Principal Android Engineer: Modern Mobile Architect

Fidelity Investments Inc.; Westlake (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Fidelity Investments is seeking a Principal Mobile Developer to design and deliver native Android applications using Kotlin and Java. The role emphasizes modern architecture, testing, and mentoring teams in a fast-paced agile environment.

You will collaborate with cross-functional teams to ensure secure, scalable mobile experiences while advancing CI/CD pipelines and testing strategies for quality releases.

Qualifications

• Experience developing native Android apps using Kotlin/Java.
• Strong MVVM architecture understanding and UI implementation.
• Experience with RESTful APIs, data persistence, and security considerations.

Responsibilities

• Develop Android apps using Kotlin and Android SDK in an agile environment.
• Coach and mentor developers to improve code stability and resiliency.
• Collaborate with platform squads to define mobile engineering standards and tooling.
• Contribute to reusable components to accelerate other engineers and reduce time-to-market.
• Lead by example in adopting modern design patterns and CI/CD practices.

Skills

Native Android development

Kotlin

Java

MVVM

UI development (XML, Jetpack Compose)

CI/CD

Education

Bachelor's degree in CS/Engineering or related field

Master's degree in CS/Engineering or related field

Tools

Android Studio

Gradle

Jetpack Libraries

Retrofit/OkHttp

Job description

Fidelity Investments is seeking a Principal Mobile Developer to design and deliver native Android applications using Kotlin and Java. The role emphasizes modern architecture, testing, and mentoring teams in a fast-paced agile environment.

You will collaborate with cross-functional teams to ensure secure, scalable mobile experiences while advancing CI/CD pipelines and testing strategies for quality releases.