Jan Sandbrink
Senior Software Entwickler In at OpenProject | Open Source Projektmanagement-Software
Rathenow, Brandenburg, Germany
Summary
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Rockstar🎓
Top SchoolJan Sandbrink is a Senior Software Entwickler with 15 years of experience building and leading engineering teams, currently contributing to the open-source project management platform OpenProject. He advanced through technical and leadership roles at Aroundhome—from Software Engineer to Staff Engineer—where he focused on scaling systems and mentoring cross-functional teams. Jan’s background spans backend and frontend work, with early experience integrating Microsoft Office add-ins in C# and later backend development in Ruby on Rails for OpenProject. Educated at the Hasso Plattner Institute (MSc, BSc in IT-Systems Engineering), he blends solid academic foundations with practical product delivery. Based in Rathenow, Germany, he brings a pragmatic mix of hands-on coding, architecture, and open-source stewardship that helps bridge legacy integrations and modern web platforms.
15 years of coding experience
8 years of employment as a software developer
Master of Science (M.Sc.) IT-Systems Engineering, Master of Science (M.Sc.) IT-Systems Engineering at Hasso Plattner Institute
German, English, French
Stackoverflow
3,043reputation
843kreached
24answers
9questions
redis
top-5%
ruby
top-5%
ruby-on-rails
top-5%
Github Skills (200)
rubocop10
bug-tracker10
error-handler10
identity10
distributed-tracing10
authentication10
mvc10
background-worker10
ruby10
stacktrace10
ruby-client10
activerecord10
profiling10
linter10
doorkeeper10
Programming languages (16)
Github contributions (5)
NobodysNightmare/energy
Nov 2016 - Jul 2025
Collects stats about the energy generated and consumed in a household
Contributions:73 pushes, 3 branches in 8 years 9 months
energyconsumedstatshousehold
aroundhome/environment_config
Oct 2017 - Jul 2020
Gem to unify reading configuration from environment variables.
Contributions:28 commits, 5 pushes, 2 branches in 2 years 9 months
environment-variablesconfigurationconfiggemunify
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