Summary
Overview
Work History
Education
Skills
Additional Knowledge
Personal Information
Languages
Extracurricular Activities
References
Websites
Certification
Timeline
Generic
Vaishak S

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
Remote
04-2025

AWS Certification - Artificial Intelligence

AWS AI Practitioners
Remote
01-2025

B.TECH - Computer Science

Sree Chitra Thirunal College of Engineering
Pappanamcode, Thiruvananthapuram
06-2023

Higher Secondary Education - Computer Science

St. Antony's Public School
Anakkal, Kanjirappally
05-2019

Secondary Education - Computer Science

Sarvodaya Vidyalaya
Nalanchira, Thiruvananthapuram
04-2017

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
Vaishak S