Sr. Mobile Application Developer I
Washington dc, DC
Category: Support
Industry: Technology
Reference ID: JN -022026-105476
Date Posted: 02/11/2026
Shortcut: http://careers.eliassen.com/FvMZOg
Description:
Onsite in Washington, DC
The organization seeks a Sr. Mobile Application Developer to deliver secure, mission-critical iOS and Android capabilities for a federal customer. The role operates within an Agile team focused on high-security mobile solutions, collaborating across security and backend disciplines to provide reliable and scalable applications.
Due to federal security clearance requirements, applicant must be a United States Citizen with an active Top Secret clearance. This is a full-time, permanent opportunity, offering a competitive salary and comprehensive benefits package. Qualified applicants must be willing and able to work on a w2 basis.
Salary: $170,000 - $230,000/ yr. w2
Responsibilities:
Responsibilities
- Design, develop, test, and maintain secure mobile applications using cross-platform frameworks and native iOS and Android technologies.
- Apply secure coding practices aligned with RMF, STIGs, and secure SDLC standards.
- Integrate mobile applications with backend APIs, enterprise services, and identity and access management solutions.
- Support Mobile Device Management integrations, including Samsung Knox and VMware AirWatch.
- Participate in Agile ceremonies and deliverables to enable mission-critical capabilities.
- Communicate progress, risks, and technical decisions to teammates and leadership.
- Troubleshoot and resolve issues in high-security environments.
- Contribute to continuous improvement and technical excellence across the team.
Experience Requirements:
Experience Requirements
- Active Top Secret clearance with SCI eligibility.
- 5+ years of professional experience building cross-platform mobile applications for iOS and Android.
- Experience maintaining, integrating, optimizing, and debugging mobile applications in operational environments.
- Experience implementing secure mobile architectures covering authentication, authorization, and data protection.
- Experience integrating mobile applications with enterprise services and REST-based APIs.
- Experience supporting MDM and secure enterprise deployments, including Samsung Knox SDK and Knox REST APIs.
- Certification that meets DoD 8140 such as Security+ or higher.
- Certification that meets AZ-204 or AWS Developer Associate.
- Ability to contribute immediately with minimal ramp-up in a mission-critical environment.
Education Requirements:
Education Requirements
- Bachelor’s degree in a technical field is preferred.
- DoD 8140-compliant certification such as Security+.
- Microsoft Azure Developer Associate (AZ-204) or AWS Developer Associate certification.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
Please be advised- If anyone reaches out to you about an open position connected with Eliassen Group, please confirm that they have an Eliassen.com email address and never provide personal or financial information to anyone who is not clearly associated with Eliassen Group. If you have any indication of fraudulent activity, please contact InfoSec@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contactInfoSec@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above