Jonathan Lange
Staff Software Engineer at Chainguard
London, England, United Kingdom
Summary
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RockstarJonathan Lange is a London-based Staff Software Engineer with over two decades of experience combining hands-on backend, infrastructure and data engineering with senior technical leadership roles including VP and Principal Architect. He brings a strong SRE and distributed-systems pedigree from Google and Weaveworks and is an active open-source contributor across languages — from improving Twisted’s testing framework to Kubernetes tooling like kubediff and enhancements to Haskell’s servant and Grafanalib. Comfortable both shaping engineering strategy and digging into code, he has a track record of improving maintainability, testability and performance in complex systems. Jonathan’s taste in books (Turn the Ship Around!, Designing Data-Intensive Applications) underscores a focus on empowering teams and building robust, scalable systems, and he frequently chooses to return to hands-on engineering after leadership stints to stay technically engaged.
23 years of coding experience
22 years of employment as a software developer
Stackoverflow
1,045reputation
51kreached
2answers
9questions
Github Skills (64)
asynchronous10
api-doc10
unit-testing10
timeseries-database10
json10
kubernetes10
dockerce10
docker10
dashboard10
pytest10
python10
back-end-development10
async10
testing10
microservices-application10
Programming languages (18)
Github contributions (5)
weaveworks/grafanalib
Dec 2016 - Jul 2018
Python library for building Grafana dashboards
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:71 commits, 95 PRs, 115 pushes in 1 year 7 months
Contributions summary:Jonathan primarily contributed to the development and maintenance of a Python library for building Grafana dashboards. Their work involved refactoring code for style consistency and implementing new features like the `auto_panel_ids` method for generating panel IDs. They also focused on improving the user experience by adding new features, and extending the functionality of existing features.
python-librarypythongrafana-dashboardsdashboardsedsl
twisted/twisted
Nov 2002 - Dec 2015
Event-driven networking engine written in Python.
Role in this project:Backend & Test Automation Engineer
Backend & Test Automation EngineerContributions:606 commits, 1 PR, 4 pushes in 13 years 3 months
Contributions summary:Jonathan focused on enhancing the testing framework and resolving bugs related to the core components of the Twisted networking engine. They implemented test frameworks for asynchronous tasks, and also added support for running the tests via subprocesses, and introduced unit testing tools for various core classes. The user worked on patching up known bugs and refactoring various classes in the codebase.
pythonxmppevent-drivenasyncimap
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