Samuel Kelemen is a Principal Security Engineer based in Stockholm with a decade of hands-on experience securing cloud-native platforms and large-scale consumer services. He has held senior security roles at Spotify, CloudQuery, Einride, King and currently Lovable, focusing on GCP policy, infrastructure hardening and pragmatic vulnerability remediation. A prolific open-source contributor, Samuel has fixed GCP policy and DNSSEC checks in CloudQuery and mixed practical full-stack JavaScript contributions with cloud governance work, reflecting a blend of offensive and defensive instincts. He pairs rigorous engineering with product-aware security practices, often surfacing subtle infrastructure bugs like broken file paths and service-account key handling. Fluent in building policy-driven controls, Samuel also brings an uncommon background in Russian studies alongside formal training in computer science and cybersecurity, a combination that supports both technical depth and broader analytical perspective.
10 years of coding experience
15 years of employment as a software developer
General Studies, General Studies at Lorain County Community College
Diploma, General Studies, Diploma, General Studies at Westlake High School
Russian Studies, Russian Studies at Cuyahoga Community College
Computer Science and Cyber Security, Computer Science and Cyber Security at University of Alabama in Huntsville
Contributions:29 commits, 26 PRs, 17 comments in 2 years 6 months
Contributions summary:Samuel contributed a variety of JavaScript functions to the repository, focusing on adding diverse functionalities. These additions included features like disabling right-click, preventing dragging, disallowing keyboard copy, and controlling the browser's behavior. They also implemented utility functions such as getting the current year, calculating a modulo, and providing a "hacktoberfest" greeting, demonstrating a breadth of coding interests. The user also made some code changes in existing files.
The open source high performance ELT framework powered by Apache Arrow
Role in this project:
Cloud Engineer
Contributions:10 reviews, 9 commits, 17 PRs in 1 month
Contributions summary:Samuel primarily contributes to GCP policy and infrastructure related changes within the CloudQuery project. They fixed bugs in GCP policy queries, specifically addressing issues in service account and DNSSEC checks. The user also addressed a broken file path, and updated the service account keys skipping a field. Additionally the user contributed to a blog post related to GCP and Kubernetes.
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Samuel Kelemen - Principal Security Engineer at Lovable