Christian Kellner
Staff Engineer Product-Led Growth Product-Led Sales at IBM
Dusseldorf, North Rhine-Westphalia, Germany
Summary
🤩
RockstarChristian Kellner is a staff engineer specializing in Product-Led Growth and Product-Led Sales with 11 years of experience building scalable, revenue-driving systems. Currently at IBM, he has led teams that designed internal customer-insight platforms, licensing systems, and high-throughput messaging products that serve thousands of users and messages per second. His background spans founding-engineer work at Instana—where he implemented core licensing and business integrations—and architecting the messaging backbone at Timocom, demonstrating both hands-on implementation and strategic product thinking. Known for blending front-end and back-end expertise (React, Java) with operational rigor, he focuses on turning complex product and licensing requirements into reliable, secure systems that directly impact monetization.
11 years of coding experience
13 years of employment as a software developer
English, German
Stackoverflow
7,150reputation
738kreached
79answers
142questions
Github Skills (200)
dialog10
component-library10
crawler10
semantic-ui-react10
toast10
nodejs10
user-interface10
thermostat10
frontend10
python10
react-redux10
datatable10
semantic-ui10
pagination10
declarative10
Programming languages (16)
Github contributions (5)
orangecoding/reFormz
Dec 2016 - Dec 2018
Contributions:10 releases, 5 PRs, 59 pushes in 2 years
reactreduxredux-forms
orangecoding/heatsheet
May 2020 - Sep 2022
HeatSheet -> The Tado Metrics "cheatsheet"
Contributions:1 release, 20 commits, 6 PRs in 2 years 4 months
tadometricscheatsheettado-apithermostat
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.