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Web Styling refers to the process of applying visual aesthetics to a website. It includes layout design, color schemes, typography, responsive design, and animations. Tools often used for styling include CSS, pre-processors like Sass or Less, and libraries like Bootstrap.

Web Styling

Web Performance refers to the speed and efficiency with which webpages are downloaded and displayed on a user's web browser. Factors affecting performance include server speed, file sizes, and coding efficiency

Web Perfomance

JavaScript is a high-level, interpreted programming language widely used to make web pages interactive. It allows developers to implement complex features on web pages, like displaying timely content updates, interactive maps, animated 2D/3D graphics, and scrolling video jukeboxes.

They refer to the basic concepts and principles that are essential to understand and construct websites effectively, such as HTML, HTTP, API queries, etc.

Web Fundamentals

System Design refers to the process of defining the architecture, modules, interfaces, and data for a system to satisfy specified requirements. It aims to ensure the system meets functionality, reliability, performance, scalability and security needs.

System Design

Testing in software development is the process of evaluating a system or its components with the intent to find whether it satisfies the specified requirements. This includes unit testing, integration testing, system testing, and acceptance testing

Testing

FE (Front-End) Build/Working Tools refer to the various tools used in the development process to create a more efficient workflow. This includes task runners like Grunt and Gulp, module bundlers like Webpack, compilers like Babel, and version control systems like Git

FE Build/Working Tools

I'm a passionate Frontend developer with extensive experience in building scalable, high-quality web applications using the latest versions of Angular. I've also explored the realm of Fullstack development with Java and Angular. I enjoy sharing my knowledge and working collaboratively to find creative solutions. As an interviewer, I've developed valuable skills in talent assessment and identifying key abilities in candidates.

Fernando Moya 

React is a JavaScript library for building user interfaces, particularly single-page applications where you need a fast, interactive user experience. Developed by Facebook, React allows developers to create large web applications that can change data, without reloading the page. Its key feature is the ability to build components, which are reusable and can manage their own state.

CSS Fundamentals involve the core principles and properties used in styling web pages. This includes understanding selectors, the box model, positioning, color, typography, layouts with Flexbox and Grid, as well as handling responsiveness and media queries.

CSS Fundamentals

CSS Frameworks are libraries used to ease and speed up styling of web pages. They provide pre-written CSS that can be used out of the box, offering consistent styling, a responsive design grid, and often custom components. Examples include Bootstrap, Tailwind CSS, and Bulma.

CSS Frameworks

Performance Strategies in web development are techniques designed to improve the efficiency and speed of websites. These include minification, lazy loading, bundle optimization, caching, virtualization, and image compression

Performance Strategies

Performance DevTools are a set of tools used by developers to inspect, debug, and profile the performance of web applications. Examples include the Performance Tab by Browser, React DevTools, and React Profiler.

Performance DevTools

Debugging in JavaScript involves identifying, isolating, and fixing errors or bugs in the code. This process can be facilitated by using tools such as console.log(), debuggers like the one provided in browser DevTools, and using breakpoints, stepping, watch expressions, and call stacks.

Debugging

Asynchronous programming in JavaScript involves handling operations that are executed without blocking the execution of the rest of the code. This is crucial for tasks like fetching data, reading files, or anything that could potentially take time. Concepts include callbacks, promises, and async/await syntax.

Asynchronous Programming

Fundamentals in JavaScript are foundational knowledge needed to develop effectively in this language. They include understanding data types, operators, functional programming concepts, prototype inheritance, hoisting, closures, the event loop, and event bubbling, among other core concepts.

Fundamentals

"API Calls are requests sent from a client to a server using an Application Programming Interface (API), requesting specific data or functionality."



APIs Calls

"Error Handling is the process of responding to and managing errors that occur during the execution of a program, improving the program's robustness."



Error Handling

APIs, or Application Programming Interfaces, are sets of rules and protocols that allow different software applications to communicate and interact with each other. They can be used to access functionalities of other software components.

APIs

HTML (HyperText Markup Language) is a standardized system for creating and structuring web pages. It uses tags to define content elements like headings, paragraphs, images, and links, allowing browsers to interpret and display the page's structure and content.

HTML

The Browser Console is a development tool in web browsers that logs information associated with a webpage, such as errors, warnings, or diagnostic information.

Browser Console

"GraphQL is a data query and manipulation language for APIs, enabling clients to request exactly the data they need, making it an alternative to REST."



GraphQL

Component-based architecture is a method in software engineering where functionality is separated into independent, reusable components. This approach allows for more manageable code, easier testing, and better encapsulation. It's often used in frameworks like React and methodologies such as Atomic Design and the usage of Compound Components.

Component-based

Architecture in software development refers to the high-level structure of a software system and the discipline of creating such structures. It includes aspects like CSR vs SSR, SPA, pre-rendering, and rehydration, which impact how web applications are built and perform.

Architecture

Clean Code refers to writing code that is easy to understand, read, and change. This includes using meaningful variable and function names, avoiding code duplication through functions or classes (DRY principle), adhering to the Single Responsibility Principle, providing clear comments and documentation, avoiding magic numbers and hardcoding, and properly managing environment variables.



Clean Code

E2E Testing, or End-to-End Testing, is a methodology used to test whether the flow of an application is behaving as expected from start to finish. It simulates real user scenarios, ensuring all interconnected systems work together as expected.

E2E Testing

Unit Testing involves testing individual units of code, like functions or methods, to ensure they perform as expected. Component Testing is a similar concept in frontend development, where individual components (like in React or Vue) are tested in isolation.

Unit Testing / Components Testing

Cloud Services/Tools are resources provided over the internet by cloud computing providers. These services can include storage solutions like Amazon S3, computing power like Amazon EC2, machine learning tools like Google AI Platform, and database systems like Microsoft Azure SQL Database

Cloud Services/Tools

React Core concepts include components, JSX (syntax extension that allows mixing HTML with JavaScript), state (object that stores component's dynamic data), props (parameters passed to child components), lifecycle methods (hooks that allow you to run code at particular times in a component's life), and the virtual DOM (technique for optimizing rendering and improving app's performance)

React Core

Components are the building blocks of any React application. A component is a JavaScript function or class that optionally accepts inputs, or props, and returns a React element that describes how a section of the UI should appear. Components allow for code reuse and simplify complex UIs by breaking them down into manageable parts.

Components

React Hooks are a feature introduced in React 16.8 that allow you to use state and other React features without writing a class. Hooks such as useState, useEffect, and useContext enable you to manage state and lifecycle events in functional components, and share stateful logic between components.

React Hooks

State management in React involves handling the data that a component maintains and manipulates over its lifecycle. It can be managed locally within a component, or globally using state management libraries like Redux or Context API. Effective state management can help keep your app scalable, maintainable, and understandable.

State Management

React Performance relates to optimizing a React application to make it faster and more efficient. This can involve techniques like lazy loading components, memoizing components with React.memo, using keys properly, eliminating unnecessary re-renders, and leveraging the Profiler API or Chrome DevTools for performance debugging.

Elisa

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| Technology Evaluated React.js

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