Simon Feldhusen
Theresenstraße 27, 65779 Kelkheim|simon@feldhusen.io|+49(0)15735448761|linkedin.com/in/simon-feldhusen
Education
Karlsruhe Institute of TechnologyKarlsruhe, DE
B.Sc. Business Informatics10/2025 – 08/2028
Focus Areas: Mathematics, Economics, Computer Science, Commercial Law
Fellow of the Foundation of German Business (SDW)10/2026 – Present
EichendorffschuleKelkheim, DE
Abitur (1.8, top 15%), Advanced Courses in Mathematics & Sports09/2016 – 07/2025
Experience
SmallBiz Guide GmbHKelkheim, DE
Chief Technology Officer (CTO)01/2025 – Present
- Built PayLens from scratch, a market intelligence platform showing payment companies where their market is moving, who wins share, and which deals reshape it across 20+ European markets
- Won industry leaders Nexi, Ingenico, and S-Payment (Sparkassen group) as active pilot users; worked directly with their senior stakeholders to shape the roadmap
- Launched an AI analyst answering strategic market questions in seconds instead of weeks of research
- Own the platform behind KartenKosten.de, an AI service that cuts card fees for large merchants
STecKelkheim, DE
Founder & CEO09/2024 – Present
- Founded and scale a bootstrapped software business, delivering 10+ projects for international clients
- Own every client end to end, from acquisition and scoping to delivery and long-term support
Deutsche Bank AGFrankfurt, DE
Internship – Technology & Data Innovation07/2024
- Contributed to projects across the Technology division, focusing on agile delivery, AI applications, mobile banking, and IT security
- Gained insight into how a global bank weighs technology investments against cost, risk, and regulation
Projects & Engagement
KITE – Karlsruher Initiative für Talente und EntwicklungKarlsruhe, DE
Initiator & Co-Founder09/2026 – Present
- Founded a student mentoring initiative; recruited a team, a faculty advisory board, and industry contacts
- Launched in three days and reached 80 sign-ups in five weeks with zero ad spend
- Built the platform and an AI study assistant single-handedly; secured $12,000 in AI credits
Linity GmbHKarlsruhe, DE
Product & UX Advisor10/2025 – 08/2026
- Shaped product strategy for Lytris, an AI math platform used by 1,000+ students across Europe
- Co-led the scale-up of Lytris in a 10+ person team; owned UX and readiness for university rollouts
Forsthaus am DünsbergFrankfurt, DE
Volunteer Digital Officer01/2024 – Present
- Introduced a fully automated online booking system, replacing a manual email-based process
- Guests now book online 24/7 with zero manual effort; also run the website and communications
Skills
- Languages
- German & Hungarian (native), English (C1), French (B1)
- Tech & AI
- AI product development (LLM integration, AI agents), Excel, PowerPoint, Python, React & Next.js
- Certificates
- Data Science (HarvardX), Analytics (Google)
- Interests
- Lifeguarding (DLRG), Piano, Calisthenics & Endurance Sports