Android Payment App Engineer - Onsite Jacksonville

PAX Technology; Jacksonville (FL); Hybrid; USD 80,000 - 110,000; Full time

Benefits offered by this job

Medical benefits

401(k) employer match

Paid vacation

Tuition reimbursement

Recognition program

Team-building stipend

Job summary

PAX Technology in Jacksonville, FL is seeking an Android Payment Application Developer to design, develop, test, and maintain Android-based payment applications for PAX terminals. You will implement UIs with Java and Kotlin, integrate with payment APIs and POS hardware, and ensure security compliance.

This onsite role runs Monday–Friday, 9:00am–6:00pm, collaborating with product managers, QA, UX, and other developers to deliver reliable, secure payment solutions and high-quality software.

Qualifications

• 2+ years of hands-on experience developing Android applications using Java and/or Kotlin.
• Strong knowledge of Android application architecture, Android SDK, and Android Studio.
• Experience with SQLite, RESTful APIs, and mobile application debugging.
• Experience developing payment applications, POS systems is highly preferred.
• Knowledge of EMV and payment industry standards is a plus.
• Understanding of software development best practices, including version control, code reviews, and testing.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent verbal and written communication skills.
• Ability to work effectively in a collaborative, cross-functional, and global team environment.
• Bachelor’s degree in computer science, Software Engineering, or a related field, or equivalent professional experience.
• Mandarin language proficiency is a plus.

Responsibilities

• Design, develop, test, debug, and maintain Android applications for payment terminals.
• Implement application features using Java, Kotlin, Android SDK, and vendor-provided payment libraries.
• Integrate with payment hardware, card readers, PIN entry devices, printers, scanners, and other POS peripherals.
• Collaborate with product managers, QA engineers, UX designers, and other developers to deliver high-quality software.
• Troubleshoot software defects, identify root causes, and implement effective solutions.
• Create and maintain technical documentation for software design, implementation, and support.
• Ensure applications meet performance, reliability, security, and maintainability requirements.

Skills

Android development

Java/Kotlin

Android SDK

RESTful APIs

SQLite

Team collaboration

Android Studio

Vendor payment libraries

Payment APIs

POS hardware integration

Education

Bachelor's degree in CS/SE or related field

Equivalent professional experience

Tools

Android Studio

Vendor payment libraries

Payment APIs

POS hardware integration

Job description

PAX Technology in Jacksonville, FL is seeking an Android Payment Application Developer to design, develop, test, and maintain Android-based payment applications for PAX terminals. You will implement UIs with Java and Kotlin, integrate with payment APIs and POS hardware, and ensure security compliance.

This onsite role runs Monday–Friday, 9:00am–6:00pm, collaborating with product managers, QA, UX, and other developers to deliver reliable, secure payment solutions and high-quality software.