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llsagarll/README.md

👋 Hi, I'm Sagar Singh

Software Engineer | Java | Spring Boot | Backend | Full Stack | AI

Engineer by Profession and Programmer by Passion.

I build scalable backend systems, full-stack applications, microservices, developer tools, and AI-powered applications.

I enjoy solving real-world problems through software and sharing my knowledge with the developer community.


🚀 About Me

  • 💻 Software Engineer focused on backend and full-stack development
  • ☕ Strong focus on Java and Spring Boot
  • 🧩 Experienced with REST APIs and Microservices
  • 🤖 Exploring Generative AI, LLMs, RAG and AI Agents
  • 🐳 Working with Docker and CI/CD
  • ☁️ Exploring cloud and distributed systems
  • 📚 Developer, trainer and technical content creator

🛠️ Tech Stack

Languages

Java

Python

SQL


Backend Development

Spring Boot

Spring Security

Hibernate

Django

Core Backend Skills

  • REST API Development
  • Spring Boot
  • Spring Security
  • JWT Authentication
  • Microservices Architecture
  • API Gateway
  • Service Discovery
  • Event-Driven Architecture
  • JPA / Hibernate
  • Python Backend Development

🤖 AI & Generative AI

Currently exploring modern AI application development:

  • Generative AI
  • Large Language Models
  • Spring AI
  • Prompt Engineering
  • Embeddings
  • Vector Databases
  • Retrieval-Augmented Generation (RAG)
  • AI Agents
  • Tool Calling
  • Streaming AI Responses
  • AI-powered Applications

🗄️ Databases

MySQL

PostgreSQL

MongoDB

Redis

  • MySQL
  • PostgreSQL
  • MongoDB
  • MariaDB
  • Redis
  • JPA / Hibernate
  • Prisma
  • Mongoose

☁️ DevOps & Cloud

Docker

GitHub Actions

AWS

Git

  • Git
  • GitHub
  • GitHub Actions
  • Docker
  • CI/CD
  • Nginx
  • Linux
  • Cloud Deployment

💙 Keep Building. Keep Learning. Keep Sharing.

Code → Build → Learn → Teach → Repeat 🚀

⭐ If you find my repositories useful, consider giving them a star.

@llsagarll's activity is private