Girisangar J

Girisangar J

Backend Engineer | Spring Boot | Go

Interested in backend systems, authentication, APIs, real-time infrastructure, and DevOps.

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Contact

girisangar.tech
Aruppukottai, Tamil Nadu

Stack

JavaPythonGoJavaScriptTypeScriptC++Spring BootSpring SecurityReactAngularNext.jsTailwindWeb3.jsGitPostgreSQLMongoDBREST APIsJWTOAuth2DockerCI/CDVercelRenderKoyebROS

Education

B.E in Computer Science and Engineering

KPR Institute of Engineering and Technology

2023 - 2027

About

B.Tech CS student with a backend-first mindset, focused on building secure APIs, authentication flows, and scalable services with Spring Boot and Go. I stay comfortable across the full stack when needed, and I am currently learning DevOps to deepen my understanding of deployment, infrastructure, and operational reliability.

Experience

Angular Intern

Sep 2025 - Nov 2025

Infosys Springboard

  • Developing a web-based Kanban task manager in Angular with drag-and-drop functionality using Angular CDK.
  • Implementing task creation, editing, deletion, and column management with persistent storage via LocalStorage.
  • Building a responsive UI with real-time task reordering to improve productivity and workflow visualization.

Network Intern

Jan 2023 - Apr 2023

CISCO

  • Designed and implemented three enterprise network schemas utilizing Cisco Packet Tracer, integrating VLANs and five distinct security protocols.
  • Optimized network performance by 40% through strategic router and firewall configuration.
  • Presented innovative network designs praised for security and efficiency balance.

Projects

Spring JWT

Spring Boot 3 and Spring Security 6 backend with JWT authentication, role-based authorization, PostgreSQL persistence, Dockerized infrastructure, and CI/CD-ready deployment.

GitHub

Spring OAuth2

Spring Boot 4 OAuth2 login app with Google and GitHub sign-in, Spring Security, and PostgreSQL-backed user profile persistence.

GitHub

Trivia Hawk

Real-time multiplayer trivia platform built as a Turborepo with Next.js 16, a Hono API, Bun WebSocket game engine, and Prisma/PostgreSQL score persistence.

GitHub

EventSnap

AI event photo retrieval platform with a NestJS backend, React frontend, Python worker, S3 uploads, BullMQ queues, and pgvector-powered face matching.

GitHub

Achievements

e-Yantra Robotics Competition - IIT Bombay

2024 - 25

3rd Prize out of 532 teams in a 6-month national competition.

Built an autonomous agricultural drone for precision farming under the Krishi Drone theme.