Batuhan Apaydın
Software Engineer at Chainguard
Ataşehir, Istanbul, Türkiye Turkey
Summary
🤩
Rockstar🎓
Top SchoolBatuhan Apaydın is a software engineer with a decade of experience focused on cloud-native systems and software supply chain security, currently contributing at Chainguard and previously at Trendyol. He is a CNCF ambassador and organizer of major Turkish cloud-native communities (KCD Turkey, CNCF Istanbul Chapter, DevOpsTr, Cloud Native Turkiye), bridging grassroots events with global projects. A prolific open-source contributor, Batuhan has added security and automation features to high-profile projects like cosign, Kyverno and arkade, and helped extend release tooling in goreleaser. He won “Best Sigstore Evangelist” and served on the first SigstoreCon program committee, reflecting deep, practical expertise in signing, attestation and image verification. Batuhan also publishes technical posts on official project sites and runs a 500+ member Twitter community on software supply chain security, showing a talent for translating complex security topics into accessible community-driven education.
10 years of coding experience
10 years of employment as a software developer
2.90 Bilgisayar Mühendisliği, 2.90 Bilgisayar Mühendisliği at Istanbul UniversityBachelor of Science (BS), Bachelor of Science (BS) at Kdz.Ereğli Anadolu Lisesi
Turkish, İngilizce
Stackoverflow
157reputation
31kreached
7answers
3questions
Github Skills (42)
kubernetes10
container10
docker10
group-policy10
hashicorp-vault10
policies10
dockers10
cosign10
cicd10
security10
gitlab10
automation10
containerd10
go10
api10
Programming languages (26)
Github contributions (5)
sigstore/cosign
May 2021 - Oct 2022
Code signing and transparency for containers and binaries
Role in this project:
Back-end & Security Engineer
Back-end & Security EngineerContributions:144 reviews, 54 commits, 62 PRs in 1 year 5 months
Contributions summary:Batuhan primarily contributed to the development and enhancement of the `cosign` project, focusing on command-line interface (CLI) improvements and integration with various security-related technologies. Their work included adding support for Kubernetes Secrets, Hashicorp Vault, and GitLab integration for key management and verification. They also improved the attestation process by adding support for well-known attestation specs and enhanced the `clean` command.
containerscryptographycosignsigningsign
alexellis/arkade
Nov 2020 - Dec 2021
Open Source Marketplace For Developer Tools
Role in this project:DevOps Engineer & Automation Engineer
DevOps Engineer & Automation EngineerContributions:6 reviews, 15 commits, 17 PRs in 1 year
Contributions summary:Batuhan primarily contributed to automating the installation and management of various developer tools within the arkade project. Their work involved adding support for installing CLIs like `nats`, `nerdctl`, `inlets-pro`, `trivy`, `flux`, `influx`, `rekor-cli`, `goreleaser`, `kubescape`, and `vcluster`. They also upgraded the versions of existing tools such as `docker-compose`. The contributions highlight a focus on expanding the functionality of arkade as a developer tool marketplace.
nginxdeveloper-toolsistiockadcli
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