Antoine Tollenaere
Software Engineer at Datadog
Grenoble, Auvergne-Rhône-Alpes, France
Summary
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RockstarAntoine Tollenaere is a software engineer based in Grenoble, France, with 13 years of experience building resilient back-end systems and production tooling. He has been at Datadog since 2021 and combines hands‑on development with an operational mindset. Antoine is a pragmatic polyglot contributor to high-profile open-source projects such as Apache Aurora, Twitter Finagle, grpc-go and twitter-archive/commons, focusing on HTTP/gRPC reliability, performance and networking robustness. His work often targets protocol- and runtime-level issues—enabling HTTP health checks during updates, adding rolling restart capabilities, fixing panic/ticker leaks and hardening SSH/network error handling. That blend of backend engineering and DevOps experience produces compact, high-impact changes that improve stability and operability in distributed systems.
13 years of coding experience
Github Skills (29)
git10
mesos10
python10
testing10
http10
microservices-application10
finagle10
scala210
scala10
rpc10
go10
ci-cd10
microservices10
devops10
grpc10
Programming languages (8)
Github contributions (5)
twitter-archive/commons
Jun 2013 - May 2016
Twitter common libraries for python and the JVM (deprecated)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:9 commits, 9 PRs, 1 push in 2 years 11 months
Contributions summary:Antoine primarily contributed to the backend components of the project, with a focus on the Python language. They addressed issues related to SSH tunnels, error handling, and improving the stability of network connections within the `twitter.common` library. Furthermore, the user modified code related to testing, specifically improving the Git integration within the checkstyle library. This includes adding IPv4 and IPv6 addresses to serverset entries.
pythonjvmtwitter-apitwitter
twitter/finagle
Feb 2014 - Sep 2016
A fault tolerant, protocol-agnostic RPC system
Role in this project:Back-end Developer
Back-end DeveloperContributions:37 commits, 19 comments in 2 years 7 months
Contributions summary:Antoine primarily contributed to the Finagle project by modifying and adding features related to the HTTP and core components. Their work included adding a Dtab filter in RichHttp, making Dtab HTTP headers case-insensitive, and fixing issues with server parameter passing in Finagle-core. They also made modifications to server building and applied latency compensation as a Stack.Param. The user also addressed a cookie-related issue in the finagle-http component.
fault-tolerantrpcredismysqlfinagle
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