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Extjs Jobs in Virginia (NOW HIRING)

J5 Consulting

Applications Developer

Chantilly, VA · On-site

Demonstrated experience with web UI frameworks such as React or Extended JavaScript (ExtJS). * Demonstrated experience developing Java-based APIs. * Demonstrated experience deploying and maintaining ...

J5 Consulting

Applications Developer

Chantilly, VA · On-site

Demonstrated experience with web UI frameworks, such as React and/or Extended JavaScript (ExtJS). Highly Desired Skills and Demonstrated Experience: * Demonstrated experience analyzing customer ...

Niyam IT, Inc.

Senior GIS Developer

Fairfax, VA · On-site

Lead the design and development of scalable, modern JavaScript web applications using frameworks such as React, NextJS, ExtJS and OpenLayers. * Provide advanced troubleshooting and root cause ...

Niyam IT, Inc.

Senior GIS Developer

Fairfax, VA · On-site +1

Lead the design and development of scalable, modern JavaScript web applications using frameworks such as React, NextJS, ExtJS and OpenLayers. * Provide advanced troubleshooting and root cause ...

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Extjs information

See Virginia salary details

$10

$67

$124

How much do extjs jobs pay per hour?

As of Jun 8, 2026, the average hourly pay for extjs in Virginia is $67.10, according to ZipRecruiter salary data. Most workers in this role earn between $23.12 and $91.54 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the Extjs position, and why are they important?

To thrive as an ExtJS Developer, you need a strong command of JavaScript, proficiency with the ExtJS framework, and a background in web application development, often supported by a relevant degree in computer science or similar fields. Familiarity with development tools like Sencha Cmd, RESTful APIs, Git, and possibly certifications in web development are highly valued in this role. Strong problem-solving abilities, adaptability to evolving requirements, and excellent communication skills with team members and stakeholders help developers excel. These skills are critical for delivering robust, scalable web applications that meet client needs and for collaborating effectively within technical teams.

What is an ExtJS job?

An ExtJS job typically involves developing web applications using the ExtJS framework, a JavaScript library for building rich, interactive UIs. Developers in this role work with JavaScript, HTML, CSS, and Sencha ExtJS components to create responsive and data-driven applications. Responsibilities often include designing UI components, integrating APIs, and optimizing performance for enterprise-level applications. Employers may seek candidates with experience in front-end development, MVC architecture, and ExtJS versions like 4.x, 6.x, or later.

What are the main challenges ExtJS Developers typically face in their role?

ExtJS Developers often work with complex, large-scale web applications that require deep knowledge of the framework's architecture and best practices. One common challenge is ensuring consistent performance and compatibility across different browsers and devices, especially as project requirements evolve. Developers may also face difficulties integrating ExtJS with modern back-end technologies or adapting legacy codebases to newer ExtJS versions. Collaboration with UX/UI designers, backend developers, and QA teams is essential to successfully deliver feature-rich and maintainable applications. Overcoming these challenges can lead to strong professional growth and valuable experience in high-demand enterprise environments.

What are popular job titles related to Extjs jobs in Virginia? For Extjs jobs in Virginia, the most frequently searched job titles are:
What job categories do people searching Extjs jobs in Virginia look for? The top searched job categories for Extjs jobs in Virginia are:
What cities in Virginia are hiring for Extjs jobs? Cities in Virginia with the most Extjs job openings:
Extjs jobs near you
Infographic showing various Extjs job openings in Virginia as of May 2026, with employment types broken down into 25% Full Time, and 75% Contract. Highlights an 100% In-person job distribution, with an average salary of $139,558 per year, or $67.1 per hour.
Applications Developer

Applications Developer

J5 Consulting

Chantilly, VA • On-site

Full-time

Medical, Retirement, PTO

Posted 13 days ago

Job description

J5 Consulting is a Maryland based company established in 2006 to provide computing and consulting services for government and commercial entities. Our services improve Information System networking performance and compliance and protect electronic assets from loss and compromise. We welcome your application to receive consideration for the following position.
Job Overview: Available Immediately
Introduction:
The Customer serves as the focal point for coordinating, planning, developing, supporting, and executing cyber research and tasking. Customer requires an applications developer to perform Agile based Operations & Maintenance (O&M), for a Tasking Portal housed in a Cloud environment. The tasking portal allows for end users to input requests and specific data for data collection.
Work Requirements:
The Contractor shall perform day to day tasks such as bug fixes and enhancement releases. The Contractor shall gather and assist in the preparation of requirements based on customer needs. The Contractor shall analyze requirements and translate them to both user stories and development tasks. The Contractor shall prepare documentation such as program, user, and security documentation. The Contractor shall develop and maintain software applications, including web applications and user interfaces. The Contractor shall develop in a cloud environment. The Contractor shall enhance software to improve efficiency.
Required skills and demonstrated experience:
  • Demonstrated experience with Agile methodology from inception through integration and deployment.
  • Demonstrated experience with supporting production systems and assisting customers with timely issue resolution.
  • Demonstrated experience with gathering and identifying technical requirements.
  • Demonstrated experience with Cloud infrastructure like Amazon Web Services or equivalent.
  • Demonstrated experience developing JavaScript web services using Node.js, to include ExpressJS applications and Micro Services.
  • Demonstrated experience with Representational State Transfer (REST) APIs, Spring Model View Controller (MVC), and Spring Boot.
  • Demonstrated experience with Web Application Programming to include developing JavaScript, HTML, or CSS web user interfaces.
  • Demonstrated experience with web UI frameworks such as React or Extended JavaScript (ExtJS).
  • Demonstrated experience developing Java-based APIs.
  • Demonstrated experience deploying and maintaining APIs on AWS infrastructure.
  • Demonstrated experience with Back-End API, integrating, operating, or deploying MySQL.
  • Demonstrated experience with Front-End UI/UX JavaScript UI framework(s) such as Angular, React, or Vue.

Highly desired, though not required, include:
  • Demonstrated experience with establishing data, performance, and communications objectives for prototype systems.
  • Demonstrated experience understanding the Customer's Cloud environment.
  • Demonstrated experience understanding the Customer's data architecture.
  • Demonstrated experience understanding the Customer's application environment.
  • Demonstrated experience with Back-End SecDevOps principles and CI/CD pipelines.
  • Demonstrated experience with Back-End Container technologies such as Docker.
  • Demonstrated experience with Front-End UX design frameworks such as Bootstrap or Material Design.

US Citizenship:
  • This position requires US Citizenship. Verification of US Citizenship to meet federal government security requirements will be confirmed.

Security Clearance:
  • The successful candidate must have an active U.S. Government Top Secret Security Clearance with a Full Scope Polygraph.
  • Clearance Verification: This position requires successful verification of the stated security clearance to meet federal government customer requirements. You will be asked to provide clearance verification information prior to an offer of employment.

Travel:
  • This position is expected to be onsite. The position will be located within the Washington Metropolitan Area (WMA). Local travel/POV will be on an as needed basis, within the local place of performance.

Join J5 Consulting and Grow Your Cybersecurity Career
At J5, we're a team of innovators protecting organizations from evolving cyber threats. With 18+ years of success in government and commercial sectors, we offer meaningful opportunities to grow your career.
Enjoy comprehensive benefits, including:
  • 100% employer-paid health coverage
  • a 6% 401(k) match
  • PTO
  • tuition reimbursement
  • bonuses
  • professional development, and more.

Ready to make an impact? Explore our open positions and apply today.

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