Christian Sell
Inhaber at Retiro dos Cavaleiros Lda.
Tomar, Portugal
Summary
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SeniorChristian Sell is an experienced software engineer and founder with over 12 years of professional experience and a development career stretching back to the early 1990s. He has built end-to-end systems across Java, C++ and Smalltalk, delivering solutions for web, desktop, mobile and high-speed industrial camera systems. As founder of Retiro dos Cavaleiros and past lead architect at ByteRefinery, he combines hands‑on implementation with product-focused consulting and framework design. Notable projects include a 3D-model damage documentation framework and high-performance imaging software, reflecting comfort with both low-level hardware integration and user-facing interfaces. Based in Tomar, Portugal, he brings a rare breadth—from hard real‑time engineering to shaping business requirements—paired with sustained entrepreneurial drive. Colleagues value his ability to translate complex technical constraints into pragmatic, production-ready solutions.
12 years of coding experience
34 years of employment as a software developer
German, English, French
Github Skills (22)
webgl9
threejs9
object-mapping8
javascript8
lmdb7
qtcreator7
upnp6
deploying6
dlna6
database5
android5
eclipse-cdt5
java5
key-value-store4
key-value4
Programming languages (3)
Github contributions (5)
bergstr11/three.cpp
Jul 2017 - May 2019
yet another C++ port of three.js, based on r86+
Contributions:377 commits, 304 pushes, 2 branches in 1 year 10 months
webgljavascriptthreejsyet-anotherthree-js
bergstr11/qt-android-cmake
Jun 2016 - Nov 2018
Contributions:3 pushes in 2 years 5 months
deployingqmlcmakeqt5android
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