Web Application Developer

USA-CA-San Diego
time type
Full time
posted on
Posted 5 Days Ago
job requisition id

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Secure our Nation, Ignite your Future

Web Application Developer

Be part of a team working on some of the most visible websites in the world, knowing that work you do help the men and women across the globe supporting our nation! 

We have an immediate need for a full-stack developer to join our growing web development team, working in an Agile development environment, providing web solutions for the Department of Defense. In this role, you will write high quality code, perform code reviews, lead developers, and help shape the products we build and support for years to come. 

This position also requires US citizenship and an active Secret clearance or the ability to immediately obtain an Interim Secret. If you are a US citizen and clearable, this is a great opportunity to be sponsored for your clearance!

What are we looking for?

A fast learner who can get up-to-speed on current tooling, code-base, and CMS without a lot of hand holding;
Someone who is excited about web development who can bring fresh ideas into a well-established team with a ton of prior experience building websites, web services, and web applications;
Excellent communication skills with the ability to tailor discussions to the correct audience;
Ability to produce high quality code with limited QA resources and at the same time meet deadlines while handling multiple, competing priorities.


Develop web applications and web services using ASP.NET/C#, VueJS, MS SQL
Develop templates, themes, and skins using CSS, Bootstrap, jQuery, and HTML5;
Participate in daily stand-ups, backlog refinements, and sprint planning sessions, having an active role in a cross-functional team;
Perform code reviews from peers and provide necessary feedback;
Understand web security vulnerabilities and how to solve them;
Assist in code deployments.


At least 3-5 years in software development with experience in ASP.NET using C#;
Knowledge of Agile methodologies, coding standards, source control management, build processes, and testing;
US citizenship and either an active Secret clearance or the ability to immediately obtain an Interim Secret;
Security+ certification or ability to obtain one in six months.

Required Skills

VueJS (or other SPA frameworks)
Visual Studio, SQL Server, GitHub;
Windows, IIS;


DNN (DotNetNuke);
Unit testing and automated testing tools;
CMS experience;
RESTful and SOAP-based web services;
Content Delivery Networks like Akamai;
Bachelor’s degree in Computer Science;
Understand DevOps;

Already Security+ certified

For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech’s Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer – minorities, females, disabled and protected veterans are urged to apply. ManTech’s utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access as a result of your disability. To request an accommodation please click and provide your name and contact information.

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JBMAN // Equal Opportunity Employer // R27445

Web Application Developer

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