wshobson

Upgrade React applications to latest versions, migrate from class components to hooks, and adopt concurrent features.

Build production React Native apps with Expo, navigation, native modules, offline sync, and cross-platform patterns.

Master modern React state management with Redux Toolkit, Zustand, Jotai, and React Query.

Design composable recommendation, ranking, and feed pipelines using the six-stage Source→Hydrator→Filter→Scorer→Selector→SideEffect…

Implement modern responsive layouts using container queries, fluid typography, CSS Grid, and mobile-first breakpoint strategies.

Calculate portfolio risk metrics including VaR, CVaR, Sharpe, Sortino, and drawdown analysis.

Master Rust async programming with Tokio, async traits, error handling, and concurrent patterns.

Implement saga patterns for distributed transactions and cross-aggregate workflows.

Configure Static Application Security Testing (SAST) tools for automated vulnerability detection in application code.

Test web applications with screen readers including VoiceOver, NVDA, and JAWS.

Implement secure secrets management for CI/CD pipelines using Vault, AWS Secrets Manager, or native platform solutions.

Derive security requirements from threat models and business context.