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Mobile App Developer Jobs in Washington, MO (NOW HIRING)

Atria Group LLC

Android Mobile Developer

O Fallon, MO · On-site

$52.25 - $68.50/hr

Our company provides application analysis, design, development and programming, software ... Develop Android Java code mobile app and SDK deliverables based upon documented requirements and ...

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Mobile App Developer information

See Washington, MO salary details

$47.3K

$97.7K

$139.7K

How much do mobile app developer jobs pay per year?

As of Aug 25, 2026, the average yearly pay for mobile app developer in Washington, MO is $97,704.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,800.00 and $112,800.00 per year, depending on experience, location, and employer.

What is a mobile app developer?

Mobile app developers are professionals who design, build, and maintain applications for mobile devices such as smartphones and tablets. They use programming languages like Java, Swift, or Kotlin to create apps for platforms such as iOS and Android. These developers work closely with designers and other team members to ensure the app is user-friendly, functional, and meets client or business requirements. Their responsibilities also include testing and updating apps to fix bugs and add new features.

What are some common challenges mobile app developers face when working on cross-platform applications?

Mobile App Developers often encounter challenges when developing cross-platform applications, such as ensuring consistent user experiences across different devices and operating systems. Managing varying hardware capabilities, screen sizes, and OS-specific behaviors can require extra testing and fine-tuning. Additionally, integrating with native features or third-party services may demand creative problem-solving to maintain performance and functionality. Collaboration with designers and QA teams is essential to address these challenges and deliver high-quality apps.

What are the key skills and qualifications needed to thrive as a mobile app developer, and why are they important?

To thrive as a Mobile App Developer, you need strong programming skills in languages such as Java, Kotlin, Swift, or Flutter, supported by a relevant degree or equivalent experience. Familiarity with development environments like Android Studio or Xcode, along with knowledge of APIs and app deployment processes, is typically required. Creativity, problem-solving, and effective communication help developers interpret user needs and collaborate with designers or stakeholders. These competencies ensure the creation of high-quality, user-friendly apps that meet business objectives and industry standards.

Are mobile app developers still in demand?

Yes, mobile app developers are in high demand due to the continued growth of smartphone usage and app-based services. Skills in programming languages like Swift and Kotlin, along with experience in app design and development, are valuable in this field.

How do you become a mobile app developer?

To become a mobile app developer, you typically need to learn programming languages such as Java, Swift, or Kotlin, and gain experience with mobile development frameworks and tools like Android Studio or Xcode. Building a portfolio of apps and understanding user interface design are also important, and many developers pursue relevant degrees or certifications to enhance their skills.

How to get a job in mobile app development?

To get a job as a mobile app developer, build a strong portfolio of apps demonstrating your skills in programming languages like Java, Swift, or Kotlin, and familiarize yourself with development environments such as Android Studio or Xcode. Gaining relevant certifications, staying updated on industry trends, and applying through job boards or company websites can improve your chances of securing a position.

Is a mobile app developer a good career?

A mobile app developer is a viable career choice with strong demand due to the widespread use of smartphones and mobile applications. The role typically requires skills in programming languages like Swift or Kotlin, and opportunities exist across various industries, offering competitive salaries and growth potential.

What cities near Washington, MO are hiring for Mobile App Developer jobs?

Cities near Washington, MO with the most Mobile App Developer job openings:

Mobile App Developer jobs near you
Infographic showing various Mobile App Developer job openings in Washington, MO as of August 2026, with employment types broken down into 72% Full Time, and 28% Contract. Highlights an 74% In-person, and 26% Hybrid job distribution, with an average salary of $97,704 per year, or $47 per hour.

Android Mobile Developer

Atria Group LLC

O Fallon, MO • On-site

$52.25 - $68.50/hr

Full-time

Re-posted 4 days ago

Job description

Company Description

We specialize in Staffing, Consulting, Software Development, and Training along with IT services to small to medium size companies. AG's primary objective is to help companies maximize their IT resources and meet the ever-changing IT needs and challenges.

In addition, AG offers enterprise resource planning and enterprise application integration, supply-chain management, e-commerce solutions, and B2B public exchanges and B2B process integration solutions. Our company provides application analysis, design, development and programming, software engineering, systems development, testing, integration, and implementation, and management consulting services to various clients - including governmental agencies and private companies - throughout the United States and India.

We provide these services in multiple computing environments and use technologies such as client/server architecture, object-oriented programming languages and tools, distributed database management systems, state-of-the-art networking, and communications infrastructures. Our honest and realistic approach to recruiting dictates that AG does not entice or lure engineers from their employers. We represent only high caliber technical professionals who have committed to making a change required by career.

Job Description

Job Description:

  • Develop Android Java code mobile app and SDK deliverables based upon documented requirements and design for clients biometrics Pilots for the Identity
  • Check product for 3 Pilots, each Pilot will have 1 test version and 1 Prod version of Android app
  • Assist with the deployment and registration of the client's mobile application in the Google Play and Apple App stores
  • Support the documentation of FAQs for helpdesk
  • Provide level 2 support for biometric pilot production issues
Additional Information
  1. Good comm skills are a big priority
  2. Duration: 12+ months 

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