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Mobile Developer Jobs in Belleville, IL (NOW HIRING)

Pyramid IT

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

... Mobile Development and Test Automation The company was incorporated in the State of Georgia in 1996 ... Founded 1996 Role: Java Developer Location - St. Louis, MO Duration: Long term contract Work ...

Jobsbridge

UI Developer

Saint Louis, MO

$48.50 - $63.25/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... mobile and tablet browsers. Qualifications React.js,AngularJS, react.js, jQuery, jQuery UI ...

The Timberline Group

.Net/Angular Developer

Saint Louis, MO · On-site +1

$53.25 - $65.25/hr

We are seeking an Angular developer with a C# .NET background to join our team in St. Louis, MO ... Develop user interfaces for mobile and desktop applications that communicate with external web ...

Rapsodo

Senior Software Developer

Saint Louis, MO · On-site

$53 - $70/hr

Bachelor's or Master's degree in Computer Science, Engineering, or a related field. * 8+ years of mobile development experience with deep familiarity across both Android and iOS ecosystems. * 3+ ...

Rapsodo

Senior Software Developer

Saint Louis, MO · On-site

$53 - $70/hr

Bachelor's or Master's degree in Computer Science, Engineering, or a related field. * 8+ years of mobile development experience with deep familiarity across both Android and iOS ecosystems. * 3+ ...

Rapsodo

Senior Software Developer

Saint Louis, MO · On-site

$53 - $70/hr

Bachelor's or Master's degree in Computer Science, Engineering, or a related field. * 8+ years of mobile development experience with deep familiarity across both Android and iOS ecosystems. * 3+ ...

The Timberline Group

Developer C# .Net

Saint Louis, MO · On-site +1

Develop user interfaces for mobile and desktop applications that communicate with external web ... At least two (2) years of programming/engineering and design experience with the following skills:

The Timberline Group

Java / J2EE Developer

Saint Louis, MO · On-site +1

$49.50 - $64.25/hr

We strive to keep learning and using the latest technologies from mobile (all platforms) to cloud ... Strong understanding of Object Oriented Programming * Analyze and develop Java solutions based on ...

Aggio

Lead Developer

Saint Louis, MO

$57.25 - $75/hr

... mobile applications Comfortable working with agile processes and test driven development Experience with unit testing and integration testing frameworks' BS in Computer Science or related Benefits

Aggio

Lead Developer

Saint Louis, MO · On-site

$57.25 - $75/hr

Aggio (aggio.io) is looking for a Full Stack Lead developer and Technical Architect to help build a ... supporting mobile applications • Comfortable working with agile processes and test driven ...

The Timberline Group

Java / J2EE Developer

Saint Louis, MO · On-site +1

$49.50 - $64.25/hr

We strive to keep learning and using the latest technologies from mobile (all platforms) to cloud ... Strong understanding of Object-Oriented Programming (OOP) * Analyze and develop Java solutions ...

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All JobsMobile Developer JobsMobile Developer Jobs in Belleville, IL

Mobile Developer information

See Belleville, IL salary details

$10

$53

$80

How much do mobile developer jobs pay per hour?

As of Aug 13, 2026, the average hourly pay for mobile developer in Belleville, IL is $53.44, according to ZipRecruiter salary data. Most workers in this role earn between $40.14 and $64.42 per hour, depending on experience, location, and employer.

How much do mobile developers make?

Mobile developers typically earn a median annual salary ranging from $70,000 to $120,000, depending on experience, location, and skill set. Those proficient in both iOS and Android development or with specialized skills in Swift or Kotlin tend to earn higher salaries. Entry-level positions may start lower, while senior developers with extensive experience or certifications can earn significantly more.

Is a mobile developer a good career?

A mobile developer is a viable career choice due to the high demand for mobile applications across industries. The role typically requires skills in programming languages like Swift or Kotlin and knowledge of app development environments, with opportunities for growth and competitive salaries. The field offers a dynamic work environment and the chance to work on innovative projects.

What is a mobile developer?

A mobile developer is involved in app development for smartphone and mobile applications. Your job duties include creating a detailed app development plan, writing source code, and testing finished builds. Exact responsibilities may vary depending on app type, platform, your company, and the industry. The career requires you have excellent communication skills, as you collaborate with a team of other developers on a daily basis. Most mobile developers have at least a bachelor’s degree in computer science.

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

To thrive as a Mobile Developer, you need strong programming skills in languages like Swift, Kotlin, or Java, along with experience in mobile app development frameworks and a relevant degree or equivalent experience. Familiarity with integrated development environments (IDEs) such as Android Studio or Xcode, and knowledge of version control systems like Git, are crucial, as are certifications in mobile platforms. Strong problem-solving, attention to detail, and effective teamwork set standout professionals apart in this field. These competencies ensure the development of high-quality, user-friendly mobile applications that meet client and market needs.

