Nell Boulle
Principal Engineer at Ecosia
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolNell Boulle is a seasoned back-end and platform engineer with 14 years building cloud-native, Linux-first infrastructure and SRE practices across startups and major tech platforms. She was an early technical contributor to CNCF and helped steer the OCI image format, with notable open-source work on projects like umoci, rkt and containers/image that underpin container interoperability. At Ecosia she scaled platform engineering and advised executive teams on technical strategy, and she’s guided multiple startups on architecture and hiring as a trusted advisor. Nell combines hands-on systems programming (etcd, raft, go-systemd) with pragmatic DevOps and CI/CD improvements that reduce operational friction. More recently she brings mindfulness training (MBSR) into engineering cultures, blending technical leadership with human-centred coaching. Based in Berlin, she’s available for consulting on resilient architectures, organizational scaling, and open-source standards.
14 years of coding experience
11 years of employment as a software developer
Contemplative Psychotherapy Program, Contemplative Psychotherapy Program at Nalanda Institute for Contemplative ScienceBachelor of Information Technology (B.IT) Security, Bachelor of Information Technology (B.IT) Security at QUT (Queensland University of Technology)MBSR Teacher Training, MBSR Teacher Training at Institute for Mindfulness-Based ApproachesMaster of Arts - MA Creative Writing, Master of Arts - MA Creative Writing at University of ExeterBachelor of Arts (B.A.) Philosophy, Bachelor of Arts (B.A.) Philosophy at Birkbeck, University of LondonSomerset College
English, German
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (54)
mesos10
consensus10
container10
docker10
key-value-store10
python10
testing10
command-line-interface10
distributed-systems10
image-conversion10
etcd10
makefile10
containerization10
dockers10
networking10
Programming languages (20)
Github contributions (5)
rkt/rkt
Nov 2014 - Apr 2017
[Project ended] rkt is a pod-native container engine for Linux. It is composable, secure, and built on standards.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:13 releases, 1007 commits, 745 PRs in 2 years 5 months
Contributions summary:Nell primarily focused on developing the core functionality of the rkt container engine by implementing the initial "rkt" binary. They added the basic main functionality, build scripts, and rudimentary container manifest generation. Further contributions involved the addition of an output directory and other enhancements to improve the project's internal structure and clarity. These efforts were crucial in bootstrapping the project's initial core architecture and its evolution.
ocisecureseccompdockerrkt
coreos/go-systemd
May 2014 - Nov 2016
Go bindings to systemd socket activation, journal, D-Bus, and unit files
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 release, 90 commits, 79 PRs in 2 years 7 months
Contributions summary:Nell focused on fixing format string issues and adding functionality to the go-systemd library. They introduced the `ResetFailedUnit` method and improved code by properly escaping unit names. Additionally, the user implemented changes to improve unit file deserialization, and updated the code to follow more modern coding styles.
golangd-busactivationsocketjournal
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