# Joel Hägvall - Software Engineer Based in Stockholm, Sweden

> Software engineer based in Stockholm, Sweden, working across TypeScript, React, .NET/C#, developer tooling, workflow automation and AI products.

I'm a software engineer building enterprise systems, developer tooling, workflow automation and privacy-focused AI products.

## Work with me

I build RAG assistants, embeddings/vector search, document ingestion, AI reports, recommender flows, and the SaaS layer around them. Useful AI, connected to real data, shipped with auth, billing, audit logs, tests, and deployment. See [Work With Me](https://joelhagvall.com/work-with-me) or email work@joelhagvall.com.

## Featured project

**[Tor Onion Site Scraper](https://github.com/joelhagvall/tor-onion-site-scraper)**: Python-based web crawler and analysis tool for Tor websites, developed as part of my bachelor thesis at Stockholm University. Used for researching cybercrime services and trust dynamics on dark web marketplaces.

## Publications

- **Analyzing Cybercrime Services and Trust Dynamics on the Dark Web: A Case Study of DarkDock Marketplace** (2024): Bachelor thesis written with a co-author, covering different aspects of cybercrime on the Tor network, published in 2024. [Publication record](https://su.diva-portal.org/smash/record.jsf?pid=diva2%3A1955538&dswid=-9467)

## Latest from the blog

- [Automate Everything Possible](https://joelhagvall.com/blog/automate-everything) (2026-08-17): You have no excuses anymore. Not with AI. Not with anything.
- [Stripping Away the Noise](https://joelhagvall.com/blog/noise) (2026-01-05): Cutting through what doesn't hold.

## Tech stack

Java, Blockchain, Web Development, Python, React, Next.js, Swift, SwiftUI, PHP, MySQL, Firebase, Flutter, Dart, TypeScript, JavaScript, PySimpleGUI, PostgreSQL, Supabase, TanStack Query, TanStack Form

## Pages

- [About](https://joelhagvall.com/about): background, skills and interests
- [Projects](https://joelhagvall.com/projects): personal and open-source work
- [Resume](https://joelhagvall.com/resume): experience and education
- [Work With Me](https://joelhagvall.com/work-with-me): freelance services
- [Blog](https://joelhagvall.com/blog): thoughts and technical writing
- [Contact](https://joelhagvall.com/contact): how to reach me
- [Privacy](https://joelhagvall.com/privacy): privacy policy
- [Security Policy](https://joelhagvall.com/security-policy): responsible disclosure

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