Mobile Application Developer - iOS & Android

Quantum Technologies. LLC; Helena, Northern (MT, KY); Hybrid; USD 55,000 - 90,000; Full time

Job summary

Quantum Technologies LLC in Helena, MT is seeking a Mobile Application Developer to build and enhance cross‑platform apps for iOS and Android using React Native. The role focuses on improving efficiency, data integrity, and functionality of the mobile app through analysis, design, development, testing, and deployment activities.

You will work with local storage for offline use, consume and produce JSON REST services, and collaborate in an Agile environment with Kanban, GitLab, IntelliJ, Spring,

Qualifications

• Proficient in React Native for iOS and Android.
• Experience with offline data storage in mobile apps.
• Strong Java and OO programming.
• Experience consuming/producing JSON REST services.
• Experience with Oracle and PostgreSQL.
• Familiar with Agile, Kanban, GitLab, IntelliJ, Spring, Struts, WildFly, and UX/UI.
• Code adheres to FWP design, security standards.
• Thoroughly tested, production-ready code.
• Documented code changes.
• Work must be deliverable at end of each sprint with testable features.

Responsibilities

• Develop mobile apps using React Native for iOS and Android.
• Ensure offline operation using local storage.
• Integrate JSON REST services and backend data.
• Work with Oracle and PostgreSQL databases.
• Follow Agile methodologies with Kanban, GitLab, and CI/CD considerations.
• Produce well-documented, tested, deployable code at sprint ends.
• Implement and verify UI/UX requirements.

Skills

React Native

iOS

Android

Local storage

Java

JSON REST services

Agile

UX/UI

Tools

React Native

iOS

Android

Local storage

Java

JSON REST

Oracle

PostgreSQL

Agile

Kanban

GitLab

IntelliJ

Spring

Struts

WildFly

UX/UI

Job description

Mobile Application Developer - iOS & Android

Location:

Helena,, MT

Duration:

12Months+ Extension

Hourly Rate:

Depending on Experience (DOE)

Work Authorization:

The Mobile Application Developer will be responsible for improving the overall efficiency, data integrity, and functionality of the mobile application to support ongoing management. Tasks include detailed analysis, design, development, testing, and implementation activities necessary to develop requested enhancements, system interfaces, queries, and reports.

The scope of this project includes enhancements to the existing mobile app or the development of a new mobile app (if applicable). Work may include user interfaces, database design/modification, batch jobs, reports, queries, or other technical work necessary to accomplish a functional component.

The following list is in an initial priority order; however, priorities will be assessed regularly using an Agile development methodology. This will define specific deliverables for each period throughout the contract term and ensure that the highest priority and highest value work is accomplished first.

Job Role

• Developer with strong mobile application development skills and experience developing inReact NativeforiOSandAndroidplatforms.
• Experienced in usinglocal storagein mobile applications for offline operation.
• Familiar withJavaand experienced withobject-oriented programming principles.
• Proficient in consuming and producingJSON REST services.
• Experienced withRDBMSplatforms such asOracleandPostgreSQL.
• Additional skills includeAgile,Kanban,GitLab,IntelliJ,Spring,Struts,Wildfly, andUX/UI.
• Working source code that adheres to FWP’s design, development, and security standards.
• Thoroughly tested and production-ready (deployable) code.
• Documented code changes.
• Work must be committed, buildable, deployable, and runnable at the end of every sprint cycle with planned and testable feature delivery.
• Required enhancements to FWP mobile applications.
• Fully functional user interfaces that meet requirements outlined by FWP staff.
• Fully functional queries and reporting capabilities, as required.

QUANTUM 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. QUANTUM 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 QUANTUM 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