@Jeffallan
I say yes to hard problems. Security Engineer | Fullstack Engineer 🐱cat dad 🏍️ motorcycle enthusiast
80 个技能3 个仓库 1.2万
Design GraphQL APIs with clear data types, efficient data retrieval, and example operations. Build combined APIs across services and real-time updates, while addressing repeated database requests, query cost limits, and access control for individual fields.
中文简介正在准备中。当前显示英语简介。
Build React components, forms, and custom hooks with TypeScript. Organize state and data fetching, debug rendering problems, migrate class components, and improve performance, with type checks and component tests to validate the implementation.
中文简介正在准备中。当前显示英语简介。
Review code changes and files for bugs, security risks, performance problems, design issues, and test coverage. Receive a structured report with prioritized findings, concrete improvement examples, positive feedback, and an overall review verdict.
中文简介正在准备中。当前显示英语简介。
Write and refactor C++20/23 applications, addressing memory management, concurrency, and performance bottlenecks. Produce interfaces, implementations, tests, and relevant CMake updates, then check runtime errors and measure performance before applying targeted optimizations.
中文简介正在准备中。当前显示英语简介。
Build Django web applications and REST APIs with Django REST Framework. This skill guides data models, input validation, views, authentication, permissions, and tests, while improving how applications retrieve related records from the database.
中文简介正在准备中。当前显示英语简介。
Build Rails 7+ applications with partial page updates, real-time connections, and background jobs. The skill implements Hotwire, Action Cable, and Sidekiq features, improves Active Record database queries, and writes RSpec tests.
中文简介正在准备中。当前显示英语简介。
Build .NET 8 APIs and backend services using C# 12, with clear separation of application responsibilities. The skill covers database access, authentication, API documentation, compilation checks, and integration tests that verify components working together.
中文简介正在准备中。当前显示英语简介。
Configure Django file storage on AWS S3 using django-storages and boto3. Separate public and private files, create temporary download or upload links, configure CloudFront delivery, and test storage behavior without accessing real S3 buckets.
中文简介正在准备中。当前显示英语简介。
Create Dockerfiles, automated build and deployment pipelines, Kubernetes configurations, and infrastructure templates. The skill also prepares deployment checks, rollback procedures, and incident response runbooks to support application releases and production operations.
中文简介正在准备中。当前显示英语简介。
Develop microcontroller firmware for STM32 or ESP32, including peripheral drivers and FreeRTOS tasks. The skill guides interrupt handling, memory and power optimization, and checks that time-sensitive operations meet their deadlines.
中文简介正在准备中。当前显示英语简介。
Connect AI agents to Jira and Confluence through MCP, a protocol for accessing external tools. This skill guides issue searches and updates, page management, sprint workflows, authentication setup, and troubleshooting of Atlassian integrations.
中文简介正在准备中。当前显示英语简介。
Design and improve prompts for language models, then test their accuracy and consistency. Create reusable templates, JSON output schemas that define response structure, evaluation criteria, and test cases while considering token use and model differences.
中文简介正在准备中。当前显示英语简介。
Build Laravel applications with authenticated APIs, interactive interfaces, and background jobs. The skill guides database relationships, query optimization, and feature tests, using tools such as Sanctum for authentication and Livewire for interfaces.
中文简介正在准备中。当前显示英语简介。
Create Playwright tests that check user journeys in a browser. The skill organizes reusable page interactions, configures test environments, investigates intermittent failures using execution traces, and supports API mocking, visual comparisons, and automated pipeline integration.
中文简介正在准备中。当前显示英语简介。
Write, review, and debug Rust applications, including ownership and borrowing rules that govern memory use. Covers trait-based APIs, explicit error handling, asynchronous work with tokio, and tests with Cargo validation.
中文简介正在准备中。当前显示英语简介。
Adapt large language models to specific tasks through fine-tuning, or additional training. Prepares and validates datasets, configures LoRA or QLoRA to train a small subset of parameters, and supplies training settings, evaluation scripts, and deployment optimization guidance.
中文简介正在准备中。当前显示英语简介。
Build game systems in Unity or Unreal Engine, including physics, AI, and multiplayer networking. The skill guides architecture, implementation, profiling, and testing to work toward frame rate targets and reduce memory use.
中文简介正在准备中。当前显示英语简介。
Investigate slow PostgreSQL and MySQL queries using execution plans, which show how the database runs a query. Develop index, SQL, and configuration changes, then compare measurements before and after each change to validate the results.
中文简介正在准备中。当前显示英语简介。
Build, debug, and refactor JavaScript applications for browsers and Node.js. Covers asynchronous tasks with async/await, module organization, performance checks, and test creation, with explicit error handling and modern ES2023+ syntax.
中文简介正在准备中。当前显示英语简介。
Plan and implement gradual upgrades of legacy systems while preserving existing business behavior. Map dependencies and risks, create migration stages and routing code, and prepare tests, monitoring, and rollback procedures to validate each step.
中文简介正在准备中。当前显示英语简介。
Design or review a system’s overall structure, compare technology choices, and plan for growth and failures. Produce architecture diagrams and Architecture Decision Records, documents that explain key choices, alternatives, and their consequences.
中文简介正在准备中。当前显示英语简介。
Set up application monitoring with structured logs, performance metrics, and traces that follow requests across services. Build dashboards and alerts, run load tests, investigate CPU and memory bottlenecks, and estimate future infrastructure capacity.
中文简介正在准备中。当前显示英语简介。
Turn a feature idea into a specification through structured questions about users, business goals, and technical constraints. Produce requirements, user stories, testable acceptance criteria, and an implementation checklist, including performance, security, and error handling.
中文简介正在准备中。当前显示英语简介。
Build Python APIs with FastAPI and Pydantic V2, including input validation, database operations that avoid blocking other work, and token-based authentication. Implement REST or WebSocket endpoints, then check their behavior with automated tests and generated API documentation.
中文简介正在准备中。当前显示英语简介。