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sinakeynejad/README.md

Sina Keynejad

Electrical Engineering Student | Backend Developer

Electrical Engineering student at K. N. Toosi University of Technology, focused on backend development, AI systems, and software engineering.

I primarily work with Python and C, building backend services, AI-powered applications, and systems that combine software engineering with practical problem solving.

My current focus is on backend architecture, databases, LLM applications, Retrieval-Augmented Generation, AI agents, and understanding software systems beyond the application layer.


About Me

  • Electrical Engineering student at K. N. Toosi University of Technology
  • Backend development primarily with Python and FastAPI
  • Experience building Retrieval-Augmented Generation systems
  • Working with LLM integration, embeddings, vector databases, and retrieval systems
  • Interested in AI agents, tool calling, and system automation
  • Experience with C, pointers, dynamic memory, data structures, and file I/O
  • Working with relational databases using SQL and T-SQL
  • Currently learning PostgreSQL and relational database systems
  • Familiar with containerization and development environments using Docker
  • Experience with Arduino and basic embedded systems development
  • Interested in software architecture and building complete systems rather than isolated scripts

Tech Stack

Languages

Python C SQL T-SQL JavaScript

Backend

FastAPI Pydantic REST API

AI & LLM Systems

RAG LLM Ollama ChromaDB Embeddings Vector_Search Hybrid_Search Tool_Calling

Database & Infrastructure

Microsoft SQL Server PostgreSQL T-SQL ChromaDB Docker

Hardware & Embedded

Arduino

Development Tools

Git GitHub VS Code Postman


Current Focus

I'm currently expanding my knowledge in several areas of software engineering and AI:

  • Backend architecture and API design
  • Relational database design
  • PostgreSQL
  • SQL and T-SQL
  • Docker and containerized development
  • LLM application architecture
  • Retrieval-Augmented Generation
  • AI agents and tool-calling systems
  • Software architecture and modular system design
  • Integration between AI models and real-world applications

Engineering Interests

My interests extend beyond a single technology or field. I'm particularly interested in systems where different areas of engineering meet:

Backend Engineering · Artificial Intelligence · LLM Systems · AI Agents · Databases · System Design · Electrical Engineering · Embedded Systems · Low-Level Programming


GitHub

Most of my work revolves around learning through implementation and building progressively more complete systems.

You can find my repositories and development work here:

GitHub


Development

Primary Language    Python
Systems Language    C
Backend             FastAPI
Validation          Pydantic
Relational DB       SQL Server / T-SQL
Learning DB         PostgreSQL
Vector DB           ChromaDB
AI Systems          RAG / LLM / Tool Calling
Infrastructure      Docker
Embedded            Arduino
Version Control     Git / GitHub

Interested in building systems that combine software engineering, artificial intelligence, and engineering fundamentals.

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