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Mobile Application Engineer Jobs (NOW HIRING)

ManTech

Mobile Application Developer

Ashburn, VA · Hybrid

$114K - $190K/yr

The Mobile Application Developer will design, develop, and maintain secure, high-performance mobile applications. These applications are critical to supporting U.S. Customs and Border Protection (CBP ...

R3 Tek

Mobile Application Developer

Cedar Rapids, IA · Hybrid

Greetings, Position - Hybrid Mobile Application Developer Location - Cedar Rapids, IA Responsibilities  Candidate will be a part of an integrated, cross-functional team responsible for designing ...

Leidos

Mobile Application Developer

Ashburn, VA · On-site

$107K - $195K/yr

The Homeland Sector within Leidos is seeking a Mobile Application Developer to provide technical expertise on a mission-critical program whose purpose is to development, modernize, enhance, operate ...

Leidos

Mobile Application Developer

Ashburn, VA · On-site

$87K - $157K/yr

The Homeland Sector within Leidos is seeking a Mobile Application Developer to provide technical expertise on a mission-critical program whose purpose is to development, modernize, enhance, operate ...

Leidos

Mobile Application Developer

Ashburn, VA · On-site

$87K - $157K/yr

The Homeland Sector within Leidos is seeking a Mobile Application Developer to provide technical expertise on a mission-critical program whose purpose is to development, modernize, enhance, operate ...

Leidos

Mobile Application Developer

Ashburn, VA · On-site

$107K - $195K/yr

The Homeland Sector within Leidos is seeking a Mobile Application Developer to provide technical expertise on a mission-critical program whose purpose is to development, modernize, enhance, operate ...

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Mobile Application Engineer information

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$77K

$138.2K

$190K

How much do mobile application engineer jobs pay per year?

As of Sep 2, 2026, the average yearly pay for mobile application engineer in the United States is $138,178.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,000.00 and $160,000.00 per year, depending on experience, location, and employer.

What is a mobile application engineer?

Mobile Application Engineers are software professionals who design, develop, test, and maintain applications for mobile devices such as smartphones and tablets. They use programming languages like Java, Kotlin, Swift, or React Native to build apps for platforms like Android and iOS. These engineers work closely with designers and product teams to implement features, optimize user experiences, and ensure app performance and security. Their expertise also includes debugging issues, integrating APIs, and keeping up with the latest mobile development trends.

What are the key skills and qualifications needed to thrive as a mobile application engineer?

To thrive as a Mobile Application Engineer, you need strong programming skills in languages like Swift, Kotlin, or Java, a solid understanding of mobile UI/UX design, and typically a degree in computer science or related field. Proficiency with integrated development environments (IDEs) such as Android Studio or Xcode, version control systems like Git, and familiarity with APIs and mobile frameworks is essential. Creative problem-solving, strong collaboration, and effective communication help engineers deliver user-friendly and reliable apps. These skills ensure the development of high-quality, scalable mobile applications that meet user and business needs in a rapidly evolving tech landscape.

What are some typical challenges mobile application engineers face when developing apps for both iOS and Android platforms?

Mobile Application Engineers often encounter challenges when building apps that work seamlessly across both iOS and Android. Differences in platform-specific design guidelines, development tools, and operating system behaviors can lead to increased complexity and testing requirements. Adapting to frequent OS updates, device fragmentation, and ensuring consistent user experiences are also common hurdles. Collaboration with designers, backend developers, and QA teams is essential to efficiently address these issues and deliver high-quality mobile applications.
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Mobile Application Engineer jobs near you
Infographic showing various Mobile Application Engineer job openings in the United States as of August 2026, with employment types broken down into 76% Full Time, 19% Part Time, and 5% Contract. Highlights an 90% Physical, 2% Hybrid, and 8% Remote job distribution, with an average salary of $138,178 per year, or $66.4 per hour.

Mobile Application Developer

ManTech

Ashburn, VA • Hybrid

$114K - $190K/yr

Full-time

Medical, Life, Retirement, PTO

Posted 29 days ago

ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 15 frontline employees who took The Breakroom Quiz

47th of 247 rated software companies

Job description

Description & Requirements
Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!

MANTECH seeks a motivated, career- and customer-oriented Mobile Application Developer to join our team in Ashburn, VA. This is currently a hybrid position with 2-3 days onsite/week.

The Mobile Application Developer will design, develop, and maintain secure, high-performance mobile applications. These applications are critical to supporting U.S. Customs and Border Protection (CBP) personnel in the field, facilitating the secure processing of aliens, and enhancing the agency's ability to detect and deter illegal immigration. The successful candidate will work within a cross-functional team to deliver mission-critical software that operates in challenging environments.

Responsibilities include, but are not limited to:

  • Application Development: Design, code, test, and deploy native or cross-platform mobile applications (iOS/Android) that support CBP field operations.
  • Mission Support: Develop mobile tools that assist agents and officers in the processing of aliens, the management of border security data, and the interdiction of illegal immigration.
  • Security & Compliance: Ensure all mobile applications adhere to strict DHS and federal cybersecurity standards, including data encryption, secure authentication, and FISMA compliance.
  • System Integration: Integrate mobile applications with backend enterprise systems, databases, and real-time data feeds to provide actionable intelligence to personnel in the field.
  • UI/UX Design: Create intuitive user interfaces optimized for field use, ensuring high usability under varying operational conditions.
  • Maintenance & Optimization: Monitor application performance, troubleshoot issues, and implement updates to ensure continuous availability and reliability.

Minimum Qualifications:

  • Degree in Computer Science, Engineering, or a related technical field. BS/BA and 7+ years or MS/MA/MBA and 5+ years or PhD/Doctorate and 3+ years.
  • Hands on experience in mobile application development (Swift, Kotlin, React Native, or Flutter).
  • Proficiency in RESTful APIs, mobile security protocols, and cloud-based backend services (e.g., AWS GovCloud, Azure Government).
  • Knowledge of mobile data storage and testing frameworks.
  • Demonstrated ability to develop software solutions for complex, high-stakes operational environments.

Preferred Qualifications:

  • Experience developing applications for federal law enforcement or defense agencies.
  • Knowledge of mobile device management (MDM) solutions and secure containerization.
  • Experience with offline-first application architecture for use in remote or low-connectivity areas.
  • Familiarity with Agile/DevSecOps methodologies.
  • Experience with Atlassian suite of tools such as Jira and Confluence.

Clearance Requirements:

  • Must be a U.S. citizen with a current/active Top-Secret clearance and the ability to obtain and maintain DHS CBP suitability prior to starting this position.

Physical Requirements:

  • The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, which may involve delivering presentations.

The projected compensation range for this position is $114,600.00-$190,200.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.  In addition, MANTECH invests in its employees beyond just compensation.  MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

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