36,377 Mobile App Developers jobs in the United States

A global government contracting company is looking for DRFP developers experienced with Cyber Security. Specifically, hiring manager is looking for

-3+ years experience with Android or iOS operating systems
-3+ years experience with C and Python
-TS/SCI with the ability to get an FSP while on contract (it is not required to start)
-Full time on site with sponsor in northern VA

Android/IOS Developer

Irving, TX/Basking Ridge, NJ

Families (Skill Set):

Architecture Design: Experience with designing scalable and maintainable mobile application architectures (e.g., MVVM, Clean Architecture).

Strong proficiency in Android and iOS development:

• In-depth knowledge of Android SDK, Java/Kotlin, and iOS SDK with Swift/Objective-C.
• Experience in UI design principles, performance optimization techniques, and platform-specific best practices.
• Familiarity with Apple’s Human Interface Guidelines and Google’s Material Design.

What you will need to have:

• 7-9 years’ experience in designing and developing mobile applications, with a focus on both Android and iOS platforms, including embedded and services-based applications.
• Comprehensive skills and in-depth experience with Java, Kotlin (Android) and Swift, Objective-C (iOS).
• Expertise in mobile development with a deep understanding of Android and iOS platforms, including custom ROM and device-specific enhancements.
• Up-to-date with the latest trends in Android and iOS application development.
• Experience with hardware integration, device communication protocols, and troubleshooting across various device types.
• Skilled in runtime, build and deployment technologies and project tools such as Git, Maven, Jenkins, Xcode, JIRA, and Confluence.
• Proficient in UI development for both platforms, ensuring optimal performance and seamless user experience across screen sizes and devices.

What would be great to have:

• Experience with RXJava, functional programming, MVP/MVC design patterns, and cross-platform frameworks such as React Native and JavaScript.
• Previous experience in the payments industry, specifically working with standards such as EMVco, NEXO, or PCI DSS.
• Familiarity with TestFlight and Android Play Console for beta testing and app releases

• Prepare specifications, design, develop, and support mobile applications, adhering to best practices.
• Assess and optimize designs for optimal user experiences across phones and tablets.
• Create and execute unit tests for a range of mobile devices.
• Build native mobile apps, provide production support, and resolve technical issues.
• Prepare documentation for new development work while maintaining development standards.

• BS degree in Computer Science or a related field
• 4-6 years of Android development experience, specifically with large-scale applications
• Expert-level Kotlin proficiency
• Experience with Jetpack Compose
• Knowledge of design systems
• Experience writing custom UI Views
• Experience writing and consuming libraries
• Gradle and Maven experience
• Experience with REST, JSON, XML, and integrating Android apps with server-side APIs
• Experience writing Unit Tests and Automated UI tests
• Experience working with CI/CD pipelines and debugging related issues
• Experience conducting code reviews and mentoring junior developers
• Nice-to-Have Qualifications:
• Experience building native features as a module
• Understanding of SOLID design principles
• Experience collaborating with Architects and Stakeholders
• Experience debugging memory and performance issues
• Experience working with native accessibility features
• Familiarity with Agile practices
• Hands-on experience supporting multiple Android SDK versions, screen resolutions, and device types
• Good understanding of the Android SDK and NDK

Android Developer Responsibilities: 5+ years of experience on a team developing native Android app(s) available in the Google Play store. Experience with Java 8 and RX Java in a production application. Experience developing apps that interact with web services (REST, JSON); Retrofit is a plus. Experience with frameworks such as Dagger and design patterns such as MVP, Singleton, Factory. Experience with native Android HIG and UI development best practices; Android Material Design. Experience with data persistence frameworks such as Realm or Active Android. Experience with Google Play Services is a plus. Experience with Android Studio. Experience with the publishing process for Google app store. Experience with Android Auto is a plus. Equal Opportunity Employer ETHEREUM TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. ETHEREUM TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will ETHEREUM TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract. #J-18808-Ljbffr

Hybrid; Austin, TX; Lonetree, CO; Dallas, TX or Raleigh, NC Propel your career forward in mobile development and make a tangible impact on a leading financial services company. Partnering with Aquent, you’ll join a team of innovators dedicated to transforming the financial industry through creative problem-solving and cutting-edge technology. This is an opportunity to contribute to a company committed to challenging the status quo and shaping the future of finance. As the iOS & Android Mobile Development Engineer in Test, you will play a crucial role in ensuring the quality and reliability of mobile applications. You will design and implement robust automation frameworks, analyze performance, and collaborate with cross-functional teams to deliver exceptional user experiences. Your expertise in mobile development and testing will be essential to driving innovation and maintaining the highest standards of quality. Responsibilities: Design robust automation test frameworks from scratch using Espresso and/or XCUI for mobile applications. Ensure continuous automation, analysis, and prompt reporting of failures. Guide and train QA testing resources in Test-Driven Development and automation using Espresso/XCUI. Plan, develop, and debug native performance test scripts. Collaborate with internal and external teams to define environment requirements, identify automation tools, and implement best practices. Champion an end-to-end testing approach across multiple applications. Partner with geographically distributed teams to shape future QA tooling and technology decisions. Collaborate with product teams to integrate project plans, testing schedules, and metrics reporting. Must-Have Qualifications: 1+ years in Mobile Application Development 1+ years of experience building and maintaining test automation frameworks 1+ years of experience developing, executing, and maintaining automated test scripts 1+ years of experience with Mobile Development on iOS and/or Android devices 1+ years of hands-on coding experience with Java, Kotlin, SWIFT, or other object-oriented programming languages Bachelor’s degree in Computer Science, Information Systems, or a related field Nice-to-Have Qualifications: Experience with XCUI and/or Espresso Working knowledge of industry-standard tools for bug logging and test case management (e.g., JIRA/MTM, Zephyr/HPQ) Understanding of CI/CD practices and Lean DevOps methodologies Proven ability to manage multiple geographically distributed QA projects with concurrent releases Financial/Trading services industry experience The target hiring compensation range for this role is $48.60 to $54.00 an hour. Compensation is based on several factors including, but not limited to education, relevant work experience, relevant certifications, and location. About Aquent Talent: Aquent Talent connects the best talent in marketing, creative, and design with the world’s biggest brands. Our eligible talent get access to amazing benefits like subsidized health, vision, and dental plans, paid sick leave, and retirement plans with a match. We also offer free online training through Aquent Gymnasium. More information on our awesome benefits! Aquent is an equal-opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other legally protected characteristics. We’re about creating an inclusive environment — one where different backgrounds, experiences, and perspectives are valued, and everyone can contribute, grow their careers, and thrive. #J-18808-Ljbffr

