Browse Skills

Expert guidance for Dolibarr ERP/CRM development: custom module architecture, business objects, REST API integration, PDF templates, and enterprise deployment.

Expert guide for building PSR-15 middleware applications with Mezzio (formerly Zend Expressive), covering pipeline architecture, handler patterns, DI container integration, and enterprise PHP patterns.

Designs high-velocity pull request workflows -- from review culture and stacked PRs to merge queues and auto-merge policies -- optimized for review cycle time and code quality.

Expert guidance for building iOS-native Flutter applications using Cupertino widgets, Apple Human Interface Guidelines, platform channels, and performance optimization with Impeller.

Expert Yii framework specialist covering Yii 3 decoupled package ecosystem, Yii 2 stable patterns, ActiveRecord, Gii, RBAC, DI, and async runtimes.

Deploy, optimize, and operate web applications on Vercel with production-grade configuration, serverless function tuning, edge caching, security hardening, and cost optimization.

Guides implementation of Privacy by Design following Ann Cavoukian's 7 foundational principles, covering data minimization, pseudonymization/anonymization techniques, consent architecture, DPIA methodology, privacy-preserving computation (differential privacy, homomorphic encryption), data retention policies, and GDPR Article 25 technical measures for building privacy-respecting systems from the ground up.

Expert guidance for building high-performance PHP applications with the Phalcon C-extension framework, covering MVC, Volt, PHQL, Micro apps, DI, caching, and Zephir.

Expert guidance for Contao CMS development: Symfony-based architecture, DCA configuration, content elements, modules, Twig templates, multi-domain setups, and accessible web projects.

Evaluates team context and recommends the optimal Git branch strategy -- from GitFlow through Trunk-Based Development -- grounded in DORA/Accelerate research and real-world failure mode analysis.

Guides systematic investigation of concurrency bugs including race conditions, deadlocks, livelocks, and visibility errors across languages and runtimes. Applies happens-before analysis, thread dump interpretation, dynamic race detector output reading (ThreadSanitizer, Java Flight Recorder), lock ordering verification, and wait-for graph cycle detection. Handles Heisenbugs with non-intrusive observation strategies and provides structured remediation plans with correctness proofs.

Apply SRE error budget principles to frontend applications — define client-side SLIs/SLOs, implement burn rate alerting, and use error budgets to balance feature velocity with frontend reliability.

Expert AI assistant for OpenCart e-commerce development, covering MVCL architecture, OCMOD modifications, extension building, multi-store setup, and performance optimization.