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Zsolt Márk Gyenes

@zsoltmrkgyenes

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Full-stack freelancer building Story Branch, an AI-powered writing suite for branching narratives and worldbuilding.

Hungary

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As a full-stack freelancer, I’m developing Story Branch, an AI-powered writing suite for authors and worldbuilders. I iterated through 21 development versions and shipped a standalone desktop build to early testers for feedback.

Story Branch brings together a branching story canvas, character customization, a world builder, and a plot planner. Its background AI extracts and organizes characters, locations, and lore into searchable codex cards, and it connects with Gemini, OpenAI, Claude, and local models.

I’m migrating the frontend from vanilla JavaScript to React and evaluating Java Spring Boot for a backend that can support both locally hosted desktop and cloud SaaS offerings. I use structured specs, rapid prototypes, and living AGENTS.md guardrails to keep iteration fast while maintaining architectural discipline.

Experience

Work history, roles, and key accomplishments

Current

Fullstack Freelancer

Current

Self Employed

Currently developing a commercial AI-powered writing product, migrating from a desktop version to a web-based architecture with a React frontend and Java Spring Boot backend.

JavaScript HTML5 CSS3 Tauri Rust Gemini OpenAI Claude React REST APIs Spring Boot AI Workflows AGENTS.Md UML Prototyping

Education

Degrees, certifications, and relevant coursework

Eötvös Loránd University (ELTE IK)

Bachelor's degree, Computer Science

Studied advanced design methodologies, software architecture patterns, web application engineering, operating system internals, computer networking, and systems automation.