hello_world, from Sweden
CAISESIUME
Engineering Lead & Full-stack Engineer
I own products end to end: architecture, code, infrastructure, operations. Engineering Lead at a Swedish SaaS by day, builder and operator of large real-time systems on my own time.
- 1,500+ organizations on the SaaS I lead engineering for
- 170M+ chat messages processed by my own platform
- 1 peer-reviewed AI paper (Springer, SEAA 2025)
about
Behind the alias
$
caisesiume, engineering lead & full-stack engineer 🇸🇪
$ cat role.txt
Leading engineering at Paloma, a SaaS for newsletters, SMS,
events & marketing automation used by ~1,500 organizations.
Still shipping production code every week.
$ ls strengths/
architecture/ frontend/ backend/ devops/ deliverability/ genai/
$ git log --oneline life | head -4
f4c1a2e feat: promoted to Engineering Lead (2026)
9b3d5c7 feat: research published in Springer LNCS (2025)
0aa42f1 feat: joined Paloma as full-stack dev (2023)
1337c0d init: first bot goes live on Twitch (2019)
$ locale -a # human languages
$ sudo apt install patience
E: Unable to locate package patience
(built from source instead)
$
- 🎮 co-op enjoyer
- 🚴 bike person
- 📺 raised by Twitch chat
- 🎨 After Effects survivor
journey
From hobby bot to Engineering Lead
- 2019
First bot goes live
PepegaClapBot starts moderating Twitch chats. The hobby that quietly became a platform.
- 2020
Starts the BSc at University of Gothenburg
First year of Software Engineering & Management (2020–2023), in the Gothenburg/Chalmers environment.
- 2023
Full-Stack Developer @ Paloma
Joins the SaaS platform team in November; degree completed in December, with distinctions in Distributed Systems, OOP, Requirements & UX, and Software Engineering for AI Systems. Also the GenAI-with-LLMs certification (DeepLearning.AI × AWS).
View the GenAI credential - 2024
XtroneTrade development begins
Go + React autonomous trading platform. Solo, end to end, still running.
- 2025
Published researcher
Prompt-engineering guidelines for LLMs in requirements engineering, published in Springer LNCS (SEAA 2025).
- 2026
Engineering Lead @ Paloma
Promoted in January. Leading planning & delivery across ~5 engineers + consultants, still very much hands-on.