Arko Sengupta

Technical Responsibilities • Architected And Deployed An Emotionally-Aware AI Voice Assistant Using RAG + LLM Capable Of Contextual, Empathetic, And Goal-Driven Conversations. • Designed Conversational Workflows Enabling Reminder Scheduling, Health Coaching, Activity Monitoring, And Real-Time Web Search Within A Unified AI System. • Implemented Advanced NLP-Based Emotion Detection Pipeline Achieving 95% Classification Accuracy Across Multi-Intent Conversations. • Enhanced User Engagement And Retention By 80% Through Personalized And Adaptive Conversational Intelligence. • Engineered Low-Latency Real-Time Voice Streaming Architecture Using LiveKit Integrated With Groq Cloud For High-Speed Inference. • Optimized Streaming And Inference Pipeline To Reduce Response Latency By 60%, Significantly Improving Conversational Fluidity. • Built On-The-Fly Speech Processing System Supporting Real-Time Transcription, Reasoning, And Response Generation. • Designed And Implemented High-Performance Retrieval-Augmented Generation (RAG) Pipeline Using LlamaIndex For Contextual Knowledge Retrieval. • Configured Qdrant With HNSW Indexing For Scalable And Efficient Semantic Vector Search Across Domain-Specific Health Knowledge Bases. • Reduced Query Retrieval Latency By 55% And Improved Answer Contextual Relevance By 40% Through Optimized Embedding And Indexing Strategies. • Deployed Containerized Microservices Architecture On AWS EKS Ensuring Horizontal Scalability And Production Reliability. • Built Robust CI/CD Pipelines Via Azure DevOps Enabling Automated Builds, Testing, Containerization, And Zero-Downtime Deployments. • Increased Deployment Efficiency By 70% And Maintained 99.3% Service Uptime Through Proactive Monitoring And Scaling Strategies. • Implemented AWS SQS-Based Event-Driven Architecture For Real-Time Reminder Triggers And Notification Execution. • Achieved 100% Scheduled Task Delivery Reliability While Improving Overall System Responsiveness By 45%.

Technical Responsibilities • Used GitHub CI/CD for Automated Machine Learning Pipelines and GCP Services for Complete ML Workflow Management. • Managed User Data with Cloud SQL, Training Data in Cloud Storage, and Model Deployment through Cloud Functions. • Set Up Scheduled Model Training Using Cron Services and Real-Time Data Updates with Pub/Sub Messaging. • Implemented Model Performance Monitoring Through Cloud Logging to Track Accuracy and System Health. • Secured Cloud SQL Database Using IAM Roles and Policies for Safe User Data Access Control. • Protected Sensitive Health Data with Cloud Data Loss Prevention (DLP) API and Encrypted Model Weights for Algorithm Security. • Managed Cloud SQL and Cloud Storage Services with Data Normalization and Column Indexing for Better Performance. • Implemented Model Versioning Through Custom Directory Paths to Track Different Model Versions and Updates. • Developed ML Models Including Logistic Regression, Decision Trees, Random Forest, and Support Vector Machines. • Built Health Diagnostic System that Analyzes User Health Features to Provide Medical Insights and Recommendations. • Created Batch Data Processing Pipeline to Move Data from Cloud SQL to Cloud Storage for Model Training. • Developed Model Evaluation Pipeline Using Various Metrics with Cloud Logging Integration and Pub/Sub Alert System. • Built Retrieval-Augmented Generation Pipeline Using OpenAI's gpt-4o & gpt-4o-mini Models for Health Descriptions. • Created System that Generates Personalized Diet Charts Based on Health Diagnostics and Finds Nearby Doctors for Appointments. • Integrated All ML Components into Chatbot System to Help Users with Health Questions and Medical Guidance. • Delivered Complete Healthcare AI Solution that Combines Diagnostics, Recommendations, and Doctor Appointment Booking.

Technical Responsibilities • Used GitLab CI/CD for Automatic Code Deployment and Kubernetes GKE to Manage Virtual Machines Running ArgoCD. • Set Up Scheduled Pipeline Execution Using ArgoCD for Regular Data Processing Tasks and System Updates. • Integrated AWS Elasticsearch for Fast Data Search Capabilities and AWS S3 for Secure Data Storage Solutions. • Connected Both Services to Work Together for Efficient Data Storage, Retrieval, and Search Operations. • Secured Data Transfers Between AWS S3 and Elasticsearch Using TLS Encryption and IAM Security Policies. • Configured VPC Networks and Endpoints to Keep All Data Traffic Within Secure AWS Network Environment. • Managed AWS S3 and Elasticsearch Services with Data De-Duplication Techniques to Save Storage Space. • Improved Search Performance by Removing Duplicate Data and Organizing Information for Faster Access. • Built 50+ ETL Pipelines to Extract Historical Data for Projects, Tenders, and Procurement Information. • Created 15+ Additional Pipelines for Time Series Data Analysis Covering Geographic Insights Across Multiple Locations. • Used BERT and RoBERTa AI Models to Detect Changes and Patterns in Historical Data Sets. • Applied ETS and LSTM Models for Time Series Analysis to Identify Trends and Anomalies in Data Over Time. • Integrated GPT-3.5 and GPT-4 Language Models into ETL Pipelines for Advanced Text Analysis. • Used These AI Models to Extract and Analyze Information from Large Volumes of News Articles and Documents.

