Senior Android Engineer (Java) – Enterprise Apps, Onsite Jersey City

Quantum Technologies. LLC; Jersey City (NJ); On-site; USD 140,000 - 190,000; Full time

Job summary

Quantum Technologies. LLC in Jersey City, NJ is seeking a senior Android developer with 12+ years of IT experience to design, develop, and maintain enterprise-grade Android applications using Java.

This on-site role requires Day 1 presence in Jersey City, five days a week. You will build scalable mobile apps, integrate RESTful APIs, and implement robust architecture with reusable components while ensuring security, performance, and device compatibility across diverse Android devices.

Qualifications

• 12+ years of IT experience with hands-on Android development.
• Proven enterprise-grade app design and maintenance.
• Strong Java, RESTful API integration, and performance tuning.
• Experience with Agile/Scrum and code reviews.

Responsibilities

• Design, develop, and maintain scalable Android applications using Java.
• Build responsive and user-friendly mobile interfaces.
• Develop and integrate RESTful APIs and backend services.
• Implement application architecture and reusable components.
• Debug and optimize application performance.
• Ensure application security and compatibility across Android devices.
• Collaborate with UI/UX, backend, QA, and product teams.
• Participate in code reviews, Agile ceremonies, and sprint deliveries.
• Publish and maintain applications through Google Play Store.

Skills

Java

Android SDK

Android Studio

Android development frameworks

RESTful APIs

Backend integration

Android app architecture

Reusable components

Debugging

Performance optimization

Security & stability

Google Play Store deployment

Agile/Scrum

Code reviews

Best practices in development

Tools

Android Studio

Google Play Console

Job description

Quantum Technologies. LLC in Jersey City, NJ is seeking a senior Android developer with 12+ years of IT experience to design, develop, and maintain enterprise-grade Android applications using Java.

This on-site role requires Day 1 presence in Jersey City, five days a week. You will build scalable mobile apps, integrate RESTful APIs, and implement robust architecture with reusable components while ensuring security, performance, and device compatibility across diverse Android devices.