Ashburn, VA

Developer Jobs in Ashburn, VA

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Today

Mobile Application Developer

MANTECH Ashburn, VA

Ashburn, VA

Today

Full time Android APIs Apple Ios

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Job Description

MANTECH is hiring a Mobile Application Developer for a hybrid role in Ashburn, VA. This position supports CBP personnel by designing, building, and maintaining secure, high-performance mobile applications for mission-critical field use, with an emphasis on DHS and FISMA-aligned cybersecurity practices.

You will help deliver iOS and Android tools that enable actionable information for operational teams, including integration with enterprise backends and real-time data feeds, while maintaining reliability in demanding environments.

Responsibilities

Design, code, test, and deploy native or cross-platform mobile applications for iOS/Android supporting CBP field operations.
Build mobile tools that support the processing of aliens, border security data management, and interdiction of illegal immigration.
Maintain compliance with DHS and federal cybersecurity standards, including data encryption, secure authentication, and FISMA compliance.
Integrate mobile applications with backend enterprise systems, databases, and real-time data feeds to deliver actionable intelligence to personnel in the field.
Create intuitive user interfaces optimized for field conditions and usability under varying operational constraints.
Monitor application performance, troubleshoot issues, and implement updates to support continuous availability and reliability.

Requirements

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

Technology & Tools

Mobile: iOS, Android, Swift, Kotlin, React Native, Flutter
Backend & Security: RESTful APIs, AWS GovCloud, Azure Government, FISMA
Process: Agile/DevSecOps
Collaboration: Jira, Confluence

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 remote or low-connectivity areas.
Familiarity with Agile/DevSecOps methodologies.
Experience with Atlassian tools such as Jira and Confluence.

Physical Requirements

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.

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1mo ago

Android Software Engineer - AI Trainer

DataAnnotation Ashburn, VA 🇺🇸 Remote

Ashburn, VA

1mo ago Closed

$50 - $100/hr Contract Ai Ml Ai Trainer Android

This position is no longer accepting applications (closed Jul 29, 2026).

Job Description

DataAnnotation seeks a remote contract Android Software Engineer - AI Trainer to contribute to the development of AI training materials. This role involves designing coding problems and evaluating AI-generated code to help refine and advance AI models. The position offers an hourly rate ranging from $50 to $100, with eligibility for remote work from multiple regions.

Responsibilities

Create and solve a diverse set of coding challenges used to train AI systems.
Produce clear, high quality code samples accompanied by thorough explanations.
Assess AI-produced code for correctness, performance, and readability.
Offer actionable feedback that shapes the next generation of AI models.

Requirements

Proficient English communication, native or bilingual level.
Experience in at least one of these languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift.
Strong writing and grammar skills.
Bachelor's degree (completed or in progress).
Prior experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred.

Technologies

JavaScript
TypeScript
Python
C
C#
C++
React
Go
Java
Kotlin
Swift

Benefits

Fully remote work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand.
Flexible schedule with project selection and remote work on your own computer.
Competitive hourly pay up to $100+, with potential higher bonuses for selected projects.
Impactful work that contributes to shaping the future of AI technologies.

Advantages of contracting with us

Fully remote work from eligible regions including the US, Canada, UK, Ireland, Australia, and New Zealand.
Flexible scheduling to choose projects and work on your own terms from home.
Competitive hourly rates, up to $100+ per hour, with opportunities for higher bonus rates on certain projects.
Direct involvement in advancing AI technologies and model development.

Note

Payment is processed via PayPal. We will not request any money from you. PayPal handles currency conversions from USD. This opportunity is available to applicants located in the US, Canada, UK, Ireland, Australia, and New Zealand; candidates outside these regions will not see work or assessments on our site at this time.

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Developer Jobs in Ashburn, VA

Mobile Application Developer

Android Software Engineer - AI Trainer

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