Mostafa Moradian is a Lead Security Engineer based in Stockholm with nine years of experience building and securing cloud-native systems and developer tooling. He has led security efforts at Tiger Data and previously at Grafana Labs, where he developed security products on Kubernetes and the LGTM stack after k6's acquisition. A pragmatic full-stack back-end engineer, Mostafa has contributed to high-profile open-source projects like k6-docs and Logto—improving documentation, OpenAPI behaviors, and API clarity to make security and identity tooling easier to adopt. His background ranges from large-scale telecom hardening and penetration testing to leading engineering teams and mentoring juniors, giving him both offensive and defensive security instincts. Outside work he chairs GDG Sweden, helping scale developer education and community events across the region. Colleagues describe him as a builder who pairs deep technical rigor with a focus on shipping usable, well-documented systems.
9 years of coding experience
11 years of employment as a software developer
Master of Science (M.Sc.) Computer Software Engineering, Master of Science (M.Sc.) Computer Software Engineering at Azad University (IAU)
Contributions:4 releases, 12 reviews, 74 commits in 2 years
Contributions summary:Mostafa primarily contributed to the k6-docs repository by updating and expanding the documentation. Their work included fixing function signatures and redirects, adding visualizations for cloudwatch results, and incorporating documentation for SAML SSO integrations with Okta. They improved content organization and wording, and addressed review suggestions, improving clarity and accuracy across the documentation. The commits focused on improving the completeness and usability of the documentation for various features and integrations.
🧑🚀 An identity and access management (IAM) infrastructure with authentication, authorization, MFA, SSO, user management, and multi-tenancy features. Supports OAuth 2.0, OIDC, and SAML. No framework restrictions.
Role in this project:
Back-end Developer
Contributions:2 reviews, 5 PRs, 5 comments in 1 month
Contributions summary:Mostafa focused on enhancing the API documentation and functionality within the Logto project. They implemented features like custom parameter handling for OpenAPI specifications, including the introduction of `tenantId` and operation IDs. Additionally, the user added content schema to HTTP 201 messages and incorporated advanced search parameters. This work involved modifying core route definitions and swagger generation utilities, indicating a focus on improving API clarity and usability.
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Mostafa Moradian - Lead Security Engineer at GDG Sweden