Senior Android Engineer - FinTech & Enterprise Apps

Quantum Technologies. LLC; Atlanta (GA); On-site; USD 140,000 - 190,000; Full time

Job summary

Quantum Technologies. LLC is seeking an experienced Senior Android Developer to build scalable, secure Android apps for enterprise-grade banking and financial services.

You will design, develop, and optimize features, collaborating with UI/UX, backend, and QA teams to deliver robust mobile solutions. The ideal candidate brings 14+ years of software development, expert Kotlin/Java skills, and strong focus on security, performance, and API integrations.

Qualifications

• Minimum 14+ years of software development experience.
• Proven Android app development with Kotlin/Java.
• Experience with Android SDK, Android Studio, Jetpack components.
• Banking/financial services domain experience mandatory.
• Strong communication and problem-solving skills.

Responsibilities

• Design, develop, and maintain native Android apps.
• Build scalable, high-performance mobile applications using Kotlin and Java.
• Integrate RESTful APIs and backend services.
• Implement secure authentication, authorization, and data encryption.
• Optimize performance, usability, and responsiveness.
• Collaborate with UI/UX designers, backend developers, and QA teams.
• Conduct debugging, testing, and maintenance.
• Adhere to Android best practices and security standards.

Skills

Android development

Kotlin

Java

Security & data encryption

Performance optimization

REST API integration

Team collaboration

Problem solving

Communication

Tools

Android SDK

Android Studio

Jetpack components

Retrofit

JSON

Git

CI/CD

Testing

Job description

Quantum Technologies. LLC is seeking an experienced Senior Android Developer to build scalable, secure Android apps for enterprise-grade banking and financial services.

You will design, develop, and optimize features, collaborating with UI/UX, backend, and QA teams to deliver robust mobile solutions. The ideal candidate brings 14+ years of software development, expert Kotlin/Java skills, and strong focus on security, performance, and API integrations.