Bhesh Raj Thapa

Contract backend developer role focused on tunneling solutions to expose local applications to the internet with security and scalability. Configured FRP server with Nginx reverse proxy for Home Assistant application. Integrated load balancers to enhance scalability and ensure WebSocket support during tunneling requests. Implemented cloud CDN and optimized browser performance using Google Cloud CDN and AWS Cloudfront. Created Auto Scaling Groups within EC2 instances to support scaling needs.

Focused on backend development using modern cloud and AI technologies. Engaged in building scalable, performant systems using Google Cloud (Vertex AI, BigQuery) and advanced protocols such as A2A/MCP in multi-agent document analysis. Handled large files uploads efficiently with chunking into cloud storage. Applied security measures including implementing E2EE with quantum key distribution concepts in Jitsi. Automated AWS infrastructure provisioning with Terraform for services like EC2, RDS, Route 53, SQS, IAM, and optimized load balancing. Developed and deployed websocket-based applications. Contributed to founding and maintaining a sustainable SaaS product. Worked extensively on prompt engineering and LLM integration for astrological question answering. Developed browser push notification systems with Firebase Cloud Messaging. Leveraged serverless architecture on Azure to deliver fast and responsive user experiences.

Worked closely with AI and cloud-based technologies, including the development of a Retrieval Augmented Generation (RAG) system using Agent Development Kit, Vertex AI, Vector Search, and Big Query. Improved search query performance by 75% using tsvector and GIN indexing in PostgreSQL. Handled document categorization into predefined categories using ADK and Gemini Models. Developed a multi-agent system handling document analyzation leveraging A2A protocol/MCP. Managed large file uploads using file chunking to cloud storage boosting performance by 40%. Implemented End-to-End Encryption (E2EE) in Jitsi with custom encryption keys, completing a Quantum Key Distribution System proof of concept. Extensively worked with Terraform for AWS resource setup including EC2, RDS, Route 53, SQS, IAM. Configured AWS Load Balancer to improve backend service traffic management, increasing resource utilization by 40%. Led a diverse engineering team, managing system design, client calls, and fostering team