Real-Time Distributed Chat System
Built chat to learn what breaks when one server becomes many. Stack: Go, WebSocket, Redis, Docker.
Go / WebSocket / Redis Pub/Sub / Docker / React
// swe / devops / systems
Luka Golubovic
Software Engineer from Serbia. I build systems, delivery pipelines, and boring reliable software without corporate theatre.
// Featured projects
all projects →Architex: System Design Practice Platform
Built a place to practice system design with real review flow. Stack: Node.js, Express, SQLite, React, Excalidraw.
Node.js / Express / SQLite / JWT / React / Vite / Tailwind CSS / Excalidraw
Project Aeon: Local-First Assistant Platform
Built a private local AI assistant without sending work to cloud. Stack: FastAPI, ChromaDB, Ollama, Vue.
FastAPI / ChromaDB / Ollama / RAG / Vue 3 / TypeScript
Iris: Print-Shop Operations Web App
Built one place for print-shop work orders, people, and daily mess. Stack: React, TypeScript, Vite, Tailwind, Vitest.
React / TypeScript / Vite / Tailwind CSS v4 / shadcn/ui / React Hook Form / Zod / Recharts / Vitest
// experience
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Engineering Software Lab Serbia / Belgrade
- Software Engineer — Sep 2022 - Present
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Freelance / Part-time · Remote
- Software Engineer — 2023 - Present
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Docloop / Belgrade
- Software Engineer — Sep 2021 - Sep 2022
// Recent writing
all posts →Designing Codebases for AI Agents
Clean modules help people and agents make fewer wrong changes.
ai-tools / workflow / engineering
What I Changed in My Prompts for Claude Fable 5
Give hard jobs clear boundaries. Check long runs.
ai-tools / workflow / productivity
The caveman skill matters more now that Copilot bills by tokens
Short input and clear scope save tokens and time.
ai-tools / github-copilot / workflow
AI-assisted coding needs smaller loops
Give agent small jobs. Check every result.
ai-tools / workflow / engineering