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SNagarjuna07/README.md

About

Integrated MCA student at Amrita Vishwa Vidyapeetham. I don't build demos - I build systems, then find out how they fail under real load, real concurrency, and real network partitions, and fix what I find before anyone else has to. Most recently: a 6-service microservices platform with an AI agent and a native MCP server, benchmarked to ~168,000 requests with zero failures.

Currently deep in resilience engineering, event-driven architecture, and applied AI infra (tool-calling agents, RAG, MCP).

Featured Work

shortlyai - Production-grade distributed URL-shortening platform built as a 6-service Spring Boot microservices system. Kafka SAGA choreography, transactional outbox, dual-layer circuit breakers, full Prometheus/Grafana/Loki/Tempo observability, an AI agent, and a native MCP server.

Performance

k6 Load Test Avg P95 Requests Failures VUs

1,325 req/s · ~7ms average · 16.84ms p95 · 167,966 requests · 0 failures · 200 concurrent users

spring-ai-rag-service · spring-ai-chat-service · spring-ai-task-manager · spring-ai-mcp-server - four separate Spring AI services, each isolating one architectural pattern (streaming chat, scoped tool-calling, RAG, MCP) instead of one monolithic AI demo. All four enforce a human-in-the-loop safety boundary on destructive operations - the AI proposes, it never executes unilaterally.

Food-Waste-Management - Load-tested to 8,000 requests / 100 concurrent users / 0.00% error rate, designed explicitly around cache-outage and async-failure edge cases, not just the happy path.

Stack

Core
Java Spring Boot Spring Cloud Spring Security Eureka

Auth & Security
JWT OAuth2 BCrypt

Data & Messaging
PostgreSQL Liquibase Redis Kafka Dead Letter Queue

Resilience & Observability
Resilience4j ShedLock Prometheus Grafana Loki Tempo OpenTelemetry Micrometer

AI
Spring AI MCP RAG Ollama Groq Tavily

API & Testing
Postman Swagger JUnit 5 Mockito k6

Infra & Tools
Docker Docker Compose GitHub Actions Git

GitHub Stats

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  1. shortlyai shortlyai Public

    Production-grade URL shortener built with Java 25 + Spring Boot (4.1.0) microservices, Redis, Kafka, and Spring AI

    Java 3

  2. spring-ai-mcp-server spring-ai-mcp-server Public

    MCP server exposing task-management tools over the Model Context Protocol using Spring AI 2.0.0. Lets Claude Desktop call and manage real tasks in Postgres directly, with destructive delete deliber…

    Java 1

  3. spring-ai-rag-service spring-ai-rag-service Public

    Retrieval-Augmented Generation service in Spring AI. Upload documents, ask questions, get grounded answers with source citations. Groq for chat, Ollama for embeddings, pgvector for storage.

    Java 1

  4. Food-Waste-Management Food-Waste-Management Public

    A Spring Boot backend for managing food waste donations with JWT authentication, Redis-based rate limiting, MongoDB storage, Kafka notifications, and production-grade configuration using environmen…

    Java 1