• Design, develop, and enhance applications for either the iOS or Android platform.
• Ensure application performance, quality, and responsiveness.
• Collaborate with a team to define, design, and implement new features.
• Identify and address bottlenecks, fix bugs, and maintain code quality.
• Establish effective communication with clients.
• Provide accurate project milestones and timelines.
• Maintain positive rapport with all clients
• Gather requirements and provide accurate and realistic project milestones and timelines for completion
• Complete coding tests or challenges as required.
• Maintain consistent communication through phone, text, and email.
• Suggest improvements to existing apps.
• Deliver projects on time and communicate any changes promptly.

• Strong understanding of MVC / MVVM software architectural patterns.
• Proficiency in Java and Kotlin (at least 1 year of experience).
• Published at least 1 application on the Play Store.
• Familiarity with Android SDK, various Android versions, and screen size adaptability.
• Experience with testing frameworks like Espresso and JUnit.
• Knowledge of mobile data storage using SQLite, Room.
• Familiarity with RESTful APIs for back-end integration.
• Comfortable with GIT, SVN, and source control.
• Excellent communication skills (written and verbal).
• Innate work ethic and self-leadership skills
• Exceptional written and verbal communication aptitude
• A portfolio featuring impactful application releases is a significant advantage

• Proficiency in Swift and Objective-C. (atleast 1 year of experience).
• Experience with iOS frameworks (e.g., Core Data,Coco touch, Combine & Core Animation).
• Familiarity with design patterns (MVC, Singleton).
• Published at least 1 application on the Play Store.
• Thorough understanding of offline storage, threading, and performance optimization.
• Knowledge of RESTful APIs for connecting iOS apps to back-end services.
• Experience with 3rd party API integrations (e.g., Facebook, Dropbox).
• Familiarity with UI/UX standards and Apple's design principles.
• Knowledge of C-based libraries preferred.
• Experience with performance and memory tuning tools.
• Proficient in code versioning tools (e.g., Git).
• Innate work ethic and self-leadership skills
• Exceptional written and verbal communication aptitude
• A portfolio featuring impactful application releases is a significant advantage

The Applied Vehicle Platform is a flexible suite of products that help vehicle manufacturers develop, deploy, and update complete vehicle software and AI applications. Learn more about what the team is building, the team culture, and why its one of the most exciting projects at Applied Intuition.

We are looking for bright engineers interested in designing elegant solutions to difficult problems in the autonomy space. Our software engineers work across our suite of products, tackling difficult full-stack, infrastructure, robotics, and graphics problems. At Applied Intuition, we encourage engineers to take ownership over technical and product decisions, interact closely with users to collect feedback, and contribute to a thoughtful, dynamic team culture.

• Work across our entire stack to develop new products, features, and tools
• Have an unparalleled opportunity to work with domain experts across a variety of fields: infrastructure, robotics, and graphics engineers, as well as startup veterans
• Carve out your own area of expertise and influence product decisions
• Collaborate with other members in the autonomy ecosystem and learn about different approaches to solving core issues in autonomy

• Experience shipping complex software and writing production code
• Demonstrated ability to be a self-starter and can quickly become comfortable with new technical tools
• Designed efficient and effective solutions to a wide range of engineering challenges
• Ability to take initiative in a fast-paced environment

• Working knowledge of frontend, API layer, containerization, or cluster orchestration frameworks (such as React, GraphQL, Docker, or Kubernetes)
• Experience in Android AOSP
• Experience writing Python, C++, or Java

Compensation at Applied Intuition for eligible roles includes base salary, equity, and benefits. Base salary is a single component of the total compensation package, which may also include equity in the form of options and/or restricted stock units, comprehensive health, dental, vision, life and disability insurance coverage, 401k retirement benefits with employer match, learning and wellness stipends, and paid time off. Note that benefits are subject to change and may vary based on jurisdiction of employment.

Applied Intuition pay ranges reflect the minimum and maximum intended target base salary for new hire salaries for the position. The actual base salary offered to a successful candidate will additionally be influenced by a variety of factors including experience, credentials & certifications, educational attainment, skill level requirements, interview performance, and the level and scope of the position.

Please reference the job postings subtitle for where this position will be located. For pay transparency purposes, the base salary range for this full-time position in the location listed is: $147,000 - $195,000 USD annually.