Opinionated conventions for reliable, schema-governed Kafka event streaming and consumers.
Reviews PostgreSQL and MySQL schema migrations (raw SQL or ORM-generated) for table locks, rewrites, data loss, and breaking changes, then proposes safe zero-downtime rewrites with a clear verdict.
Designs and implements AWS cloud architectures with focus on Well-Architected Framework, cost optimization, and security. Use when: 1. Designing or reviewing AWS infrastructure architecture 2. Migrating workloads to AWS or between AWS services 3. Optimizing AWS costs (right-sizing, Reserved Instances, Savings Plans) 4. Implementing AWS security, compliance, or disaster recovery 5. Troubleshooting AWS service issues or performance problems
Tests and remediates accessibility issues for WCAG compliance and assistive technology compatibility. Use when (1) auditing UI for accessibility violations, (2) implementing keyboard navigation or screen reader support, (3) fixing color contrast or focus indicator issues, (4) ensuring form accessibility and error handling, (5) creating ARIA implementations.
Reviews and rewrites Git commit messages to Conventional Commits quality — clear type/scope, imperative subject, useful body explaining why — and trains the author with concrete before/after feedback.
Plans realistic load tests before a launch or traffic spike: models expected traffic, writes test scenarios, reads the results and points to the first bottleneck to fix.
Plans safe API call budgets across services and environments: maps quotas and burst limits, sizes caches and queues, and spots which jobs will trip 429s before they hit production.
Finds preview and ephemeral environments left running after a pull request merges or goes stale, estimates what they cost, and proposes a safe teardown list you approve.
Reviews database migrations in pull requests for locking, data loss and rollback risk before they reach production.
