Arkadiy Tetelman
Principal Security Architect at Chime
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolArkadiy Tetelman is a Principal Security Architect based in San Francisco with 13 years of experience building and operationalizing application and infrastructure security at scale. He led and grew Chime’s App & Infra Security teams, embedding preventative controls across AWS, Kubernetes and CI/CD while partnering closely with engineering via security champions and secure-by-default Terraform modules. Arkadiy combines deep hands-on technical skills—authoring CI/CD, CLI tooling and SSRF-resistant data collection for open-source bounty-targets—with a pragmatic, collaborative approach to risk reduction and developer enablement. His background spans senior security roles at Lob, Airbnb and Twitter and early-career backend engineering, giving him a rare blend of offensive, defensive and platform engineering perspective. He’s known for turning systemic vulnerability classes into automated mitigations and for treating security as a product that must be usable, scalable and empathetic to engineering teams.
13 years of coding experience
11 years of employment as a software developer
BS Computer Science Applied Mathematics, BS Computer Science Applied Mathematics at University of California, Berkeley
Stackoverflow
1reputation
297reached
0answers
1question
Github Skills (8)
devops10
ruby10
cli9
graphql8
git8
wpgraphql8
wordpress-graphql8
android6
Programming languages (16)
Github contributions (5)
arkadiyt/bounty-targets
Dec 2017 - Dec 2022
This project crawls bug bounty platform scopes (like Hackerone/Bugcrowd/Intigriti/etc) hourly and dumps them into the bounty-targets-data repo
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:8 reviews, 91 commits, 254 PRs in 5 years 1 month
Contributions summary:Arkadiy primarily worked on the back-end infrastructure and the deployment pipeline for the `bounty-targets` project. They implemented a command-line interface (CLI) for the project, which involves cloning and interacting with a separate data repository. The user also set up the CI/CD pipeline by creating the installation instructions. Furthermore, the user made multiple updates to the Bugcrowd, YesWeHack and Hackerone data gathering process, which involved integrating the use of SSRF filter.
yeswehackhackenproofvrpintigritihourly
arkadiyt/hn-stats
Mar 2018 - Jun 2022
Contributions:2 PRs, 5 pushes, 5 branches in 4 years 4 months
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