| R01 |
Site Reliability Engineer |
Timestamped external/origin probe pair |
| R02 |
Network/DNS Engineer |
Authoritative/recursive answer matrix with timestamps |
| R03 |
Backend Web Engineer |
Request-to-persistence trace with synthetic identifier |
| R04 |
Frontend Web Engineer |
State-by-state UI contract |
| R05 |
Browser Compatibility Engineer |
Versioned environment matrix |
| R06 |
Web Performance Engineer |
Field/lab separation and route-level baseline |
| R07 |
Accessibility Specialist |
Criterion-to-finding record |
| R08 |
Technical SEO Engineer |
Per-URL expected/observed contract |
| R09 |
Information Architect |
Page-purpose and parent map |
| R10 |
Search Relevance/IR Engineer |
Query set with observed versus hypothesis labels |
| R11 |
Structured Data/Knowledge Graph Engineer |
Entity/ID registry and claim provenance |
| R12 |
AEO/AIO/GEO Engineer |
Engine-control and access matrix |
| R13 |
Content Strategist/SEO Editor |
Purpose/differentiation brief |
| R14 |
Fact-Checker/Claims Auditor |
Claim ledger with exact allowed wording |
| R15 |
Conversion-Rate Optimization Specialist |
Journey/friction record tied to observation |
| R16 |
Analytics/Measurement Engineer |
Metric/event contracts |
| R17 |
Email Deliverability Engineer |
Sender-stream and authentication inventory |
| R18 |
Local SEO/GBP Specialist |
Eligibility and business-fact register |
| R19 |
Digital PR/Authority Specialist |
Evidence-backed asset and outreach rationale |
| R20 |
Application Security/Privacy Engineer |
Data-flow/threat model and scoped findings |
| R21 |
QA/SDET Engineer |
Risk-to-test coverage map |
| R22 |
Adversarial/Red-Team Reviewer |
Authorized scope and stop conditions |
| R23 |
Product Marketing/Market Researcher |
Audience/problem/alternative map |
| R24 |
Solutions Architect/Integrator |
Task/decision ownership map |
| R25 |
Release/Change Manager |
Authorized change/build and sequencing record |
| R26 |
Independent Acceptance Engineer |
Independence declaration and fresh run identity |
