All posts
How I got my first paying SaaS customer in a boring niche
July 18, 2025
How I turned a stagnant product into my first revenue-generating SaaS by refining the offer, talking to real users, and running targeted ads.
My first AI agent: scans Reddit, sends me business ideas every morning
June 15, 2025
Built in 3 hours: an AI tool that searches Reddit for user pain points, scores them by business potential, and emails me a daily report. A simple but powerful way to spot ideas worth building.
What I’ve been up to lately, thoughts on AI, and 10 lessons from Pozitive Tech 2024
December 11, 2024
A personal update on recent business moves, reflections on the fast-moving world of AI, and key takeaways from the Pozitive Technologies 2024 conference—including some surprising facts you might not expect.
Building an indie MMORPG – part 7: Login, database persistence, monsters, items and obstacles
October 3, 2024
Implementation of registration and login system with a welcome screen. Game state persistence in MongoDB. Introduction of monsters with basic AI, item corpses, and tile-blocking obstacles like trees and rocks.
Building an indie MMORPG – part 6: Player vs Player combat, shared tiles, and new layout
August 1, 2024
First version of melee combat between players. Exception-based support for multiple players on one tile. New UI layout with left and right panels. Backend model restructuring and streamlined state management.
Building an indie MMORPG – part 5: Smooth movement, player rotation & dynamic map loading
July 25, 2024
Fluid walking and rotation, real-time updates for nearby players, dynamic map chunk loading and cleanup, plus key backend threading and serialization improvements.
Building an indie MMORPG – part 4: Phaser integration, world rendering & movement basics
July 18, 2024
Introducing Phaser to render the world in-browser. Explaining full backend modularity with Maven. Sending the map from server to client, drawing tiles, and handling first movement logic.
Building an indie MMORPG – part 3: backend architecture, custom protocol, and chat
July 12, 2024
How I designed clean backend architecture, built a custom binary protocol, and implemented real-time chat with a task scheduler for timed game events.
Building an indie MMORPG – part 2: WebSocket setup
July 10, 2024
How I connected the client and server using WebSockets — the first real-time communication feature in my online game.
Building an indie MMORPG – part 1: idea, goals, and tech stack
July 2, 2024
Why I’m building a browser-based MMORPG from scratch, how it will work, and which technologies I chose to bring it to life.
What I learned building my first SaaS in a niche industry
June 29, 2024
From coding during a fever to launching in a Facebook group — how I built and tested my first SaaS for crane dispatchers in a tiny Polish niche.
How we made our first sales without a finished product
June 26, 2024
From spotting a real need to validating it with fake sales and Facebook ads — our first paid product taught us more than any book.
What I wish I knew before building my first apps
June 22, 2024
10 business lessons that changed how I build products — from chasing ideas to solving real problems people pay for.
From kid coder to failed startups: my 20-year journey
June 18, 2024
Lessons from 20 years of coding, failing, and chasing ideas that didn’t work — and why I’m still at it.