https://soumanpaul.github.io/blog/ Portfolio of Souman Paul, a full stack engineer, AI product builder, and GenAI systems builder focused on scalable web platforms, backend architecture, and applied AI workflows. en-US paul1729blr@gmail.com (Souman Paul) paul1729blr@gmail.com (Souman Paul) Sat, 28 Mar 2026 00:00:00 GMT https://soumanpaul.github.io/profile.jpg https://soumanpaul.github.io/ https://soumanpaul.github.io/blog/bff-frontend-architecture/ https://soumanpaul.github.io/blog/bff-frontend-architecture/ A practical look at the Backend-for-Frontend pattern, where it fits, and how it helps frontend teams ship faster without leaking backend complexity into the UI. Fri, 20 Mar 2026 00:00:00 GMT paul1729blr@gmail.com (Souman Paul) Architecture Frontend BFF APIs https://soumanpaul.github.io/blog/oauth2-practical-guide/ https://soumanpaul.github.io/blog/oauth2-practical-guide/ A practical explanation of OAuth 2.0 for product engineers: what problem it solves, how the authorization code flow works, and the mistakes that usually cause security bugs. Mon, 23 Mar 2026 00:00:00 GMT paul1729blr@gmail.com (Souman Paul) Security OAuth 2.0 Auth Frontend