · Jul 2021 – Present
- I am a skilled and dedicated data engineer with over three years of experience in IT, specializing in ETL, Data Warehousing, Data Lakes, and Business Intelligence.
- My expertise includes SQL, Informatica Powercenter, Snowflake, and DBT, showcasing my ability to manage projects independently or work collaboratively in teams.
- I am committed to enhancing data processing and modelling techniques to deliver high-quality solutions
Data Engineer
Tata Consultancy Services · Jul 2021 – Jul 2025
- Successfully migrated all legacy transformations and data to Snowflake and DBT with minimal downtime
- Migrated over 3 million records from Netezza to Snowflake with zero data loss and ensured full validation across policy, claims, and billing datasets
- Improved query and load performance by 40% through warehouse sizing, clustering, and ELT optimization
- Achieved 25% reduction in compute cost via optimized Snowflake warehouse management
- Implemented role-based access control and masking policies in Snowflake to enhance data security and compliance
- Successfully migrated 50+ ETL workflows from Informatica PowerCenter to DBT, enabling modular ELT architecture and reducing maintenance efforts by 50%
- Integrated testing, documentation, and version control using DBT and Git, improving pipeline reliability
Skills 0 proven through work
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Education
Bachelor of Technology, Computer Science and Engineering
Velagapudi Ramakrishna Siddhartha Engineering College · 2017 — 2021
Contact details
Contact details
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What drives their work
The Architect
You design foundational data systems that scale and endure.
Viksitha's superpower
You build highly reliable and performant data architectures that empower real-time, data-driven decisions.
How Viksitha works
You excel in roles that require designing, building, and optimizing robust data platforms and pipelines for high performance and scalability.
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