~/jonas-schweizer $ whoami▊
Software engineer, ex-CTO & co-founder — with a pure startup mindset.
If tech English and business English were languages, I’d speak both fluently — and people English is my dialect. Twenty years in, I’m happiest writing code that ships, and just as comfortable in the room where the strategy gets decided.
01 / what i do
What I do
01 / engineering
Software Engineering
Senior full-stack engineering with a pure startup mindset. Web apps, pragmatic automations and an AI-first approach — built to ship and built to last.
read more →
02 / prototyping
Prototyping
Fully working prototypes in days, not months. Real software that turns an idea into something you can actually test.
read more →
03 / cxo-sparring
CxO Sparring
I’ve sat in the CTO chair: team setup, tech stack, processes, AI leverage — and the hard calls in between. Sometimes that’s worth a conversation.
read more →
04 / mentoring
Mentoring
Free mentoring for engineers and founders. Someone helped me when I started out — this is me paying it forward.
read more →
02 / career
Twenty years from code to C-level and back
-
2025 — today
Senior Software Engineer · rhome
- Sustainably growing tech, team and processes while scaling rhome’s business
- Taking rhome to the next level in processes, compliance & security, and culture
-
2021 — 2025
Co-Founder · Laserhub
- Stepped back as managing director and supported the company in changing roles
-
2017 — 2021
Co-Founder & CTO · Laserhub
- Grew the company from 3 to 50 employees
- Contributed to three VC financing rounds
- Built and grew a tech team from zero
- From bare metal to a cloud-native software stack
-
2014 — 2017
Business & IT Consultant · diconium strategy
- Leveled up my conceptual and strategic thinking
- Learned how to structure any problem
- Started to grow a team-first leadership mindset
-
2012
Working Student, Product Management · Grünspar
- First startup experience at the Münster-based e-commerce startup for energy-saving products
- Grünspar later exited successfully to energy company EWE
-
2011
Co-Founder · blogfieber.com
- Co-founded a student startup — it didn’t take off, but taught me the most important lesson early: team wins
- The team didn’t match, and no idea survives that
-
2011 — 2014
Freelance Software Engineer
- Worked for multiple clients across varying tech stacks
-
2011 — 2014
M.Sc. Information Engineering
- Learned the strategic foundations and a lot about process modeling
- Sharpened my analytical thinking
-
2010 — 2011
Junior Engineer · Bigpoint, a gaming scale-up
- Engineering at gaming scale-up speed
-
2006 — 2009
B.Sc. Computer Science
- Majored in Human-Computer Interaction
- Worked as a software engineer in various university departments from day one
03 / references
What others say
“Working with Jonas is a significant period in my career — what I learned and experienced then, I still proudly and successfully apply in my own teams today. I’m grateful to him for being that role model.”
Let’s talk
Whether you want to build something, need a sparring partner or just want to compare notes on tooling — I’m easy to reach.