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Mobile Application Engineer Jobs in Decatur, GA (NOW HIRING)

The mobile programmer will work closely with other app development and technical teams. XAMARIN ... Xamarin experience: at least 2-3 years Android/iOS application development experience: 3+ years ...

The mobile programmer will work closely with other app development and technical teams. XAMARIN ... application development experience: 3+ years • Software Development experience: 3+ years • ...

Atlanta, GA (Onsite) Duration: 12 Months We are seeking a highly skilled React Native Developer with strong hands-on experience in React Native, ReactJS, and mobile application development to build ...

Principal Mobile Engineer

Atlanta, GA · On-site

$170K - $185K/yr

Principal Mobile Engineer , location is Hybrid (4 days/week onsite in Atlanta, GA) . The start date ... Strong understanding of REST APIs and mobile application architecture. * Experience collaborating ...

Principal Mobile Engineer

Atlanta, GA · On-site

$170K - $185K/yr

Principal Mobile Engineer , location is Hybrid (4 days/week onsite in Atlanta, GA) . The start date ... Strong understanding of REST APIs and mobile application architecture. * Experience collaborating ...

QA Engineer Mobile Testing

Alpharetta, GA · On-site

$68K - $88K/yr

PamTen Inc is seeking a detail-oriented and experienced QA Engineer with strong expertise in mobile application testing to support a leading financial client. The role involves designing and ...

Lead App Engineer

Sandy Springs, GA · On-site

$101K - $134K/yr

The Lead App Engineer will provide hands-on technical leadership for the Digital Platform mobile application team, supporting iOS and Android experiences across multiple brands. This role will lead ...

Showing results 21-40

Mobile Application Engineer information

See Decatur, GA salary details

$75.2K

$134.9K

$185.5K

How much do mobile application engineer jobs pay per year?

As of Aug 21, 2026, the average yearly pay for mobile application engineer in Decatur, GA is $134,908.00, according to ZipRecruiter salary data. Most workers in this role earn between $119,100.00 and $156,200.00 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.

What are the most commonly searched types of Application Engineer jobs in Decatur, GA?

The most popular types of Application Engineer jobs in Decatur, GA are:

What are popular job titles related to Mobile Application Engineer jobs in Decatur, GA?

For Mobile Application Engineer jobs in Decatur, GA, the most frequently searched job titles are:

What job categories do people searching Mobile Application Engineer jobs in Decatur, GA look for?

The top searched job categories for Mobile Application Engineer jobs in Decatur, GA are:

What cities near Decatur, GA are hiring for Mobile Application Engineer jobs?

Cities near Decatur, GA with the most Mobile Application Engineer job openings:

Infographic showing various Mobile Application Engineer job openings in Decatur, GA as of August 2026, with employment types broken down into 80% Full Time, and 20% Contract. Highlights an 65% In-person, 14% Hybrid, and 21% Remote job distribution, with an average salary of $134,908 per year, or $64.9 per hour.

Senior Software Engineer, Mobile (React Native)

Fiserv, Inc.

