{R}R Dev Notes


Found total of 7 articles.

The Engineering of Intent, Chapter 29: Vibe Coding in the Backend

Chapter 29 of The Engineering of Intent blog series. Backends are unusually well suited to agentic development — but each subdomain has characteristic failure modes. A teaser on API design, migrations, job idempotency, caching, auth, and the billing-service rewrite that shipped in four months via extraction rather than vibes.
2026-05-15

Chapter 15: FAPI and High-Stakes Security — When the Defaults Aren't Enough

Chapter 15 of the OpenID: Modern Identity series — FAPI for high-stakes scenarios: what FAPI 1.0 Advanced and 2.0 require, Pushed Authorization Requests (PAR), JWT-Secured Authorization Requests (JAR), and migrating from FAPI 1.0 Advanced to FAPI 2.0.
2026-03-21

Chapter 8: Securing Backend APIs — Bearer Tokens, Scopes, and Service-to-Service

Chapter 8 of the OpenID: Modern Identity series — securing backend APIs with bearer tokens, scope design for least privilege, token introspection versus local JWT validation, and the three mechanisms for service-to-service authentication.
2026-03-14

Chapter 5: Tokens in Depth — What's Actually in That JWT

Chapter 5 of the OpenID: Modern Identity series — what's really inside an ID Token, Access Token, and Refresh Token, how JWTs are structured, how to validate signatures correctly, and how DPoP and mTLS bind tokens to their legitimate holders.
2026-03-11

Chapter 3: Core Concepts — The Vocabulary of OpenID Connect

Chapter 3 of the OpenID: Modern Identity series — the IdP/RP/user triangle, claims and JWTs, the three OIDC token types, consent and scopes, sessions vs tokens, and the boundary between authentication and authorization.
2026-03-09

Chapter 2: From OpenID to OpenID Connect — How the Industry Got This One Right

Chapter 2 of the OpenID: Modern Identity series — tracing how the industry moved from the original OpenID and SAML through OAuth 2.0 to OpenID Connect, and when to reach for each standard.
2026-03-08

OpenID: Modern Identity for Developers and Architects — A 22-Part Blog Series

Introduction and index for the 22-part blog series based on OpenID: Modern Identity for Developers and Architects by Sho Shimoda — with links to every chapter from Why Identity Is Hard through Identity in AI Systems.
2026-03-06