~/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.
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02 / leadership
Leadership
Building teams that excel individual experts — technical depth, a people-first mindset and plain words instead of bullshit bingo. How I lead, in principles.
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03 / prototyping
Prototyping
Fully working prototypes in days, not months. Real software that turns an idea into something you can actually test.
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04 / 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.
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05 / mentoring
Mentoring
Free mentoring for engineers and founders. Someone helped me when I started out — this is me paying it forward.
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02 / career
Twenty years from code to C-level and back
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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
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2021 — 2025
Co-Founder · Laserhub
- Stepped back as managing director and supported the company in changing roles
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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
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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
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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
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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
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2011 — 2014
Freelance Software Engineer
- Worked for multiple clients across varying tech stacks
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2011 — 2014
M.Sc. Information Engineering
- Learned the strategic foundations and a lot about process modeling
- Sharpened my analytical thinking
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2010 — 2011
Junior Engineer · Bigpoint, a gaming scale-up
- Engineering at gaming scale-up speed
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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
“Jonas can boil down a complex technical problems into their simplest components while getting the team to pull in the same direction. I’ve met few who can do this.”
“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.”
“Jonas isn’t just someone who has the ability to understand problems in depth and develop solutions, but also to strategically bring issues back to the forefront. On a personal level, too, working with Jonas has always been a lot of fun.”
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.