I am Ata Can YAYMACI, a Full-Stack Software Expert and open-source developer passionate about building robust enterprise systems, autonomous AI agent architectures, and hardware-software integration solutions.
My technical focus bridges high-level web & cloud architectures with AI Agent Systems (LangChain, RAG, Prompt Engineering) and IoT ecosystems (ESP32, Microcontrollers, Meshtastic). I continuously push technological boundaries by designing modular, clean, and scalable solutions that bridge software and hardware.
💡 Engineering Mindset: Clean code, minimalist design, and scalable architecture.
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Designing autonomous AI agent workflows, retrieval-augmented generation (RAG) pipelines, system prompt architecture, and enterprise AI security audit frameworks. |
Building scalable web platforms, high-throughput backend APIs, microservices, dynamic content aggregators, and resilient database synchronization engines. |
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Connecting physical hardware with enterprise software through custom microcontrollers, IoT mesh networking (Meshtastic), RESTful hardware adapters, and C++/Python APIs. |
Developing automated data extraction services, multi-source scraping frameworks, concurrent market research search clients, and CLI developer productivity tools. |
Note: The list below is dynamically updated via a custom GitHub Actions automation (
update_latest_projects.py). It fetches my most recent and active repositories to keep this portfolio fresh!
- prompts-and-skills — A production-grade, structured repository dedicated to high-level AI System Prompts, Agentic Skills, Security Audit Frameworks, and Architectural Guidelines for modern Large Language Models (LLMs) and Autonomous AI Agents.
- resumesh-scrapers — resumesh-scrapers is a clean, modular, and robust Python library containing standalone scraping services for GitHub, Dev.to, Medium, Substack, Behance, NPM, and PyPI platforms.
- robo-market-search — Türkiye'nin en popüler 4 elektronik ve robotik pazarında (Robolink, Robotistan, Robo90, Direnç.net) tek satır kodla, çok hızlı ve eşzamanlı arama yapmanızı sağlayan Python istemci kütüphanesi.
- ResuMesh — ResuMesh is a self-hosted, dynamic portfolio hub designed for modern developers. Instead of maintaining static personal websites, ResuMesh continuously syncs your digital footprint from GitHub, Medium, and Dev.to into a single, unified database.
- ApexRestpy — ApexRestpy is a lightweight Python library designed to seamlessly interact with Oracle APEX RESTful services. It is the Python adaptation of the ApexBridge C++ Arduino library, bringing the same simple and clean API to standard Python environments.
- resumesh-llm — A professional-grade, lightweight, and production-ready Python library powering the intelligent LLM features of the ResuMesh CV and portfolio builder.
- ForexFactoryScrapper — ForexFactoryScrapper is a Python-based web scraping tool designed to extract financial event data from the ForexFactory website. This project provides a simple and effective way to scrape calendar events, forecast data, actual values, and other relevant information for forex trading analysis.
- playstation-market-search — PSN network search api for price of the games
- IstakaUstasi — Istaka Ustası is a full-stack Okey board solver and computer vision application. It helps players scan their physical Okey rack using a camera or select tiles manually, and employs optimization engines to solve the tiles into optimal melds (Runs, Groups, and Doubles) for Okey and 101 Okey games.
- okey-solver-py — Python library for solving Okey & Rummikub tile arrangements and processing board layouts.



