Remi Coste

Bangkok, Thailand

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Summary

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Rockstar

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Remi Coste is a seasoned Linux and DevOps engineer with 14 years’ experience delivering and supporting large-scale production environments across Europe and Asia, now based in Bangkok and available for 100% remote freelance work. He has strong datacenter and systems expertise—managing up to 1,000 servers, SANs and backup systems—and has implemented automation with Ansible, CI/CD pipelines and RedHat Satellite for enterprise fleets. Remi contributes to prominent open-source projects such as HAProxy and PowerDNS, improving stability, security and DoH/DoT integrations, and has worked on CI/build tooling for Google OSS-Fuzz, showing deep familiarity with fuzzing and complex build systems. Comfortable operating across Windows, AIX and multiple Linux distributions, he combines hands-on debugging in high-pressure on-call contexts with pragmatic automation and documentation skills. He splits time between France and Asia, bringing proven mobility and experience in multinational teams and cross-site operations.

14 years of coding experience

10 years of employment as a software developer

BTS informatique de gestion, Management Information Systems, General, BTS informatique de gestion, Management Information Systems, General at AFPA Créteil

thaï, English, French

Stackoverflow

Stats

4,745reputation

976kreached

89answers

0questions

Badges

ssl

top-5%

openssl

top-5%

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top-5%

Github Skills (41)

c-language10

ssl10

back-end-development10

bash10

c1110

cicd10

security10

c1710

automation10

automation-testing10

dns10

automations10

haproxy10

cprogramming-language10

fuzz-testing10

Programming languages (16)

PowerShellJavaC++CSSCRustMakefileM4

Github contributions (5)

PowerDNS/pdns

Nov 2015 - Jan 2023

PowerDNS Authoritative, PowerDNS Recursor, dnsdist

Role in this project:

Back-end Developer

Contributions:2713 reviews, 5763 commits, 4517 PRs in 7 years 4 months

Contributions summary:Remi primarily contributed to the back-end aspects of the PowerDNS (pdns) repository, focusing on DNS over HTTPS (DoH) and DNS over TLS (DoT) functionality within the dnsdist component. Their work involved implementing support for DoT backends, including code for handling TLS session resumption and health checks. They also introduced support for X-Forwarded-* headers for DoH backends, refactoring existing code to accommodate these features and improve overall performance.

dnsdistpowerdns-recursordnssystems-programmingrecursor

google/oss-fuzz

Dec 2018 - Nov 2022

OSS-Fuzz - continuous fuzzing for open source software.

Role in this project:

DevOps Engineer

Contributions:1 review, 6 commits, 10 PRs in 4 years

Contributions summary:Remi primarily contributed to the build and CI/CD processes for the OSS-Fuzz project, specifically for the PowerDNS integration. Their work involved modifying build scripts (`build.sh`) to incorporate new fuzzing targets, manage dependencies, and handle conditional build steps on different branches. They also addressed build issues related to missing directories and dependencies, ensuring the project could build correctly on stable branches and maintain CI-fuzz functionality. The commits show a deep understanding of the build process and the dependencies required for fuzzing the PowerDNS project.

oss-fuzzfuzz-testingossvulnerabilitiessecurity

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