Open for freelance

Hi, I'm Stefan.

I build software for web, mobile, and AI — and create content that helps other developers grow.

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Stefan Blos
10+ Years building software
19 Blog posts written
15+ Technologies in stack
4 Released products
01

Writing

Technical articles and tutorials

01

Relaunching my blog

Why I relaunched my blog and how I did it.

web astro blog
02

Set up a new web app with Next.js

Here is my (proven) way to set up a new web app with Next.js, Typescript, and Tailwind.

web Next.js setup
03

What's new in Xcode 14

Learn everything that’s new in Xcode 14. There are a ton of improvements both under the hood and visually, so let’s look at them and what’s coming in the new version.

Xcode WWDC22
All Articles →
02

Experience

Where I've built and shipped

2021 — Present

Stream

Senior Developer Advocate

  • Led YouTube channel growth initiative, boosting 123% views, 91% watch time, 184% subscribers
  • Created technical content across blog articles, documentation, conference talks, and live streams
  • Developed new features including AI SDKs on Node.js and Python
  • Built integrations and sample projects across multiple tech stacks for enterprise customers
React Node.js Python AI/ML Developer Relations
2019 — 2021

Codecamp:N

Software Engineer

  • Delivered client projects in frontend, cloud, and full-stack development
  • Built web applications in React, Angular, Next.js, GatsbyJS, and TypeScript
  • Designed scalable cloud applications using AWS and Azure with Terraform
  • Led internal group on web technologies and knowledge-sharing
React Angular Next.js TypeScript AWS Flutter
2017 — Present

Self-employed

Freelance Developer

  • Designed and built user-centric mobile applications for clients
  • Developed native iOS (Swift) and Android (Kotlin) applications
  • Built cross-platform apps using Flutter
  • Created showcases with AR (ARKit, ARCore) and ML technologies
Swift iOS Kotlin Flutter ARKit ML
03

Stack

Core technologies I work with daily

01 React
5yr
02 TypeScript
5yr
03 Swift / SwiftUI
7yr
04 Node.js
5yr
05 Python
4yr
06 Flutter
3yr
07 AWS
4yr
08 AI / ML
3yr

Let's work together

Have a project?
Let's talk.

I build mobile apps, web platforms, and AI-powered products. I bring technical depth, clean code, and a genuine care for the end user. Available for freelance, consulting, and collaboration.

Twitter @stefanjblos ↗ GitHub DaemonLoki ↗ YouTube @StefanBlosDev ↗