Jeff Allen
System Administration Team Lead
Lausanne, Vaud, Switzerland
Summary
👤
Senior🎓
Top SchoolJeff Allen is a seasoned system administration and engineering leader with 26 years of experience building and operating large-scale infrastructure, cloud services, and distributed systems from startups to enterprise. Currently leading the System Administration team at Exoscale, he combines hands-on expertise in Linux, networking, and Go with a practical, results-driven approach honed through roles at Cisco, MSF, and contributions to the Go ecosystem. His open-source work includes meaningful contributions to core Go libraries and crypto tooling (dedis/kyber) as well as MQTT servers and clients in Go, reflecting deep protocol and backend skills. Jeff’s background also includes humanitarian field engineering and a stint as a stay-at-home parent, evidencing adaptability, empathy, and an ability to re-learn quickly to meet team needs. Colleagues rely on him to learn, teach, and invent whatever is required to reach the finish line, often bringing subtle but important improvements to tooling and security practices.
26 years of coding experience
16 years of employment as a software developer
Roseburg High SchoolBS, Computer Science, BS, Computer Science at Harvey Mudd College
English, French
Stackoverflow
1,443reputation
148kreached
29answers
0questions
android-intent
top-5%
go
top-5%
Github Skills (33)
crypto10
programming-language10
elliptic-curve10
mqtt10
networking10
mqttnet10
crypt10
go10
cryptography10
golang10
server10
concurrency10
server-side10
api-design9
image-processing9
Programming languages (27)
Github contributions (5)
jeffallen/mqtt
Aug 2013 - May 2018
MQTT Clients and Servers in Go
Role in this project:
Back-end Developer
Back-end DeveloperContributions:50 commits, 9 PRs, 16 pushes in 4 years 9 months
Contributions summary:Jeff primarily focused on developing and improving the MQTT server functionality in Go. They implemented and refined features related to message retention, ensuring that retained messages are handled correctly and efficiently. Furthermore, the user added and refined the MQTT client support, including connect, subscribe, and publish, to ensure that client interactions with the server were working correctly. They also integrated and tested the features by adding unit tests.
gomqtt
dedis/kyber
Nov 2017 - Nov 2020
Advanced crypto library for the Go language
Role in this project:Back-end Developer
Back-end DeveloperContributions:3 releases, 301 commits, 120 PRs in 3 years 1 month
Contributions summary:Jeff implemented a special case key selection mechanism within the crypto library for the Go language. This involved modifying existing key generation code, adding a `Generator` interface, and improving documentation. Furthermore, the user addressed issues related to prime order assumptions and encoding/decoding of scalar values within the cryptographic framework. The commits demonstrate a focus on improving the library's internal workings and ensuring correctness.
cryptogo-languagecrypto-libraryelliptic-curvesgo
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