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Oleksii, jQuery Developer

Ukraine
Last Updated: 26 Jun 2024
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- 10+ years of experience in web development, M.Sc in Software Engineering - Mastery of JavaScript and its associated frameworks and libraries, such as React, Angular, and Vue.js for front-end; Node.js, Next.js for back-end and React Native for mobile app development. - Experience with PHP and Cloud infrastructure such as AWS. - Proficiency in using version control systems (e.g., Git) and familiarity with DevOps practices for continuous integration and deployment (CI/CD). - Implementing and overseeing testing processes, including unit testing, integration testing, and end-to-end testing. - Experience leading and mentoring a team of developers, including assigning tasks, providing guidance, and ensuring the team's success. Ability to motivate and inspire team members, resolve conflicts, and provide constructive feedback. - Experience conducting assessments and interviews remotely.

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jQuery

jQuery

JavaScript

JavaScript   8 yr.

React

React   8 yr.

TypeScript

TypeScript   5 yr.

Node.js

Node.js   5 yr.

Next.js

Next.js   3 yr.

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Kostyantyn, jQuery Developer

Vinnitsa, Ukraine
Last Updated: 19 Jun 2024
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- 7 years of commercial experience with JavaScript, ECMAScript 6. - 5 years with Vue.js framework (including Vue 3 core principles, Style Guide, Composition API, official documentation of the framework) - Deep understanding of HTML5 and CSS3. - Interacting with API endpoints and other web services. - Converting UI/UX mockups into functional web applications with pixel perfection - Experience with responsive layout, web sites, mini applications in JS and SPA in Vue.js. - Familiar with SOLID, DRY and other clean code design principles. - Experience with UI components like UI Kit & Bootstrap - Unit tests (Cypress) - Projects with Wordpress - Intermediary English

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jQuery

jQuery

JavaScript

JavaScript   7 yr.

Vue.js

Vue.js   5 yr.

WordPress

WordPress   7 yr.

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Vlad L., jQuery Developer

Ukraine
Last Updated: 13 Dec 2023
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- 8 years of proven professional expertise in the IT industry; - Advanced experience in Web Development using JavaScript 7+ years; - Solid experience in software development using ReactJS and React Native (6+ years); - Good experience in Web development using PHP; - Beginner experience in Web Development using Ruby on Rails; - Beginner experience in Web Development using Java; - Upper-Intermediate English

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jQuery

jQuery

React

React   6 yr.

React Native

React Native   2 yr.

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Nikita S., jQuery Developer

Ukraine
Last Updated: 4 Jul 2023

- Strong knowledge and experience in object-oriented programming OOP. - Experience in developing of applications using WPF, WinForms, ASP.NET Core, and Angular. - xUnit testing is used for test cases. - Extensively worked with Version Control systems like GIT. - Experience of work with the NuGet Package Manager. Uploaded my own package. - Knowledge of SQL Server and SQL - Postman to test the API. - Development of websites using JS, TS, and CSS - A little experience in deploying containers in azure. - Pre-Intermediate English. - Available: ASAP

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jQuery

jQuery   2 yr.

.NET

.NET

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Alexander S, jQuery Developer

Republic of Moldova
Last Updated: 4 Jul 2023

- 8+ years of commercial experience in IT - Experience in developing web applications using Vue.JS (Vuex, Vuetify) - Intermediate English - Good logical thinking, high level of responsibility. Communicative, responsible, hardworking, result-oriented, and team player - Available ASAP

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jQuery

jQuery

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Vue.js

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Vuex

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Henry Akwerigbe August 30, 2023

This is a super team to work with. Through Upstaff, I have had multiple projects to work on. Work culture has been awesome, teammates have been super nice and collaborative, with a very professional management.There's always a project for you if you're into tech such Front-end, Back-end, Mobile Development, Fullstack, Data Analytics, QA, Machine Learning / AI, Web3, Gaming and lots more.It gets even better because many projects even allow full remote from anywhere!Nice job to the Upstaff Team 🙌🏽.

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Leaving a review to express how delighted I am to have found such a great side gig here. The project is intriguing, and I'm really enjoying the team dynamics. I'm also quite satisfied with the compensation aspect. It's crucial to feel valued for the work you put in.Overall, I'm grateful for the opportunity to contribute to this project and share my expertise. I'm thrilled to give a shoutout and recommendation to anyone seeking an engaging and rewarding work opportunity.

