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shubhamdagar9854/README.md

Shubham Dagar

Backend-focused full-stack developer building cloud-native microservices, event-driven systems, and AI-integrated backend platforms.

Java Spring Boot Python JavaScript Node.js Express.js Kafka MySQL MongoDB Docker

Current focus

  • Backend and microservices architecture: Java, Spring Boot, Spring Cloud (Gateway, Eureka), Spring Security, Spring Data JPA.
  • Event-driven and resilient systems: Apache Kafka, Resilience4j, and the Saga pattern with compensating transactions.
  • Full-stack development: Node.js, Express.js, REST APIs, JavaScript, HTML5, CSS3.
  • AI-integrated backend features: Google Gemini API, Mistral, and Ollama for local LLM deployment.
  • Open-source contribution to Open-MSS/MSS as part of GSoC 2027 preparation.

Featured repositories

Project What it demonstrates Stack
OrderPulse Full-stack microservices e-commerce order management system — 6 independent services (Gateway, User, Product, Order, Payment, Notification) implementing the Saga pattern with compensating transactions. Java, Spring Boot, Spring Cloud, Kafka, MySQL, Docker, Gemini API
Smart Resume Scanner Full-stack AI resume analysis app with an encrypted admin dashboard, deployed with sub-200ms API response times. Python, Flask, SQLite, JavaScript
Automated Email Logger Modular OAuth 2.0 integration for real-time tracking between Gmail and Google Sheets with duplicate-prevention logic. Node.js, OAuth 2.0, Google APIs
Secure User Authentication System bcrypt-encrypted, session-based login system with account lockout on repeated failures. MERN Stack, Passport.js
Referring Expression & Image Analysis Multi-stage, spatial/attribute-based object-isolation logic for high-density traffic scenes. Visual Data Logic

Technical stack

Languages: Java, Python, JavaScript, HTML5, CSS3

Backend & Microservices: Spring Boot, Spring Cloud (Gateway, Eureka), Spring Security, Spring Data JPA, Node.js, Express.js, REST APIs, Kafka, Resilience4j

Databases & Cloud: MySQL, MongoDB, SQLite, OAuth 2.0, JWT, Docker, Render, Vercel

Tools & DevOps: Git, GitHub, Maven, Spring Actuator, Passport.js, Caffeine Cache

AI / ML: Google Gemini API, Mistral, Ollama (Local LLM Deployment)

Open source

Contributing to Open-MSS/MSS as part of GSoC 2027 preparation — debugging CI pipeline failures in Python geospatial modules (netCDF4tools.py, ogcwms.py) related to class initialization, including cross-platform (Windows/Linux) environment troubleshooting.

Achievements

  • Maintaining a 150+ day GitHub contribution streak.
  • Regular problem-solving on LeetCode with an 84% submission acceptance rate.

Links

GitHub streak

Shubham's GitHub streak

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