Software Engineer | Full Stack

Hi, I'm
Sumedh Sangle

I am a
Backend Engineer

I care about backend systems that are boring in the best way: stable, scalable, and easy to reason about.

Pune, Maharashtra
Sumedh Sangle

About Me

A glimpse into my journey, education, and the technical arsenal I use to build digital products.

Who am I?

Full-stack software engineer with a backend-first approach, focused on building reliable, data-driven web applications. Final-year B.E. Computer Engineering student (CGPA 8.86), currently interning at Gryphon Academy and working on system design, backend APIs, and production features.

Education

B.E. Computer Engineering

Indira College of Engineering

CGPA8.86

Frontend & Design

React.jsReact.js
Next.jsNext.js
TailwindTailwind
JavaScriptJavaScript
ZustandZustand
HTML5HTML5
CSS3CSS3

Backend & Cloud

Node.jsNode.js
ExpressExpress
AppwriteAppwrite
AWSAWS
CloudinaryCloudinary

Database

MongoDBMongoDB
PostgreSQLPostgreSQL
MySQLMySQL
DatabricksDatabricks

Core & Tools

JavaJava
C++C++
PythonPython
GitGit
VS CodeVS Code

Certifications & Extra

Full Stack DevelopmentJIRAGit & GitHubResponsive Web DesignJapanese Language

Work Experience

My professional journey in building scalable software solutions.

Scroll Indicator
Gryphon Academy Pvt Ltd
Sept 2025 - Present

Software Developer Intern

Baner, Pune
  • Designed and implemented a role-based leaving certificate generation system with approval workflows, enforcing strict access isolation between students, admins, and superadmins.
  • Built the backend for an online testing platform supporting 1,000+ concurrent students, handling MCQ and subjective responses with a focus on write scalability and data reliability.
  • Contributed to a CRM budget management module by implementing backend workflows for budget tracking, vendor records, and purchase order handling across departments.
Node.jsRBACSystem DesignBackend APIs
codeXslinger
Jan 2025 - July 2025

Full Stack Developer

Pune, Maharashtra
  • Designed and implemented RESTful APIs to support application workflows, focusing on clean data contracts and reliable data flow.
  • Built and maintained backend services using Node.js and MongoDB, working with modular application structure.
  • Collaborated on full-stack features using React.js and Next.js, ensuring consistency between frontend and backend logic.
Node.jsMongoDBREST APIsNext.js

Selected Works

A selection of production systems and engineering-focused projects I’ve worked on.

Enterprise & Internship

Focus: Backend architecture & data consistency
Enterprise Testing Platform
Internship @ Gryphon Academy

Enterprise Testing Platform

An online examination system built to handle burst traffic during exam windows, with a backend optimized for write-heavy workloads and consistent data persistence.

Key Engineering
  • Handled 1,000+ concurrent users during peak exam windows.
  • Optimized write-heavy workloads for subjective & MCQ responses.
  • Designed backend workflows to guarantee write consistency for exam submissions under concurrent load.
Rest APINextJsFirebaseMongoDB
Certificate Issuance System
Internship @ Gryphon Academy

Certificate Issuance System

A secure, role-based automated workflow for generating and verifying student credentials.

Key Engineering
  • Implemented strict RBAC for Students, Admins, and Superadmins.
  • Automated approval pipelines reducing manual verification time.
  • Generated tamper-proof PDF credentials dynamically.
ReactJsWorkflow AutomationPuppeteerAWS S3AWS RDSexpress.js
CRM: Financial Budget Module
Internship @ Gryphon Academy

CRM: Financial Budget Module

A financial oversight module ensuring data consistency across departmental expenditures.

Key Engineering
  • Digitized Purchase Order (PO) workflows for vendor management.
  • Enforced atomic transactions to ensure budget data integrity.
  • Real-time tracking of utilized vs. allocated funds.
ReactFirebaseFinancial Logic

System Design & Open Source

Full Stack Social

DebugDen Q&A Platform

A developer community platform featuring reputation systems and AI-assisted answers.

Modeled complex relational data (Questions -> Answers -> Comments).
Implemented reputation-based voting logic similar to StackOverflow.
Integrated AI for automated answer suggestions.
Next.jsAppwriteZustandTailwind
Visit Project
Security & DevOps

NextJS Secure Auth Template

A production-ready authentication boilerplate implementing industry standard security patterns.

Implemented robust JWT Access/Refresh token rotation.
Designed secure session persistence and protected route barriers.
Reusable modular architecture for rapid SaaS deployment.
JWT Access/Refresh TokensSession PersistenceRoute ProtectionSecurity Patterns
Loading testimonials...

Let's build something
extraordinary.

Have an idea? I'm always open to discussing new projects, creative visions, or opportunities to be part of your team.

Email

sanglesumedh15@gmail.com

Base

Pune, Maharashtra

Send a message