Saurabh Bhagat

Built and scaled a high-traffic digital marketplace platform supporting payments and product fulfillment.

ROLES AND RESPONSIBILITIES
• Designed microservices using Java and Spring Boot to handle high concurrency and ensure system reliability.
• Implemented event-driven architecture using Kafka and RabbitMQ for asynchronous processing of transactions and order workflows.
• Improved system performance and throughput by 35% through optimization of services and database interactions.
• Developed secure and reliable payment integrations with external providers while ensuring fault tolerance and retry mechanisms.
• Enabled zero-downtime deployments and high availability using cloud-native architecture and containerized services.
• Collaborated with cross-functional teams to deliver scalable features, improve system observability, and enhance overall platform stability.

Built an AI-powered chatbot using retrieval-augmented generation (RAG) to deliver context-aware responses from custom datasets.

ROLES AND RESPONSIBILITIES
• Designed data ingestion pipelines with chunking and embedding generation using Sentence Transformers, enabling efficient semantic search over large documents.
• Integrated LLMs for answer generation with strict context grounding to avoid hallucinations.
• Developed scalable back-end APIs to handle user queries, retrieval, and response orchestration with low latency.
• Optimized performance by implementing caching and efficient vector search, improving response accuracy and speed.
• Deployed the system with a focus on cost optimization using lightweight/local models where applicable.
• Collaborated on integrating the chatbot into web interfaces, enhancing user engagement and enabling intelligent query handling for domain-specific use cases.