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I have been working with Upstaff for over a year on a project related to landscape design and management of contractors in land design projects. During the project, we have done a lot of work on migrating the project to a multitenant architecture and are currently working on new features from the backlog.When we started this project, the hiring processes were organized well. Everything went smoothly, and we were able to start working quickly. Payments always come on time, and there is always support from managers. All issues are resolved quickly.Overall, I am very happy with my experience working with Upstaff, and I recommend them to anyone looking for a new project. They are a reliable company that provides great projects and conditions. I highly recommend them to anyone looking for a partner for their next project.

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FAQs about jQuery Development

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If you urgently need a verified and qualified jQuery developer, and resources for finding the right candidate are lacking, Upstaff is exactly the service you need. We approach the selection of jQuery developers professionally, tailored precisely to your needs. From placing the call to the completion of your task by a qualified developer, only a few days will pass.

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AI tools and expert human reviewers in the vetting process are combined with a track record and historically collected feedback from clients and teammates. On average, we save over 50 hours for client teams in interviewing jQuery candidates for each job position. We are fueled by a passion for technical expertise, drawn from our deep understanding of the industry.

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Our journey starts with a 30-minute discovery call to explore your project challenges, technical needs, and team diversity. Meet Carefully Matched jQuery Talents. Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person. Validate Your Choice. Bring a new jQuery developer on board with a trial period to confirm that you’ve hired the right one. There are no termination fees or hidden costs.

How does Upstaff vet remote jQuery engineers? Arrow

Upstaff Managers conduct an introductory round with potential candidates to assess their soft skills. Additionally, the talent’s hard skills are evaluated through testing or verification by a qualified developer during a technical interview. The Upstaff Staffing Platform stores data on past and present jQuery candidates. Upstaff managers also assess talent and facilitate rapid work and scalability, offering clients valuable insights into their talent pipeline. Additionally, we have a matching system within the platform that operates in real-time, facilitating efficient pairing of candidates with suitable positions.

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Table of Contents

Soft skills of a jQuery Developer

Soft skills

Soft skills are just as important as technical skills for a jQuery Developer. They enable effective communication, collaboration, and problem-solving, enhancing the overall productivity and success of the development team.

Junior

  • Communication: Ability to clearly communicate ideas and requirements to team members and stakeholders.
  • Time management: Efficiently managing time and meeting deadlines for assigned tasks.
  • Attention to detail: Paying close attention to small details in code to ensure accuracy and quality.
  • Adaptability: Being flexible and open to learning new technologies and adapting to changing project requirements.
  • Team player: Collaborating effectively with team members to achieve project goals.

Middle

  • Leadership: Taking ownership of tasks and guiding junior developers in the team.
  • Problem-solving: Analyzing complex issues and finding innovative solutions using jQuery.
  • Critical thinking: Evaluating different approaches and making informed decisions.
  • Empathy: Understanding and considering the needs and perspectives of team members and stakeholders.
  • Mentoring: Sharing knowledge and providing guidance to junior developers.
  • Conflict resolution: Resolving conflicts and promoting a positive work environment.
  • Client management: Effectively communicating with clients and managing their expectations.

Senior

  • Strategic thinking: Developing long-term plans and strategies for software development projects.
  • Project management: Overseeing the entire development process and ensuring timely delivery.
  • Quality assurance: Implementing and enforcing coding standards and best practices.
  • Collaboration: Facilitating effective collaboration between different teams and departments.
  • Continuous learning: Keeping up with the latest trends and advancements in jQuery and web development.
  • Presentation skills: Presenting complex technical concepts to non-technical stakeholders.
  • Client relationship management: Building and maintaining strong relationships with clients.
  • Decision-making: Making critical decisions based on analysis and experience.

