{GOWTHAM}

Generative AI Development

• Developed and deployed Retrieval-Augmented Generation (RAG) chatbots using Langchain.js, Llama 3.3 70B, BGE embeddings, and Qdrant vector database, increasing query speed and enhancing natural language understanding.
• Implemented advanced PII masking with Presidio and LLM guardrails to ensure end-to-end data privacy and regulatory compliance for sensitive user information.
• Engineered an AI-driven podcast interviewer leveraging GPT-4, speech-to-text (STT), and text-to-speech (TTS) technologies, boosting user engagement and session duration.

Full Stack & Cloud Engineering

• Architected scalable Node.js microservices and React front-end applications, applying lazy loading and optimizing load times for high-performance user experiences.
• Integrated AWS Cognito for secure user authentication and access management, and automated AWS deployments using CodePipeline, EC2, S3, and CloudWatch for real-time monitoring.
• Strengthened AWS cloud security with IAM policies, encryption, and vulnerability remediation, achieving zero-issue audit results.
• Led Agile feature delivery and sprint management for a cross-functional engineering team, increasing development velocity and code quality.

Tech Stack: Node.js, React, Langchain.js, Llama 3.3 70B, BGE embeddings, Qdrant, Presidio, GPT-4, AWS (Cognito, CodePipeline, EC2, S3, CloudWatch), REST APIs, Docker, Git, Agile

Generative AI Development

• Built GenAI-powered travel app features with RAG chatbot architecture, leveraging LangChain, OpenAI embeddings, cross-encoder reranking, and Amazon Bedrock’s Llama 3.1 70B model for highly relevant itinerary recommendations.
• Enhanced contextual reliability and user personalization using role-based prompt engineering and automated evaluation with LLM-as-a-judge.

Full Stack Development & Data Engineering

• Designed and implemented FastAPI backends for real-time, low-latency data retrieval and contextual audio guides.
• Developed Selenium-based web scrapers and applied DBSCAN clustering for large-scale location data deduplication and consistency.
• Managed secure, scalable cloud storage using AWS RDS and PostgreSQL, optimizing data pipelines for travel content delivery.

Tech Stack: DBSCAN, Fuzzywuzzy, Amazon Bedrock, Llama 3.1 70B, AWS RDS, PostgreSQL, FastAPI, Selenium, LangChain, OpenAI, AWS (EC2, S3, Lambda)

Generative AI Solutions

• Developed a Streamlit chatbot integrated with OpenAI and SQL databases, enabling natural language data queries and automating information retrieval for non-technical staff.

Full Stack Application Development

• Engineered interactive dashboards and Single Page Applications (SPAs) using React, Spring Boot, and Chart.js for enterprise-grade metric visualization and reporting.
• Optimized application performance with lazy loading, Redux state management, and code-splitting, reducing load times and improving scalability.

Cloud Architecture & DevOps

• Architected secure, scalable AWS cloud solutions, integrating EC2, S3, Lambda, RDS, DynamoDB, CloudWatch, and CloudTrail for comprehensive monitoring and logging.
• Orchestrated CI/CD pipelines using Jenkins, Docker, and Kubernetes for automated deployments and infrastructure efficiency.

Backend Engineering & Security

• Developed robust backend services with Node.js, Express.js, and RESTful APIs, implementing OAuth 2.0 and JWT for secure authentication and authorization.
• Improved code quality and reliability through best practices, peer reviews, and automated testing (Jest, Enzyme), reducing production bugs.

Tech Stack: React, Node.js, Express.js, Spring Boot, Chart.js, AWS (EC2, S3, Lambda, RDS, DynamoDB, CloudWatch, CloudTrail), Docker, Kubernetes, Jenkins, OAuth 2.0, JWT, MongoDB, REST APIs, Git, Agile