Alpharetta, GA • On-site

$130K - $163K/yr

Full-time

Re-posted 16 days ago


Fiserv rating

7.7

Company rating: 7.7 out of 10

Based on 95 frontline employees who took The Breakroom Quiz

108th of 151 rated financial services


Job description

Calling all innovators - find your future at Fiserv.
We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.
Job Title
Senior Software Engineer, Mobile (React Native)
What does a successful Senior Software Engineer, Mobile (React Native) do?
You will be responsible for designing, developing, and maintaining cross-platform mobile applications for iOS and Android using React Native, TypeScript, and modern mobile development frameworks. These applications support more than 30 million active users, process billions of financial transactions annually, and facilitate the secure movement of trillions of dollars between consumers, merchants, service providers, and financial institutions.
You will play a key role in modernizing our mobile platform, delivering innovative customer experiences, and helping drive the future of digital financial services at scale.
What you'll do
  • Join a team responsible for evolving and modernizing our mobile applications using React Native and TypeScript while continuing to deliver new features and enhancements.
  • Design, develop, test, and maintain high-quality cross-platform mobile applications for both iOS and Android.
  • Build reusable React Native components, screens, and libraries that enable scalable and maintainable application development.
  • Collaborate with Product, UX/UI, Backend Engineering, and QA teams in an Agile environment to deliver customer-focused solutions.
  • Integrate RESTful APIs, third-party SDKs, payment services, and financial technology platforms.
  • Optimize application performance, responsiveness, memory usage, and reliability across mobile devices.
  • Utilize modern state management solutions such as Redux Toolkit, Zustand, Context API, or similar frameworks.
  • Develop secure mobile applications by implementing authentication, encryption, data protection, and PCI compliance best practices.
  • Support localization and multi-language experiences for global users.
  • Manage CI/CD pipelines, application releases, analytics, monitoring, and push notification services.
  • Participate in code reviews, technical design discussions, sprint planning, and architectural decision-making.
  • Work closely with native iOS and Android teams when platform-specific functionality or custom native modules are required.

Experience you'll need to have
  • 5+ years of professional mobile application development experience.
  • 4+ years of React Native development experience building and deploying production-grade applications.
  • Strong expertise in React Native, JavaScript, and TypeScript.
  • Strong understanding of React fundamentals including hooks, component architecture, navigation, and state management.
  • Experience integrating RESTful APIs, asynchronous programming, and third-party SDKs.
  • Knowledge of mobile application architecture patterns and scalable design principles.
  • Experience with mobile security, encryption, secure storage, authentication, and data protection standards.
  • Experience publishing and maintaining applications in the Apple App Store and Google Play Store.
  • Experience working within Agile/Scrum development environments.
  • Familiarity with CI/CD pipelines, automated testing, and release management.
  • Strong Git version control and collaborative development practices.
  • Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent professional experience.

Experience that would be great to have
  • Experience developing native mobile applications using Swift and/or Kotlin.
  • Experience building custom React Native native modules and bridges for iOS and Android.
  • Knowledge of React Native New Architecture, including TurboModules and Fabric.
  • Experience with Expo, CodePush, Firebase, or similar mobile development platforms.
  • Experience with automated testing frameworks such as Jest, React Native Testing Library, Detox, or Appium.
  • Experience with AWS, Azure, or Google Cloud Platform.
  • Experience implementing analytics, crash reporting, observability, and mobile performance monitoring solutions.
  • Fintech, banking, payments, digital wallet, or PCI-regulated industry experience.
  • Experience supporting large-scale consumer-facing mobile applications with millions of users.

How you'll work
This role is on-site Monday through Friday. Fiserv considers in-person collaboration to be an essential part of this role, helping create a strong onboarding experience, drive innovation, and foster effective teamwork.
Sponsorship
  • You must currently possess valid and unrestricted U.S. work authorization to be considered for this role. Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered.

#LI-RM1
Salary Range
$109,000.00 - $182,400.00
These pay ranges apply to employees in New Jersey and New York. Pay ranges for employees in other states may differ.
It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.
For incentive eligible associates, the successful candidate is eligible for an annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards in the Company's sole discretion.
Thank you for considering employment with Fiserv. Please:
  • Apply using your legal name
  • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Equal Opportunity:
Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.
If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact AskHR.US@fiserv.com. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv's Disability Accommodation Policy for additional information.
Note to agencies:
Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.
Warning about fake job posts:
Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

What Fiserv employees say

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About Fiserv

Sourced by ZipRecruiter

Fiserv is a global leader in fintech and payments for over 35 years serving thousands of financial institutions and millions of businesses in more than 100 countries. Our Purpose is to deliver superior value for our clients through leading technology, targeted innovation, and excellence in everything we do as we process over 40% of the world's debit and credit transactions.

Industry

It services and software development

Company size

10,000+ Employees

Headquarters location

Brookfield, WI, US

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