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Competitve Coding | Backend Development | Devops

Hi, I'm Charchit Gangwar

Engineering Integrated and Automated Solutions for Modern, Scalable Applications.

About ME

Code & Dev

I have worked in a fast-paced startup environment at Workik, I engineered a multi-platform automation hub that integrated 6 developer tools like GitHub and Jira. I specialize in architecting end-to-end solutions, from designing secure, multi-tenant REST APIs with OAuth 2.0 to building complex workflow automation pipelines.

This hands-on experience extends to my personal projects, where I've built full-stack platforms from the ground up. My work includes architecting a university hub with real-time messaging using Ably and developing a RAG-based analysis tool with LangChain, containerized with Docker for seamless deployment. I leverage a modern tech stack including React, Node.js, and various databases to deliver robust applications.

Charchit Gangwar

Journey & Passion

Driven by a passion for solving complex puzzles, I leverage my strong academic foundation (9.2 CGPA) to build impactful, real-world solutions. I enjoy the entire development lifecycle, from deconstructing a user's problem to architecting an elegant, efficient system. This analytical approach is what fuels my success in competitive programming on platforms like LeetCode and Codeforces.

I'm a firm believer in the power of collaboration and actively contribute to open-source programs like Girl Script Summer of Code. Working within a team to resolve bugs, enhance UX, and achieve shared goals is incredibly rewarding. This blend of focused individual problem-solving and open-minded teamwork defines my approach to creating great software and continuously growing as a developer.

My Projects

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Internship Experience

Software Development Intern

Workik

November 2024 - March 2025

I worked as an SDE Intern, where my responsibility was to develop a multi-platform automation hub that integrates multiple third-party apps like GitHub, GitLab, Bitbucket, Jira, etc., via OAuth, webhooks, and REST APIs. I created an event-driven architecture where a user's action (for example, raising a pull request) triggers a response, such as an auto-merge. I worked closely with a team on this project and later led them. I worked with Python, FastAPI, Node.js, Express.js, REST APIs, webhooks, system integrations, and workflow automation.

Coding and Dev Profiles

GitHub logo
GitHub
GitLab logo
GitLab
LeetCode logo
LeetCode
Codeforces logo
Codeforces
GeeksforGeeks logo
GeeksforGeeks
LinkedIn logo
LinkedIn
X logo
X

Click these to visit my profiles

Clicking hand

Coding Achievements

LeetCode

1,874

Global Rank (Weekly Contest)

out of 24,518 participants | Max Rating: 1771

Codeforces

2,164

Global Rank (Contest)

out of 32,224 participants | Max Rating: 1220

TCS CodeVita

1,232

All-India Rank (Season 12)

out of 500k participants | Also achieved a global rank of 4052 in Season 11

Combined Platforms

1000+

Problems Solved

Across LeetCode and Codeforces

My Technical Skillset

Languages & Frameworks

  • C++C++
  • PythonPython
  • SQLSQL
  • HTML/CSSHTML/CSS
  • React.jsReact.js
  • Node.jsNode.js
  • Express.jsExpress.js
  • FastAPIFastAPI
  • Next.jsNext.js
  • MongoDBMongoDB
  • PostgreSQLPostgreSQL
  • MySQLMySQL

Tools & Platforms

  • GitGit
  • GitHubGitHub
  • DockerDocker
  • AWSAWS
  • OAuthOAuth
  • JWTJWT

Technical & Architectural Skills

System IntegrationWorkflow AutomationEvent-Driven ArchitectureDatabase ManagementObject Oriented Design

Certificates & Recognition