Determine cause-and-effect relationships using propensity scoring, instrumental variables, and causal graphs for...
find ~/aj-geddes/ -name "*.skill"
Design and analyze A/B tests, calculate statistical significance, and determine sample sizes for conversion...
Design and implement CI/CD pipelines with GitHub Actions, GitLab CI, Jenkins, or CircleCI. Use for automated...
Deploy iOS and Android apps to App Store and Google Play. Covers signing, versioning, build configuration,...
Build binary and multiclass classification models using logistic regression, decision trees, and ensemble methods...
Implement secure API authentication with JWT, OAuth 2.0, API keys, and session management. Use when securing APIs,...
Plan and execute cloud migrations with assessment, database migration, application refactoring, and cutover...
Create system architecture diagrams using Mermaid, PlantUML, C4 model, flowcharts, and sequence diagrams. Use when...
Optimize cloud storage across AWS S3, Azure Blob, and GCP Cloud Storage with compression, partitioning, lifecycle...
Plan and execute effective sprints using Agile methodologies. Define sprint goals, estimate user stories, manage...
Write comprehensive code documentation including JSDoc, Python docstrings, inline comments, function documentation,...
Configure autoscaling for Kubernetes, VMs, and serverless workloads based on metrics, schedules, and custom indicators.
Analyze code complexity, cyclomatic complexity, maintainability index, and code churn using metrics tools. Use when...
Verify API contracts between services to ensure compatibility and prevent breaking changes. Use for contract...
Launch and configure EC2 instances with security groups, IAM roles, key pairs, AMIs, and auto-scaling. Use for...
Track and analyze user cohorts over time, calculate retention rates, and identify behavioral patterns for customer...
Implement Role-Based Access Control (RBAC), permissions management, and authorization policies. Use when building...
Implement comprehensive alert management with PagerDuty, escalation policies, and incident coordination. Use when...
Implement comprehensive API error handling with standardized error responses, logging, monitoring, and user-friendly...
Create and deploy serverless functions using AWS Lambda with event sources, permissions, layers, and environment...