Logo-of-NextTA-hiring-for-jobs-in-US-on-GrabJobs

Developer -GUI development with Sencha (Ext JS)

icon building Company : NextTA
icon briefcase Job Type : Full Time

Number of Applicants

 : 

000+

Click to reveal the number of candidates who applied for this job.
icon loader
Apply Now
icon loader Apply Now

Let AI Supercharge Your Job Hunt!

JobCopilot scans 500,000+ company career sites daily to find jobs for you

Never miss an opportunity Save hours by auto-filling applications forms Land more interviews with tailored applications
happy man
thunder iconActivate JobCopilot

Job Description - Developer -GUI development with Sencha (Ext JS)

We are a fast‑growing financial services organization dedicated to delivering secure, scalable, and high‑performance technology solutions. As we continue to expand our digital product ecosystem, we are seeking a talented Hands‑On GUI Developer with strong Sencha (Ext JS) expertise to join our engineering team.

This role is ideal for someone who thrives in a dynamic environment, enjoys building sophisticated user interfaces, and wants to contribute to mission‑critical financial applications. This position can be contract/project base as well

Responsibilities

  • Design, develop, and maintain high‑quality GUI components using Sencha Ext JS.
  • Build responsive, scalable, and intuitive user interfaces for complex, data‑intensive web applications.
  • Collaborate closely with product managers, UX designers, and backend engineers to deliver seamless end‑to‑end user experiences.
  • Translate UI/UX wireframes into fully functional, production‑ready front‑end modules.
  • Optimize front‑end performance, including rendering efficiency, load times, and overall responsiveness.
  • Develop reusable components, widgets, and UI patterns aligned with the product’s design system.
  • Troubleshoot UI issues, resolve cross‑browser inconsistencies, and ensure high visual and functional quality.
  • Participate in code reviews and contribute to front‑end best practices and coding standards.
  • Integrate front‑end components with RESTful APIs and backend services.
  • Stay current with Sencha updates, JavaScript ecosystem trends, and emerging front‑end technologies.

Requirements

  • 3–7+ years of professional front‑end development experience.
  • Strong, hands‑on expertise with Sencha Ext JS and modern JavaScript (ES6+).
  • Proven experience building complex, data‑driven GUIs and enterprise‑grade applications.
  • Solid understanding of HTML5, CSS3, responsive design, and cross‑browser compatibility.
  • Experience working with REST APIs, JSON, and asynchronous data handling.
  • Familiarity with MVC/MVVM patterns as implemented in Sencha.
  • Strong debugging skills and proficiency with browser developer tools.
  • Ability to write clean, modular, maintainable code with a focus on performance.
  • Experience working in Agile/Scrum environments.
  • Excellent communication skills and ability to collaborate with distributed teams.

Original job Developer -GUI development with Sencha (Ext JS) posted on GrabJobs ©. To flag any issues with this job please use the Report Job button on GrabJobs.
Apply Now
Share Job
Share Job

Auto-Apply to GUI Developer Jobs with your AI JobCopilot

thunder icon Auto-Apply with AI

Similar GUI Developer Jobs in the US

GrabJobs is the no1 job portal in the US, connecting you to thousands of jobs fast! Find the best jobs in the US, apply in 1 click and get a job today!

Mobile Apps

Copyright © 2026 Grabjobs Pte.Ltd. All Rights Reserved.