UI Developer - ExtJS (5-12 yrs)

A UI Developer specializing in Ext JS is responsible for designing, developing, and maintaining high-quality, user-friendly, and scalable front-end applications using the Ext JS framework. This role requires expertise in modern UI/UX practices, JavaScript frameworks, and a keen eye for detail to deliver seamless and interactive user experiences.

Key Responsibilities :

Application Development :

- Develop and maintain web applications using Ext JS.

- Create reusable components, widgets, and libraries to streamline development.

- Optimize applications for performance, scalability, and responsiveness across various devices and browsers.

UI/UX Design and Implementation :

- Collaborate with designers to implement user-centric designs using Ext JS.

- Ensure consistency in design and usability by adhering to established UI/UX guidelines.

- Conduct usability testing and make enhancements based on user feedback.

Integration and APIs :

- Integrate front-end applications with back-end systems through RESTful APIs.

- Collaborate with backend developers to ensure seamless data flow and synchronization.

Code Quality and Standards :

- Write clean, maintainable, and well-documented code following industry standards.

- Perform code reviews and adhere to best practices for version control using Git or similar tools.

Troubleshooting and Debugging :

- Identify and resolve UI issues, bugs, and performance bottlenecks.

- Use tools like browser developer tools and Ext JS debugging utilities to troubleshoot problems.

Collaboration and Communication :

- Work closely with product managers, designers, and other developers to understand project requirements.

- Participate in Agile ceremonies such as sprint planning, daily stand-ups, and retrospectives.

Continuous Improvement :

- Stay updated with the latest trends in front-end development and Ext JS enhancements.

- Identify opportunities to improve user experience and implement innovative solutions.

Required Skills and Qualifications :

Technical Expertise :

- Strong proficiency in Ext JS, including version 6.x or higher.

- Solid understanding of JavaScript, HTML5, and CSS3.

- Experience with responsive design and cross-browser compatibility.

- Familiarity with state management and Ext JS components like Grids, Trees, and Charts.

Tooling and Workflow :

- Experience with front-end build tools such as Sencha CMD, Webpack, or Gulp.

- Familiarity with version control systems like Git.

Soft Skills :

- Strong problem-solving and analytical skills.

- Excellent communication and collaboration skills.

- Attention to detail and a commitment to delivering high-quality work.

Preferred Qualifications :

- Bachelor's degree in Computer Science, Information Technology, or a related field.

- 3+ years of experience in UI development with a focus on Ext JS.

- Familiarity with other JavaScript frameworks like React or Angular.

- Experience with Agile methodologies and tools like JIRA.

- Knowledge of accessibility standards (WCAG) and internationalization.

Role Impact :

As a UI Developer - Ext JS, you will play a pivotal role in creating intuitive and visually appealing user interfaces that enhance user satisfaction and engagement. By leveraging the power of Ext JS, you'll contribute to building scalable, efficient, and modern front-end solutions that align with business objectives.