Jan Johannes
Berlin, Germany
Summary
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RockstarJan Johannes is a Berlin-based software leader with 11 years of experience building full‑stack, modular web applications and resilient messaging/inbox systems that work online and offline. He’s led technical strategy as Lead Developer and Software Architect, driving change-control and data-ownership initiatives for projects like lix and rebuilding customer data platforms at enterprise scale. As a former CTO and founder, he blends product-minded engineering with hands-on architecture—especially for conversational e-commerce, recommendation and search-driven agents. Jan’s specialty is designing pragmatic, auditable workflows that unify conversations and data across channels, a skill honed through repeated delivery in startups and large organizations alike. Notably, his work emphasizes ownership and control of user data, reflecting a long-term focus on user-centric, modular platform design.
11 years of coding experience
16 years of employment as a software developer
Stackoverflow
93reputation
10kreached
5answers
1question
Github Skills (154)
windows10
bots10
globalization10
muon10
command-line-tool10
web-development10
couchdb10
deno10
javascript10
linux10
internationalization10
docker-compose10
service-worker10
localization10
pouchdb10
Programming languages (13)
Github contributions (5)
cloudless-hq/atreyu
Jun 2021 - Mar 2023
cutting edge web apps
Contributions:28 releases, 206 commits, 15 PRs in 1 year 9 months
cuttingreactweb-appsedgecutting-edge
Agent54/xe-darc
Jun 2025 - Jul 2026
An arc inspired next generation browser built with xenon and svelte.
Contributions:1 review, 14 PRs, 122 pushes in 1 year 1 month
svelte
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