Expert/Team Lead

  • Strategic leadership: Setting the overall direction and vision for the development team.
  • Team management: Managing and mentoring a team of developers, assigning tasks, and providing guidance.
  • Innovation: Driving innovation and exploring new technologies and techniques.
  • Business acumen: Understanding the business goals and aligning development strategies accordingly.
  • Negotiation skills: Negotiating contracts, timelines, and resources with clients and stakeholders.
  • Risk management: Identifying and mitigating risks associated with development projects.
  • Technical expertise: Having an in-depth understanding of jQuery and related technologies.
  • Strategic partnerships: Building and maintaining strategic partnerships with other organizations.
  • Client acquisition: Identifying and acquiring new clients for the development team.
  • Conflict resolution: Resolving conflicts and addressing any issues within the team.
  • Effective communication: Communicating effectively with team members, clients, and stakeholders.

What are top jQuery instruments and tools?

Instruments and tools
  • jQuery: jQuery is a fast, small, and feature-rich JavaScript library. It was released in 2006 by John Resig and has since become one of the most widely used JavaScript libraries. jQuery simplifies HTML document traversal, event handling, animating, and Ajax interactions for rapid web development. It has been adopted by numerous websites, including popular platforms like WordPress, Drupal, and Joomla.
  • jQuery UI: jQuery UI is a curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery library. It provides a collection of pre-built UI components such as date pickers, sliders, accordions, and dialog boxes, making it easier to create visually appealing and interactive web applications. jQuery UI was first released in 2007 and has gained popularity for its ease of use and extensive customization options.
  • jQuery Mobile: jQuery Mobile is a touch-optimized framework designed to create mobile web applications that work across a variety of devices and platforms. It provides a unified user interface system with built-in support for touch events, responsive layouts, and smooth transitions. jQuery Mobile was introduced in 2010 and has become a popular choice for developing mobile web apps due to its lightweight nature and cross-platform compatibility.
  • qUnit: qUnit is a JavaScript unit testing framework specifically designed for testing jQuery-based applications. It offers a simple and intuitive syntax for writing test cases, assertions, and test suites. qUnit was developed by jQuery’s core team and has been widely adopted for its ease of use and seamless integration with other testing tools and frameworks.
  • jQuery Validation: jQuery Validation is a lightweight and flexible validation plugin that provides an easy way to validate form inputs on the client-side. It supports various validation rules, error messages, and customizations, making it a popular choice for form validation in web applications. jQuery Validation has been actively maintained and updated since its initial release in 2006.
  • Slick: Slick is a responsive carousel and slider plugin for jQuery. It allows developers to create elegant and customizable sliders with smooth transitions and touch support. Slick is known for its performance optimization techniques, including lazy loading and adaptive height adjustment, making it a preferred choice for creating visually appealing image galleries and content sliders.
  • DataTable: DataTable is a powerful jQuery plugin that enhances HTML tables with advanced features such as sorting, filtering, pagination, and data manipulation. It provides an efficient way to handle large datasets and allows developers to create interactive and dynamic tables with minimal coding. DataTable has gained popularity for its versatility and extensive customization options.

How and where is jQuery used?

How and where
Case NameCase Description
Dynamic Content ManipulationjQuery allows developers to easily manipulate and update HTML content on the fly. For example, if you have a web page with a list of items, you can use jQuery to add, remove, or modify items without reloading the entire page. This can improve the user experience by providing real-time updates and reducing the need for page refreshes.
Form ValidationjQuery provides powerful form validation capabilities, allowing developers to easily validate user input before submitting it to the server. This can help prevent errors and improve data integrity. For instance, you can use jQuery to check if a required field is filled out, validate email addresses, or enforce specific input formats.
Event HandlingWith jQuery, developers can easily handle user interactions and events on web pages. This includes actions like clicking a button, hovering over an element, or submitting a form. jQuery simplifies event handling by providing a consistent syntax and cross-browser compatibility, making it easier to create interactive and responsive web applications.
Animation and EffectsjQuery includes a wide range of animation and effects methods that can be used to enhance the visual appeal of web pages. Developers can create smooth transitions, fade in/out effects, sliding panels, and much more. These animations and effects can make the user interface more engaging and improve overall user satisfaction.
AJAX IntegrationjQuery simplifies the process of making AJAX (Asynchronous JavaScript and XML) requests to the server. It provides a convenient set of methods to send and receive data asynchronously, allowing developers to update parts of a web page without reloading the entire page. This can lead to faster and more responsive web applications.
Responsive Web DesignjQuery can be used to build responsive web designs that adapt to different screen sizes and devices. It provides features like media queries, which allow developers to apply different styles based on the device’s capabilities. With jQuery, you can create websites that are mobile-friendly and provide a consistent user experience across various devices.