Managerial Responsibilities • Built Technical Community on Campus with Active Student Members Interested in Technology and Programming. • Created Networking Opportunities Between Students and Industry Professionals for Knowledge Sharing and Career Guidance. • Organized Tech Events, Workshops, and Hackathons to Improve Students' Technical Skills and Knowledge. • Successfully Promoted TechGig Platform Through These Events and Increased Student Participation in Coding Activities. • Worked with Industry Professionals and TechGig Team to Bring Real-World Insights to Campus Community. • Arranged Guest Lectures, Internship Opportunities, and Career Guidance Sessions for Students. • Developed Project Management, Communication, and Leadership Skills Through Campus Ambassador Activities. • Gained Experience in Team Coordination, Event Planning, and Public Speaking While Promoting Technology Innovation. • Encouraged Students to Participate in Coding Competitions and Technical Challenges on TechGig Platform. • Helped Students Improve Their Programming Skills and Prepare for Technical Job Interviews and Placements.

Technical Responsibilities • Built Three Single-Page Applications Using React, Bootstrap, and React-Bootstrap for Different Client Needs. • Created Modular Component Structure that Reduced Development Time by 30% and Made Code Easy to Maintain. • Developed Custom CSS Solutions to Make Applications Work on Desktop, Tablet, and Mobile Devices. • Ensured Consistent Look and Feel Across All Screen Sizes with 100% Responsive Design Coverage. • Improved Application Speed Through Efficient Component Management and State Handling Techniques. • Achieved Faster Loading Times and Better User Experience with Optimized Code Structure. • Created Shared Component Library that Could be Used Across All Three Applications. • Standardized UI Elements Like Buttons, Forms, and Navigation to Speed Up Future Development Work. • Focused on Simple Navigation and Clean Interface Design for Easy Application Use.

Technical Responsibilities • Built User Interface Using React, React-Bootstrap, and JavaScript for Easy-to-Use Banking Experience. • Designed Responsive Layout that Works on Desktop and Mobile Devices with Clean and Simple Navigation. • Developed REST APIs Using FastAPI for Real-Time Data Processing and Smooth Client-Server Communication. • Created Secure Endpoints for All Banking Operations Including User Registration, Login, and Transaction Management etc. • Set Up MySQL Database with MySQL Workbench for Safe Storage and Fast Retrieval of Banking Information. • Designed Database Tables for Users, Accounts, Transactions, and Implemented Proper Relationships Between Data. • Implemented User Authentication, Data Encryption, and Input Validation to Protect Financial Information. • Added Password Hashing, JWT Tokens for Session Management, and SQL Injection Prevention for Safe Banking. • Added Account Management, Money Transfers, Balance Checking, and Transaction History Tracking Functionality. • Built End-to-End Banking System with Deposit, Withdrawal, Fund Transfer, and Account Statement Generation Features.

Managerial Responsibilities • Mentored New Participants Throughout Google Cloud Ready Facilitator Program, Achieving 100% Program Completion Rate. • Resolved Technical Doubts and Learning Challenges Through Regular Check-Ins and Personalized Support Sessions. • Guided Participants Toward Google Cloud Certification (ACE) Preparation, Improving Their Job Prospects in Cloud Computing Roles. Technical Responsibilities • Administered Cloud Infrastructure Training on Compute Engine, App Engine, VPC Networking, Load Balancing, and Kubernetes Engine Deployments. • Delivered DevOps Essentials Training Including Cloud Build, Cloud Deploy, Infrastructure as Code, and Google Cloud Operations Suite Implementation. • Conducted Big Data & ML Labs on BigQuery Analytics, TensorFlow Model Training, ML APIs Integration, and AutoML Solutions. • Implemented Security Fundamentals Training on IAM Policies, Cloud Logging, Identity Management, and Security Command Center Configuration. • Guided Hands-On Labs for Cloud Storage, Cloud SQL, Cloud Functions, and API Gateway Implementations. • Managed Cost Optimization Training Using Cloud Billing APIs, Resource Monitoring, and Budget Alert Configurations.