Stefan Sechelmann
Co-Founder at ADVACTORY
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolStefan Sechelmann is a mathematically trained software craftsman and entrepreneur with 20 years of experience building secure, production-ready systems from research prototypes to enterprise SaaS. As Co-Founder of sopher networks and ADVACTORY in Berlin he blends CTO-level technical leadership with hands-on engineering to deliver audit-proof, AI-driven automation and secure enterprise communication. His PhD in mathematics underpins a deep appreciation for rigorous algorithms and discrete geometry, which he has applied both in academic research on Riemann surfaces and in practical software architecture. Stefan is comfortable bridging formal theory and pragmatic product delivery, often stepping into CTO roles to solve thorny integration and security challenges for customers. Notably, he combines decades of consulting and freelance engineering with startup-building instincts to turn complex requirements into reliable, auditable systems.
20 years of coding experience
Doktor (Ph.D.), Mathematik, summa cum laude, Doktor (Ph.D.), Mathematik, summa cum laude at Technische Universität Berlin
Stackoverflow
19reputation
134reached
1answer
0questions
Github Skills (150)
datetime10
testing10
docker-desktop10
qunit10
excel10
indexeddb10
closedxml10
javascript10
dates10
api10
offline-storage10
unit-testing-framework10
database10
xlsx10
net-library10
Programming languages (8)
Github contributions (5)
sechel/jtem-halfedgetools
Sep 2009 - Jul 2018
Contributions:434 commits, 2 pushes, 1 branch in 8 years 11 months
varylab/varylab
Jan 2010 - Dec 2016
Contributions:1 release, 469 commits, 1 branch in 7 years
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