Jeffallan

This skill helps you build Shopify themes, apps, and headless storefronts with Liquid, Storefront API, and optimized checkout flows.

This skill helps you design and implement modular NestJS backends with DI, DTOs, guards, and TypeORM or Prisma integration.

This skill helps you design and optimize Flutter 3+ apps with const widgets, Riverpod, GoRouter, and platform-specific implementations for high performance.

This skill helps you build idiomatic, high-performance Go microservices and concurrent applications with generics, gRPC, and robust testing.

This skill helps you build modern ES2023+ vanilla JavaScript apps, optimize performance, and implement robust async patterns across modules and Node.js.

This skill acts as a seasoned code reviewer, delivering actionable feedback on correctness, security, and maintainability to improve PR quality.

This skill helps you design, optimize, and secure Django REST APIs with Django 5.0, DRF, and ORM best practices.

This skill designs and evaluates prompts to maximize LLM performance, reducing tokens and latency while ensuring reliability across tasks.

This skill helps design and optimize retrieval-augmented generation systems with vector databases, chunking, and evaluation for reliable knowledge grounding.

This skill acts as a senior Rails expert to optimize Rails 7+ apps, Hotwire, and background jobs with best practices and maintainable patterns.

This skill helps you optimize large language model fine-tuning using parameter-efficient methods, dataset validation, and production deployment.

This skill helps you design and operate production-grade ML pipelines, orchestrating training, feature stores, and experiment tracking for reliable ML

This skill helps you build scalable Salesforce apps by applying Apex, LWC, and DX best practices, optimizing queries, and handling governor limits.

This skill helps you design and implement comprehensive monitoring, logging, metrics, and alerting systems for reliable production observability.

This skill helps you define new features, gather requirements, and write precise EARS-based specs with thorough validation and planning.

This skill helps you integrate Atlassian MCP for Jira and Confluence, enabling secure automation, queries, and documentation sync across tools.

This skill helps you develop compact, power-efficient firmware for ARM Cortex-M and ESP32 with RTOS, optimizing timing, memory, and reliability.

This skill helps you design and implement robust Kotlin applications with coroutines, Flow, and multiplatform patterns across Android, server, and libraries.

This skill acts as a senior pandas pro to optimize data cleaning, transformation, and analysis with vectorized, memory-efficient operations for large

This skill helps you build scalable .NET 8 minimal APIs and clean architecture apps with CQRS, EF Core, and security.

This skill helps you systematically diagnose and resolve errors by reproducing, isolating, hypothesizing, and testing fixes with thorough evidence and

This skill helps you design scalable GraphQL schemas and federations with DataLoader, subscriptions, and query optimization.

This skill helps you design and optimize Unity, Unreal, and ECS game systems for 60+ FPS, using best-practice patterns.

This skill helps you build cross-platform React Native apps with Expo, optimize navigation and FlatList performance, and ensure robust platform handling.

This skill helps you design memory-safe Rust applications with ownership, traits, and async patterns, delivering high performance and reliable systems.

This skill helps you implement secure full-stack features from API design to UI, integrating frontend, backend, and security considerations.

This skill helps design scalable distributed systems by defining service boundaries, data ownership, and resilience patterns for microservices.

This skill helps optimize database performance by analyzing queries and plans, designing indexes, and tuning configurations for PostgreSQL and MySQL.

This skill helps you build high-performance Next.js 14+ apps with App Router, server components, and SEO-driven deployment.

This skill helps you deploy secure, production-grade Kubernetes workloads by designing manifests, enforcing RBAC, NetworkPolicies, and robust health checks.

This skill helps optimize PostgreSQL performance by analyzing queries, designing indexes, configuring replication, and maintaining health with best-practice

This skill helps you design and implement enterprise Spring Boot microservices with Java 21, Reactive WebFlux, and clean architecture patterns.

This skill helps you build robust PHP 8.3+ applications with Laravel or Symfony using strict typing, PSR standards, and PHPStan 9.

This skill helps you build type-safe, async-first Python 3.11+ applications with production-grade patterns, tests, and robust tooling.