Cases when jQuery does not work

Does not work
  1. jQuery does not work if the jQuery library is not included or properly loaded in the HTML file. To ensure jQuery is loaded correctly, make sure to include the jQuery library using the script tag and verify that the file path is correct.
  2. Another reason jQuery may not work is if there is a conflict with another JavaScript library or framework. If multiple libraries are being used on a webpage, there is a possibility of conflicting syntax or naming conventions. In such cases, it is recommended to use the jQuery.noConflict() method to avoid conflicts and ensure the smooth functioning of jQuery.
  3. If the jQuery selectors used in the code do not match any elements on the page, jQuery will not work as expected. It is essential to double-check the selectors to ensure they are targeting the correct elements. Inspecting the HTML structure and using browser developer tools can help identify any issues with selectors.
  4. jQuery may not work if the JavaScript code containing jQuery functions is placed before the HTML elements it is trying to manipulate. JavaScript code should be placed either at the end of the HTML file or inside a document ready event handler to ensure that the DOM elements are fully loaded before manipulating them with jQuery.
  5. Outdated versions of jQuery might not work with newer features or syntax. It is crucial to use the latest version of jQuery to take advantage of bug fixes, performance improvements, and compatibility with modern web standards.
  6. Browser compatibility can also affect the functioning of jQuery. While jQuery is designed to work across different browsers, there may be certain inconsistencies or issues in specific browser versions. Checking the jQuery documentation for any browser-specific considerations can help resolve such issues.
  7. If the web page is using a Content Security Policy (CSP) that restricts the use of external scripts, it may prevent jQuery from being loaded or executed. In such cases, the CSP rules need to be modified to allow the use of jQuery.
  8. In some cases, conflicts with other jQuery plugins or custom JavaScript code can cause jQuery to malfunction. It is essential to review and debug the code to identify any conflicts or errors that may be interfering with jQuery’s functionality.

Let’s consider Difference between Junior, Middle, Senior, Expert/Team Lead developer roles.

Seniority NameYears of experienceResponsibilities and activitiesAverage salary (USD/year)
Junior Developer0-2 yearsAssisting senior developers in coding and testing, bug fixing, learning new technologies, and participating in code reviews.$50,000 – $70,000
Middle Developer2-5 yearsDeveloping software solutions, writing and debugging code, participating in system design, collaborating with team members, and providing technical guidance to junior developers.$70,000 – $90,000
Senior Developer5-10 yearsLeading software development projects, designing and architecting complex systems, mentoring junior and middle developers, conducting code reviews, and ensuring code quality and performance.$90,000 – $120,000
Expert/Team Lead Developer10+ yearsLeading a team of developers, overseeing project planning and execution, making technical decisions, driving innovation, collaborating with stakeholders, and ensuring the successful delivery of software solutions.$120,000 – $150,000+

TOP 10 jQuery Related Technologies

Related Technologies
  • JavaScript

    JavaScript is the fundamental language for jQuery software development. It is a high-level, interpreted programming language that allows developers to create dynamic and interactive web pages. With JavaScript, you can manipulate HTML elements, handle events, and create animations.

  • jQuery

    jQuery is a fast, small, and feature-rich JavaScript library. It simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development. jQuery has a large and active community, making it easy to find support and plenty of plugins to extend its functionality.

  • AJAX

    Asynchronous JavaScript and XML (AJAX) is a set of web development techniques that allows web pages to update asynchronously by exchanging data with a web server in the background. jQuery provides a simple and efficient way to work with AJAX, making it easier to retrieve and send data without refreshing the entire web page.

  • HTML5

    HTML5 is the latest version of the Hypertext Markup Language, the standard markup language for creating web pages and applications. jQuery works seamlessly with HTML5, providing enhanced capabilities for creating interactive and multimedia-rich web experiences.

  • CSS3

    Cascading Style Sheets (CSS) is a style sheet language used for describing the look and formatting of a document written in HTML. CSS3 is the latest version, introducing new features like animations, transitions, and responsive design. jQuery can be used in conjunction with CSS3 to enhance the visual appeal and user experience of web applications.

