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Principal Mobile Developer

Principal Mobile Developer

locationSalt Lake City, UT, USA
PublishedPublished: 11/25/2025
Full Time

Job Description:

Are you interested in serving the needs of millions of customers by building the best-in-class digital experience that helps them in financial planning, investing, and retirement solutions? Our chapter comprises teams that work on a wide range of applications and platforms like Fidelity.com and Fidelity Investments (Mobile/Android). We are looking for product-aware engineers who are passionate, inquisitive, and responsible individuals to help us on our mission to deliver the best omni-channel experience to our customers.

The Team

Our teams build and contribute to Fidelity’s digital presence. As an Android Mobile Engineer, you will help us build the omni channel user experiences and the underlying platforms needed to support our digital presence. You’ll work on building entire features, taking these from concept to deployment, as part of our autonomous, cross functional teams. You'll have the opportunity to contribute ideas to improve our products as well as develop your skills, learn new technologies and languages, and continue to learn. We're looking for highly motivated individuals who work well in a collaborative, iterative, and fast-paced environment.

The Expertise You Have

  • 6+ years of professional experience developing publicly available Android apps using Android Java and/or Kotlin.
  • Verifiable experience as an:
    • Android developer using Android Java/Kotlin, Jetpack Compose, Android Studio/Jetbrains
  • Fluency in Android object-oriented and/or functional programming from industry working experience.
  • Participated in the release of at least 1 publicly available app to the Google Play Store participating from inception to launch using automated tooling like Jenkins, DevOps, and the Android toolchain.
  • Experience working in leading a team of Android developers participating in architectural and design high value creation and discernment, code reviews, pull requests, and pair programming.
  • Demonstrable experience mentoring and coaching other Android developers in a collaborative and team-based organization.

The Skills You Bring

  • Your passion creating amazing experiences on using Google’s Human Interface Guidelines using your strong understanding of functional programming and reactive patterns using Combine or equivalent technology.
  • Your desire to delight our clients with the latest mobile technologies using your deep knowledge of mobile architecture patterns including Clean Architecture and MVC. Experience with MVVM, VIPER is a plus.
  • Your knowledge of the mobile landscape, architectures, trends, and emerging technologies used in creating performant, resilient, and robust mobile apps.
  • Excellent understanding of computer science fundamentals, data structures, and algorithms to ensure adherence to software engineering best practices including object-oriented and functional programming
  • Excellent understanding of consuming RESTful web services, preferably using Apple-provided protocols
  • Strong understanding of modern development principles such as trunk-based development, feature toggles, and branch by abstraction to support performant and collaborative engineering teams.
  • Strong understanding of CI/CD tools such as Jenkins, DevOps, and Artifactory to continuously and autonomously deliver high-quality apps to guarantee stable and performant experiences.
  • Good understanding of testing concepts and frameworks using industry standard (e.g., compose, Maestro etc.) with a focus on DevSecOps.
  • Good understanding of Google’s accessibility features and experience building accessible experiences.
  • Good understanding of dependency management.
  • Experience with Jetpack compose, Splunk/Data Dog and Firebase Crashlytics.

The Value You Deliver

  • Collaborating with architecture, security, and UXD to build architecturally compliant apps
  • Partnering with platform squads to define mobile engineering standards, best practices, and tooling
  • Providing mobile thought leadership to advance mobile outcomes and facilitate a mobile-first mindset
  • Serving as Mobile advocates for the adoption of experiences that solve the needs of our digitally minded customers ​
  • Staying ahead of the curve by aligning architecture, user experience, and security with chapters and Centers of Excellence.​
  • Supporting a mobile-first world through upskilling and augmenting squads with deep mobile expertise

Company Overview

At Fidelity, we are focused on making our financial expertise broadly accessible and effective in helping people live the lives they want. We are a privately held company that places a high degree of value in creating and nurturing a work environment that attracts the best talent and reflects our commitment to our associates. We are proud of our diverse and inclusive workplace where we respect and value our associates for their unique perspectives and experiences. For information about working at Fidelity, visit FidelityCareers.com.

Fidelity Investments is an equal opportunity employer.

Certifications:

Category:

Information Technology

Most roles at Fidelity are Hybrid, requiring associates to work onsite every other week (all business days, M-F) in a Fidelity office. This does not apply to Remote or fully Onsite roles.

Please be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.