I am a senior AI and data engineer with 14 years of experience in software engineering. I strive to leverage my expertise in cloud, data, and Generative AI to build scalable, intelligent solutions that modernize legacy systems and enable enterprise AI adoption. I have a proven track record delivering GenAI solutions using OpenAI API, LangChain, RAG, and embeddings; I manage vector and relational databases for high-performance data storage; I design scalable data pipelines using Apache Spark, Hive, Kafka, and Databricks; I also ensure data governance, operational efficiency, and insightful business decisions. I have implemented AI-assisted analysis to automate attribute extraction and support smarter analytics, while enabling governance and auditable workflows across large data ecosystems.

Nadhiya Subashini

I am a senior AI and data engineer with 14 years of experience in software engineering. I strive to leverage my expertise in cloud, data, and Generative AI to build scalable, intelligent solutions that modernize legacy systems and enable enterprise AI adoption. I have a proven track record delivering GenAI solutions using OpenAI API, LangChain, RAG, and embeddings; I manage vector and relational databases for high-performance data storage; I design scalable data pipelines using Apache Spark, Hive, Kafka, and Databricks; I also ensure data governance, operational efficiency, and insightful business decisions. I have implemented AI-assisted analysis to automate attribute extraction and support smarter analytics, while enabling governance and auditable workflows across large data ecosystems.

Available to hire

I am a senior AI and data engineer with 14 years of experience in software engineering. I strive to leverage my expertise in cloud, data, and Generative AI to build scalable, intelligent solutions that modernize legacy systems and enable enterprise AI adoption.

I have a proven track record delivering GenAI solutions using OpenAI API, LangChain, RAG, and embeddings; I manage vector and relational databases for high-performance data storage; I design scalable data pipelines using Apache Spark, Hive, Kafka, and Databricks; I also ensure data governance, operational efficiency, and insightful business decisions. I have implemented AI-assisted analysis to automate attribute extraction and support smarter analytics, while enabling governance and auditable workflows across large data ecosystems.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
See more

Language

English
Fluent
Tamil
Fluent

Work Experience

Gen AI Engineer at Tata Consultancy Services
January 1, 2024 - November 1, 2025
Led design and development of scalable Gen AI solutions using OpenAI API, LangChain, RAG and embeddings to automate attribute analysis and enable intelligent analytics for enterprise data. Managed vector databases and NoSQL/relational DBs to support high-performance data storage. Designed scalable data pipelines with Apache Spark, Hive, Kafka, and Databricks; implemented data validation, derivation, and editability flows; built AI-powered insights for governance and business decision-making. Automated legacy COBOL/CICS program analysis with AI-assisted tooling, and produced dashboards and data exports for stakeholders.
Senior Data Engineer at Tata Consultancy Services
September 1, 2021 - December 1, 2023
Designed and built the Reconciliation Engine to integrate two or more data sources/apps with common functionality for multiple products. Developed a Spark-based data processing engine with minimal code changes for massive data volumes, enabling in-memory computation, fault tolerance, and scalable architecture. Implemented attribute extraction, data reconciliation, derivation, editability, data lineage, and data export; created UI mappings for reconciliation results and integrated data governance. Migrated workloads to Snowflake, built data pipelines with Spark/Hive, and orchestrated with Airflow; implemented data validation and quality checks and basic monitoring for job reliability.
Senior Java Developer / Onsite Lead at Tata Consultancy Services
April 1, 2015 - May 1, 2019
Developed banking/financial services applications for KeyBank with onshore leadership. Built Spring Boot and Spring Batch services, REST web services, and JSP-based front ends; integrated with Oracle/PL-SQL back-ends; implemented logging, monitoring, and UI/web interfaces to support loan origination and servicing workflows.
Senior Java Developer at Tata Consultancy Services
November 1, 2013 - March 1, 2015
Adjustment Modules System development for AIGP (India). Implemented front-end using JSP, ORM mappings with Hibernate, and Oracle back-ends; leveraged WebSphere, J2EE patterns, and PL/SQL to deliver modular enhancements for client relationship management and policy administration.
Senior Java Developer at Tata Consultancy Services
May 1, 2013 - October 1, 2013
Migration project for Indian Hotels from.NET to Java. Built accordion UI with jQuery, defined data objects, and SQL mappings; deployed on IBM WebSphere; participated in end-to-end migration, testing, and cutover activities.
Senior Java Developer at Tata Consultancy Services
June 1, 2011 - April 1, 2013
Buy Online and ECRM modules for ICICI Prudential Life Insurance. Implemented front-end in JSP/HTML, ORM via Hibernate, and Oracle PL/SQL back-end; designed data models, collections, and retention strategies; supported large-scale customer data and policy management workflows.

Education

Bachelor of Technology in Computer Science and Engineering at SASTRA University, Tamil Nadu, India
January 11, 2030 - February 3, 2026

Qualifications

AWS Certified Solutions Architect
January 11, 2030 - February 3, 2026

Industry Experience

Computers & Electronics, Software & Internet, Professional Services