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Principal Mobile Developer - 2130546

Job

FMR LLC d/b/a Fidelity Investments

Westlake, TX (In Person)

$106,500 Salary, Full-Time

Posted 1 week ago (Updated 10 hours ago) • Actively hiring

Expires 7/19/2026

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Job Description

Salary Confidential Position range in Denton County $80k•$133k Per Year Principal Mobile Developer•2130546 FMR LLC d/b/a Fidelity Investments

Occupation:

Software Developers

Location:

Westlake, TX•76262

Job Type:

Regular, Full Time (30 Hours or More), Permanent Employment, Day Shift

Posted:

06/10/2026 Positions available: 1

Source:

WorkInTexas

Web Site:

WorkInTexas Onsite /

Remote:

Not Specified

Updated:

06/17/2026

Expires:

07/15/2026

Agency Job ID:

2130546 Job #: 17025410 Job Requirements and Properties Help for Job Requirements and Properties. Work Onsite Full Time Education Bachelor's Degree Experience 60 Month(s) Schedule Full Time Job Type Regular Duration Permanent Employment Hours 40 Hours Per Week Shift Day Shift Help for .

Position Description:

Develops publicly available Android applications using Kotlin, Android SDK, Gradle, and Android Studio in an agile environment. Understands testing concepts and frameworks and has demonstrable experience coaching other developers on building with a stability and resiliency of the code mindset. Leverages Continuous Integration and Continuous Deployment tools (Jenkins, Artifactory, and SonarQube) to continuously and autonomously deliver high-quality applications to guarantee stable and performant experiences. Applies understanding of Android Jetpack and open-source libraries (Retrofit and OkHttp) to build modern, architecturally compliant, and future-ready applications. Uses Coroutines, Kotlin Multiplatform Mobile (KMM), and Jetpack Compose for modern development principles (trunk-based development, feature toggles, and branch by abstraction) to support performant and collaborative engineering teams.

Primary Responsibilities:

Uses knowledge of the mobile landscape, architectures, trends, and emerging technologies used to develop tools, patterns and reusable components to help the organization create performant, resilient, and robust applications. Partners with platform squads and architecture to define mobile engineering standards, best practices, and tooling. Proactively aligns architecture, user experience, and security to stay in sync with industry trends. Participates in the development of reusable components for the purpose of accelerating other engineers, increasing stability and resiliency of the application, and reducing time-to-market. Collaborates with teams through technical coaching and mentoring to help them build architecturally compliant applications. Provides mobile thought leadership to advance mobile outcomes and facilitate a mobile-first approach. Advocates for the adoption of experiences that solve the needs of digitally minded customers. Provides technical coaching for adherence to software engineering best practices, including patterns like Object-Oriented and functional programming, and methodologies like Test-Driven Development. Applies modern design patterns (Clean Architecture) to build multi-module applications.