Kin9Zeus/senior-engineer-skills
Skill Claude CodeCodex
Run a full-spectrum senior engineering audit of an existing codebase or product across 15 domains — security, data, testing, architecture, API, DevOps, observability, performance, accessibility, SEO/web presence, privacy, docs, dependencies, DX and cost — producing a prioritised, verifiable findings report with a…
Kin9Zeus/senior-engineer-skills
Skill Claude CodeCodex
Architect, scaffold and guide the construction of a new project to senior professional standards — requirements, stack selection, architecture, data model, security baseline, CI/CD, testing, observability, legal and SEO surface — built in the right order so nothing expensive has to be retrofitted. Use when the user…
Kin9Zeus/senior-engineer-skills
Skill Claude CodeCodex
The go/no-go gate before shipping — a structured launch checklist across security, data, legal, operations, performance, accessibility and rollback, producing an explicit ship or do-not-ship decision with named blockers. Use when the user says "ready to launch", "go live", "ship it", "pre-launch", "launch checklist"…
Kin9Zeus/senior-engineer-skills
Skill Claude CodeCodex
Application security engineering — OWASP Top 10, authentication and object-level authorization, injection, XSS/CSP, CSRF, SSRF, secrets management, file uploads, security headers, dependency and supply-chain risk, and threat modelling. Use when reviewing or building anything touching login, sessions, tokens…
Kin9Zeus/senior-engineer-skills
Skill Claude CodeCodex
Operate as a senior engineering organization (principal engineer, senior fullstack, senior DBA, senior DevOps/SRE, security, QA, accessibility and privacy leads) for any non-trivial software work. Use when the user asks to audit, review, assess, harden, refactor, architect, scaffold, plan, build or ship a project or…
Kin9Zeus/senior-engineer-skills
Skill Claude CodeCodex
Test strategy and quality engineering — the test pyramid, what to test at each layer, meaningful coverage policy, integration and contract testing, E2E for critical journeys, test data and fixtures, flaky-test control, mutation testing, load and security testing, and CI gating. Use when the user says "tests"…
Kin9Zeus/senior-engineer-skills
Skill Claude CodeCodex
Audit and build the public surface of a website to professional standards — technical SEO (robots.txt, sitemap, canonicals, indexing, custom 404), on-page metadata (unique titles, meta descriptions, Open Graph and social share images, alt text), structured data including LocalBusiness and FAQ schema, internal linking…