  • Bootstrap

    Bootstrap is a popular front-end framework that provides a collection of CSS and JavaScript components for building responsive and mobile-first websites. jQuery is often used alongside Bootstrap to add dynamic functionality and interactivity to web pages.

  • Node.js

    Node.js is a server-side JavaScript runtime environment that allows developers to build scalable and high-performance network applications. jQuery can be used with Node.js to handle server-side rendering, perform database operations, and create real-time web applications.

Pros & cons of jQuery

Pros & cons

6 Pros of jQuery

  • Efficient DOM Manipulation: jQuery provides a simplified way to manipulate and traverse the Document Object Model (DOM), resulting in faster and more efficient code execution.
  • Rich Plugin Ecosystem: jQuery has a vast collection of plugins that extend its functionality, allowing developers to easily add features like image sliders, form validations, and interactive charts to their web applications.
  • Cross-Browser Compatibility: jQuery takes care of the differences between various web browsers, ensuring consistent behavior and compatibility across different platforms and versions.
  • Event Handling: jQuery simplifies event handling by providing a unified interface to bind, unbind, and trigger events, making it easier to create interactive and responsive web pages.
  • AJAX Support: jQuery includes built-in methods for making asynchronous HTTP requests, making it easier to implement features such as dynamic content loading and form submissions without page refresh.
  • Animation Effects: jQuery provides a powerful set of animation methods that allow developers to create smooth and visually appealing transitions, enhancing the user experience.

6 Cons of jQuery

  • Performance Overhead: While jQuery simplifies development, it can introduce performance overhead due to its abstraction layer and additional function calls compared to native JavaScript.
  • Learning Curve: Although jQuery is relatively easy to learn, mastering advanced concepts and techniques may require additional time and effort.
  • Dependency on External Libraries: jQuery relies on external libraries to provide certain functionalities, which may result in increased file size and potential compatibility issues with other libraries.
  • Not Suitable for Complex Applications: jQuery is primarily designed for simple to moderately complex web applications. For highly complex and data-intensive applications, a more robust framework like Angular or React may be more suitable.
  • Decreased Usage: With the rise of modern JavaScript frameworks and libraries, the usage of jQuery has declined in recent years, leading to fewer updates and community support.
  • Code Maintenance: As jQuery allows for more concise and flexible code, it can sometimes lead to code that is harder to maintain and debug, especially when multiple developers are involved.

TOP 11 Facts about jQuery

Facts about
  • jQuery is a fast, small, and feature-rich JavaScript library. It simplifies HTML document traversal, event handling, animating, and Ajax interactions for rapid web development.
  • jQuery was released in 2006 by John Resig. Since then, it has gained immense popularity and has become one of the most widely used JavaScript libraries.
  • jQuery is designed to be easy to use and versatile. It provides a simple syntax and powerful functionality, allowing developers to write concise code and accomplish complex tasks with ease.
  • jQuery is cross-platform compatible and works seamlessly with all major web browsers, including Chrome, Firefox, Safari, Internet Explorer, and Edge.
  • jQuery is built on top of JavaScript, utilizing its core features and adding additional functionality to make web development more efficient and convenient.
  • One of the key features of jQuery is its ability to manipulate and traverse the HTML Document Object Model (DOM) easily. Developers can select and manipulate DOM elements using simple and intuitive methods.
  • jQuery offers a wide range of built-in animations and effects that can be easily applied to HTML elements, making it effortless to create dynamic and interactive web pages.
  • jQuery simplifies the process of handling events, such as button clicks, form submissions, and keyboard interactions. It provides a consistent and cross-browser solution for event handling.
  • jQuery includes a powerful Ajax module that allows developers to make asynchronous HTTP requests to the server and update parts of a web page without requiring a full page reload.
  • jQuery has a large and active community of developers, which means that there is extensive documentation, tutorials, and plugins available. This makes it easier for developers to find solutions and enhance their development process.
  • As of 2021, jQuery is still widely used in web development, although its popularity has slightly declined due to the emergence of modern JavaScript frameworks and libraries such as React, Angular, and Vue.js.

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