Senior Android Engineer – Kotlin/Java, FinTech Focus

Valiant Technologies LLC; Atlanta (GA); On-site; USD 120,000 - 180,000; Full time

Job summary

Valiant Technologies LLC in Atlanta is seeking an experienced Senior Android Developer to design, build, and scale enterprise-grade mobile apps for banking and financial services. You will drive architecture, performance, and security across Kotlin/Java-based Android platforms.

You will collaborate with UI/UX, backend, and QA teams to implement robust REST API integrations, secure authentication, and MVVM/Clean Architecture patterns while ensuring high-quality, maintainable code and adherence to

Qualifications

• 14+ years of overall software development experience.
• Strong hands-on experience in Android Application Development.
• Expertise in Kotlin and Java.
• Experience with Android SDK, Android Studio, and Jetpack components.
• Knowledge of MVVM / Clean Architecture.
• Experience with REST APIs, Retrofit, JSON, and API integrations.
• Hands-on experience with Android Jetpack, Coroutines, and Kotlin Flow.
• Experience with Git, CI/CD, and mobile application testing.
• Knowledge of mobile application security and performance optimization.
• Financial Services / Banking domain experience is mandatory.
• Strong communication and problem-solving skills.

Responsibilities

• Design, develop, and maintain native Android applications.
• Build scalable and high-performance mobile applications using Kotlin and Java.
• Develop and integrate RESTful APIs and backend services.
• Implement secure authentication, authorization, and data encryption mechanisms.
• Optimize application performance, usability, and responsiveness.
• Work closely with UI/UX designers, backend developers, and QA teams.
• Perform debugging, testing, and application maintenance.
• Follow Android development best practices and security standards.

Skills

Android development

Kotlin

Java

MVVM

Clean Architecture

REST APIs

Coroutines

Kotlin Flow

Android Testing

Security

Tools

Android SDK

Android Studio

Jetpack components

Retrofit

Git

Job description

Valiant Technologies LLC in Atlanta is seeking an experienced Senior Android Developer to design, build, and scale enterprise-grade mobile apps for banking and financial services. You will drive architecture, performance, and security across Kotlin/Java-based Android platforms.

You will collaborate with UI/UX, backend, and QA teams to implement robust REST API integrations, secure authentication, and MVVM/Clean Architecture patterns while ensuring high-quality, maintainable code and adherence to