Backend & Systems Developer

Building robust systems.

I design scalable backend architectures, build modern web applications, and integrate AI agents.

Selected Projects

Own projects and developer tools actively built and maintained in production.

Staio.app
Staio.appAI SaaS

AI customer support platform for e-commerce: chatbot powered by RAG resolving support tickets autonomously.

Next.jsAI (RAG)Payments
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QuickPost

A lightweight, distraction-free REST API client alternative to Postman. Test endpoints, bypass CORS with Server Actions, and manage collections with local-first privacy.

Next.js 16REST API
Skillance.dev
Skillance.devDev Platform

Developer platform connecting engineers: portfolios, talent hiring, and community.

Next.jsPostgreSQL
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Awards

Tour de App 2026

Ranked among the TOP 20 teams in Central Europe in web application development.

Tour de App 2025

Grand finalist and certified as the 10th best team in CZ for web app development.

About Me

My name is Zenovij Partyka, known as Zeno Partyka. I specialize primarily in backend development and architecture, delivering end-to-end solutions including modern frontends.

Core Focus: Designing scalable backend systems, REST APIs, database architecture (PostgreSQL), and business logic. I prioritize reliability, security, and clean code.

AI & Automation: Integrating LLMs and autonomous AI agents (RAG, tool-calling) to streamline business workflows.

Game Development: In my spare time, I develop gameplay mechanics in Godot Engine and experiment with systems programming.

Tech Stack

Backend & Infrastructure

PythonPythonFastAPIFastAPIFlaskFlaskNode.jsNode.jsPostgreSQLPostgreSQLDockerDockerCaddy

Frontend & Full-Stack

TypeScriptTypeScriptNext.jsNext.jsReactReact

Game Development & Systems

Godot EngineGodot EngineGDScriptGDScriptRoblox StudioRoblox StudioLuaLua

Services

End-to-end engineering, not just code.

Core Service

Complete Web Solution

From architecture to deployment. High-performance, clean code, and solutions you fully own.

  • Design & Dev
  • SEO & Performance
  • Scalable Architecture
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ADD-ON

+ Hosting & Care

Hassle-free operations. I configure hosting, SSL certificates, security, and DNS settings.

  • Hosting Included
  • SSL & Security
  • Domain Config
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Blog & Architecture

Insights from real-world engineering, system design, backends, and modern web tech.

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Ready to work together?

Reach out via email or connect on social media. Happy to discuss the architecture and technical requirements of your project.