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Senior Web Application Developer

Company:
iQuasar LLC
Location:
Washington, DC, 20515
Posted:
September 30, 2025
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Description:

iQuasar is seeking to fill a Web Application Developer position. At iQuasar, we strive to provide the next generation of cutting-edge technologies. Our growth means exciting career opportunities for talented professionals in engineering, software development, and other key areas.

We need an Acquisition System Specialistfor a Full time position.

Position: Web Application Developer

Location: 2 nd and D Streets SW Washington,DC 20515

Position Type: Full time Remote

Travel: None

Clearance Required: US Citizen with Public trust

Job Description:

iQuasar LLC is currently hiring an Web Application Developer in Washington, DC for a contract position. This will be a long term contract.

Typical Skills Include:

Strong skills developing application and backend services using C#, ASP.NET MVC, Web API, Java Script, jQuery, Node.js and CSS, Cloud AWS, SQL, GitHub Enterprise

Experience in automating tasks using scripted languages such as Bash, PowerShell, or Perl

Developing and maintaining web services; experience with MVC, WCF and Web APIs preferable

Experience designing and maintaining user interfaces (UI) with HTML, JavaScript, CSS; experience working with JavaScript libraries such as jQuery, Node.JS, Chart.js, Bootstrap preferable; UI Ajax.

Experience developing and maintaining data in relational databases; heavy SQL experience with Stored Procedures, Functions, performance tuning is required.

Proficiency in building web applications using ASP.NET Core, including experience with MVC (Model-View- Controller) architecture. Experience in developing RESTful APIs using ASP.NET Core Web API. Understanding of ASP.NET Core middleware and the ability to implement custom middleware. Knowledge of dependency injection principles and practices in ASP.NET Core. Familiarity with ASP.NET Core security features, including authentication, authorization, and data protection. Proficiency in using Razor syntax for dynamic content generation in views.

Proficiency in using jQuery for DOM traversal and manipulation

Experience with jQuery event handling for creating interactive user interfaces. Expertise in making asynchronous HTTP requests using jQuery's AJAX methods, and in integrating and customizing jQuery plugins for various functionalities

Experience in developing responsive web applications using Bootstrap

Proficiency in using Bootstrap's grid system for layout design.

Knowledge of Bootstrap components (modals, carousels, navbars, etc.) and customization techniques. Ability to customize Bootstrap themes using CSS and SASS.

Other tasks as assigned in support of operational needs.

Qualifications:

Preferred Education: Bachelor's degree in an IT-related field

GitHub Actions Certification

AWS Certified Developer

CompTIA Security+

Certified Software Development Professional

(ISC)2 CSSLP - Certified Secure Software Lifecycle Professional

Responsibilities:

Run and monitor software performance tests on new and existing programs for the purposes of correcting errors, isolating areas for improvement, and general debugging

Administer critical analysis of test results and deliver solutions to problem areas.

Install/upgrade software products as required

Write programming scripts to enhance functionality and/or appearance of company web site and/or related web applications as necessary

Provisioning development environments (local, virtual, or cloud-based)

Design, deploy, and maintaining deployment scripts and artifact repositories

Automating routine tasks (e.g., code formatting, testing, linting)

If you are interested in this position, please send me a copy of your latest resume at with the information requested below: Also, please let me know what time/number is best to call to discuss this great opportunity. In case you are not interested in this position or this is not a right fit for you, please feel free to share this opportunity with your friends/networks or anyone you know who may be interested in this position. Thank you!

Availability to start a new job

Best Rates

Contact #

Please don't hesitate to contact me for any question (s) you may have. All employment is decided on the basis of qualifications, merit, and business need.

Regards,

Feseha Banday

Senior Recruitment Professional

iQuasar, LLC

Cleared Recruitment Proposal Development Technology

Direct:

Main: Ext. 558

iQuasar, LLC is an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion/belief, national, social, or ethnic origin, disability, gender/gender identity, marital/partnership status, pregnancy, medical history or genetic information, family or parental status, or any other status protected by federal and state regulations.

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