Jonan Scheffler
Founder at Daruma
Berlin, United States
Summary
👤
Senior🎓
Top SchoolJonan Scheffler is a founder and award-winning Developer Relations leader with 14–15 years of professional software engineering experience, known for building and scaling high-performing DevRel teams at New Relic and Parity Technologies. He blends deep hands-on engineering (notably contributions to the New Relic Ruby agent) with strategy for developer experience, open source engagement, and community growth across decentralized and platform ecosystems. Comfortable leading distributed teams, Jonan has a track record of shipping resilient telemetry and instrumentation work while improving developer tooling and documentation. Splitting time between Berlin and Portland, he is open to direct hire in the EU and US and brings an uncommon mix of garage-built robotics tinkering and enterprise DevRel leadership.
14 years of coding experience
20 years of employment as a software developer
BA Japanese Language Culture and History, BA Japanese Language Culture and History at University of OregonDiploma Business, Diploma Business at Ashland High School
Japanese
Stackoverflow
131reputation
3kreached
5answers
0questions
Github Skills (20)
testing10
cicd10
ruby10
exception-handling10
devops10
read-the-docs10
configuration-management9
documentation8
cookiecutter7
python7
ruby-on-rails6
mochajs6
nodejs6
timescaledb6
newrelic6
Programming languages (16)
Github contributions (5)
newrelic/newrelic-ruby-agent
May 2013 - Jul 2015
New Relic RPM Ruby Agent
Role in this project:
Back-end Developer
Back-end DeveloperContributions:542 commits in 2 years 1 month
Contributions summary:Jonan focused on enhancing the New Relic RPM Ruby Agent by addressing custom metric recording with `NaN` values and improving security by removing or modifying exception messages. They also worked on features for exception handling and whitelisting specific exceptions to allow messages. Further contributions include improvements to the agent's configuration settings, including enabling or disabling features like the Heroku Dyno name and instrumenting middleware in the Rack build process.
agentrpmapm-agentrubyruby-agent
audreyfeldroy/cookiecutter-pypackage
Jun 2016 - Jun 2016
Cookiecutter template for a Python package.
Role in this project:DevOps Engineer
DevOps EngineerContributions:6 commits, 4 PRs, 2 comments in 1 day
Contributions summary:Jonan focused on improving the project's infrastructure and integration with external services. They updated documentation links to point to `readthedocs.io` and added badges for dependency status from `requires.io`. Furthermore, the user modified the project to use the `master` branch instead of `default` and added setup instructions for `RequiresIO`, linking to relevant sites in the documentation. Their work also included linking to `PyPi` and `Bumpversion`.
templatepythoncookiecutter-templatepython-packagecookiecutter
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