Guillaume Breton
Research Engineer at Mistral AI
Greater Toulouse Metropolitan Area France
Summary
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Rockstar🎓
Top SchoolGuillaume Breton is a research engineer with 11 years of experience building resilient, cloud-native backend and platform systems, currently at Mistral AI after a senior backend role at Stripe. He has led platform teams at Monzo where he delivered a Backstage-based developer portal used by 150 engineers, built robust Kafka and monitoring stacks, and scaled Kubernetes deployments to support high-velocity releases. At Stripe he focused on ownership and access control for billions of S3 objects and microservice authentication integrations, demonstrating expertise in secure, large-scale data access. His background spans Golang, Kubernetes, Prometheus, Envoy, Kafka and AWS, with earlier experience building messaging services and embedded-device backends. Known for improving operational reliability (alerting, autoscaling, incident tooling) and developer experience, he blends hands-on engineering with team leadership and pragmatic infrastructure design.
11 years of coding experience
18 years of employment as a software developer
Master degree Software engineering and Information Systems, Master degree Software engineering and Information Systems at Université Paul Sabatier Toulouse IIIBachelor's degree Software engineering, Bachelor's degree Software engineering at IUT Paul sabatier
French, English
Stackoverflow
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0reached
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Github Skills (78)
streaming10
tmux10
sarama9
reactive9
akka9
pipeline9
high-performance9
riemann9
slack-bot9
concurrency9
k8s9
tekton9
resource-management9
concurrent9
autoscaling9
Programming languages (12)
Github contributions (5)
guillaumebreton/nix-config
Jun 2021 - Jan 2023
Nix configuration for my mac osx laptops
Contributions:68 commits, 8 PRs, 266 pushes in 1 year 7 months
guillaumebreton/notb.re
Sep 2022 - Jun 2023
Contributions:36 PRs, 98 pushes, 39 branches in 10 months
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