Vaishak S
Trivandrum
Summary
Dynamic Data Engineer and Generative AI Specialist with hands-on experience in designing and deploying scalable data pipelines, intelligent chatbot solutions, and advanced business intelligence systems. Proficient in AWS services (Lambda, Glue ETL, RDS, S3, Athena, Kinesis, EC2, EventBridge, Bedrock), Python, and modern ML/AI frameworks. Developed GenBI platforms converting natural language to SQL using RAG and LLMs, enabling real-time insights with interactive visualizations. Built AI-powered chatbots to automate customer query resolution and device management, improving operational efficiency and user engagement. Adept at integrating APIs, securing infrastructure, and delivering data-driven solutions that drive measurable business impact.
Overview
2
2
years of professional experience
1
1
Certification
Work History
Engineer
Tata Elxsi Ltd
09.2023 - Current
- Engineered and deployed scalable data pipelines using AWS (Lambda, Glue ETL, RDS, S3, Athena, EC2, EventBridge, Kinesis), reducing data processing time and ensuring reliability. Automated infrastructure with CloudFormation and strengthened security through granular IAM policies.
- Designed and launched a GenBI platform that converts natural language into SQL using AWS Bedrock embeddings and LLMs with RAG, enhancing business intelligence capabilities and enabling interactive chart-based insights for faster decision-making.
- Built AI-powered chatbots to automate customer query resolution and remotely manage Android STB devices, cutting down support response times. Leveraged Python, AWS Lambda, OpenAPI schema, and AWS Bedrock AI agents with Knowledge Bases and Guardrails to ensure accuracy and compliance.
Freelancer
Individual Clients
Remote
02.2025 - 03.2025
- Developed a chatbot utilizing the OpenAI model to inform users of credit card benefits. Used the scraping tool, Firecrawl, to crawl data in a structured format.
- Implemented retrieval-augmented generation (RAG) techniques for enhanced information accuracy.
- API integration using FastAPI for efficient deployment and seamless user interaction.
Education
PG Certificate Program - Data Science and Artificial Intelligence
IIT Roorkee & CloudxLab
Remote04-2025
AWS Certification - Artificial Intelligence
AWS AI Practitioners
Remote01-2025
B.TECH - Computer Science
Sree Chitra Thirunal College of Engineering
Pappanamcode, Thiruvananthapuram06-2023
Higher Secondary Education - Computer Science
St. Antony's Public School
Anakkal, Kanjirappally05-2019
Secondary Education - Computer Science
Sarvodaya Vidyalaya
Nalanchira, Thiruvananthapuram04-2017
Skills
- Python programming
- AWS glue ETL management
- PostgreSQL and Docker
- Machine learning frameworks
- Data preprocessing and augmentation
- Feature engineering and selection
- Model evaluation techniques
- Deep learning methodologies
- Neural networks and architectures
- Data visualization strategies
- Information retrieval systems
- Chatbot development and automation
- Project management skills
- Data pipeline development
- AWS services
Additional Knowledge
- Python developer
- PostgreSQL
- Docker
- Opensearch VectorDB
- RAG mechanism
- Prompt engineering
- AWS Bedrock (for LLM and embedding models)
- Langchain Framework
- Classification
- Regression
- Decision trees
- SVMs
- Ensemble learning with hands-on experience
- AdaBoost
- XGBoost
- Data preprocessing
- Data Augmentation
- Feature selection and feature scaling using Scikit-learn packages
- Hyperparameter tuning
- Regularisation
- Dimensionality reduction techniques
- Keras
- TensorFlow for neural networks
- CNN
- RNN
Personal Information
- Age: 24
- Hobbies: outdoor sports
- Date of birth: 05/30/2001
- Gender: Male
- Marital status: unmarried
Languages
Malayalam
First Language
English
Proficient (C2)
C2
Extracurricular Activities
National Service Scheme Computer Society of India
References
References available upon request.
Certification
- AWS AI Practitioners
- Post Graduate Certificate Program in Data Science and AI by IIT Roorkee and CloudxLab
Timeline
Freelancer
Individual Clients
02.2025 - 03.2025
Engineer
Tata Elxsi Ltd
09.2023 - Current
PG Certificate Program - Data Science and Artificial Intelligence
IIT Roorkee & CloudxLab
AWS Certification - Artificial Intelligence
AWS AI Practitioners
B.TECH - Computer Science
Sree Chitra Thirunal College of Engineering
Higher Secondary Education - Computer Science
St. Antony's Public School
Secondary Education - Computer Science
Sarvodaya Vidyalaya
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