What is the difference between Mobile Developer vs Web Developer?

AspectMobile DeveloperWeb Developer
Required CredentialsTypically a degree in computer science or related field; proficiency in mobile SDKs (iOS, Android)Similar degrees; expertise in HTML, CSS, JavaScript, and web frameworks
Work EnvironmentDevelops apps for iOS and Android platforms, often using IDEs like Xcode or Android StudioBuilds websites and web applications, usually working with browsers and web servers
Employer & Industry UsageTech companies, startups, app development firmsBusinesses with online presence, digital agencies, e-commerce

Mobile Developers focus on creating applications for mobile devices using platform-specific tools, while Web Developers build websites and web apps accessible via browsers. Both roles require programming skills but differ in platforms and development environments.

What are some common challenges mobile developers face when working with cross-platform frameworks?

Mobile Developers often encounter challenges when using cross-platform frameworks such as React Native or Flutter, including managing platform-specific functionality and performance optimization. Ensuring a consistent user experience across iOS and Android devices can require additional testing and custom code. Additionally, keeping up with frequent framework updates and compatibility changes can be demanding. Effective collaboration with designers and backend teams is essential to address these challenges and deliver high-quality mobile applications.
More about Mobile Developer jobs

What are the most commonly searched types of Developer jobs in Belleville, IL?

The most popular types of Developer jobs in Belleville, IL are:

What cities near Belleville, IL are hiring for Mobile Developer jobs?

Cities near Belleville, IL with the most Mobile Developer job openings:

Mobile Developer jobs near you
Infographic showing various Mobile Developer job openings in Belleville, IL as of July 2026, with employment types broken down into 69% Full Time, 14% Part Time, 4% Temporary, 12% Contract, and 1% Nights. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution, with an average salary of $111,147 per year, or $53.4 per hour.

Java Developer

Pyramid IT

Saint Louis, MO • On-site

$49.50 - $64.25/hr

Contractor

Re-posted 6 days ago

Job description

Company Description

Pyramid is a leading Information Technology Consulting services company headquartered in metropolitan Atlanta, GA with prime emphasis on the following service offerings:
Staff Augmentation
Lifecycle IT solutions
o Application Development & Support
o Outsourced Testing
Mobile Development and Test Automation
The company was incorporated in the State of Georgia in 1996 and has grown to over 2500 Information Technology consultants serving clients across the United States and around the globe. In addition to Atlanta, Pyramid has offices worldwide including Charlotte, NC; Chicago, IL; Dallas, TX; Richmond, VA; San Francisco, CA and Somerset, NJ in the United States, London in the United Kingdom, Singapore, and three offices in India (New Delhi, Hyderabad and Chandigargh).
Pyramid has been ranked by Staffing Industry Analysts as one of the largest diversity staffing firms specializing in IT and among the fastest growing U.S. staffing firm overall. In addition, Pyramid is a previous winner of the National Minority Supplier Development Council's Supplier of the Year and has won numerous Supplier of the Year awards from the Georgia Minority Supplier Development Council.see less

Specialties

IT Staff Augmentation, Application Management Services, Enterprise Project Solutions, Mobile Development, Mobile Test Automation, Product and Engineering Services, Enterprise Mobility, Test Automation, QA - Manual and Automated Testing, QA Strategy

  • Website

    http://www.pyramidci.com

  • Industry

    Information Technology and Services

  • Type

    Privately Held

  • Company Size

    1001-5000 employees

  • Founded

    1996

Job Description

Role: Java Developer

Location - St. Louis, MO

Duration: Long term contract

Work Authorization status : US Citizen & Green card only

 

Mandatory Skills:

J2EE (Java, JSP, Servlets, Filters, Listeners, JSTL, EL)

Struts 2.0 (MVC framework for Web Tier)

EJB 3.0 (Business Tier)

Web Services (SOAP, WSDL, JAX-WS, JAXB), JMS for Integration and Messaging

SOA (Service Oriented Architecture)

XML, XSL, XSLT, Ajax

SQL, PL/SQL

UML

JBPM (Workflow Engine)

Ant, Maven

Security - Authentication, Authorization

Design Patterns

Database - Oracle 10g, 11g

Application Servers - Websphere, Jboss

Experience in Tools- Toad, My Eclipse, XML Spy, CVS, SVN




Qualifications
Additional Information
All your information will be kept confidential according to EEO guidelines.

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