Sepehr Kalantari Soltanieh

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© 2026 Sepehr Kalantari Soltanieh

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Full-Stack Web Application (REST API & PostgreSQL)

A full-stack web application with a RESTful API backend connected to a PostgreSQL database, featuring secure CRUD operations.

Designed and built a full-stack application with a REST API backend and a PostgreSQL database. The project covers schema design, secure CRUD operations, and backend logic that manages data flow between client interfaces and the database layer.

Tech Stack

PythonREST APIsPostgreSQL

Features

RESTful API with structured endpoints for CRUD operations
PostgreSQL database with well-designed relational schemas
Secure data handling with input validation and parameterised queries
Backend logic managing data flow between client and database

Challenges

Designing normalised database schemas that remain efficient under real query patterns.
Implementing secure CRUD operations resistant to injection attacks.
Managing data consistency across concurrent client requests.

Learnings

Hands-on database schema design and query optimisation with PostgreSQL.
Best practices for building and securing RESTful API endpoints.
Understanding of request/response lifecycle and backend data-flow architecture.

Links

Sepehr Kalantari Soltanieh