Search
Principal Mobile Engineer

Principal Mobile Engineer

locationMerrimack, NH, USA
remoteHybrid
PublishedPublished: 2/5/2026
Full Time

Principal Mobile Engineer

Fidelity TalentSource is your destination for discovering your next temporary role at Fidelity Investments. We are currently sourcing for a Principal Mobile Engineer to work in Merrimack New Hampshire!

The Role

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

We 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, multi-functional teams. You'll have the opportunity to supply 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 an iterative, and fast-paced environment.

The Expertise You Have

  • 10+ years of professional experience developing publicly available Android apps using Android Kotlin
  • Strong experience with Jetpack Compose, and 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
  • Proven experience mentoring and coaching other Android developers

The Skills You Bring

  • Your passion creating amazing experiences on using Google’s Human Interface Guidelines using your knowledge of functional programming and reactive patterns
  • Your desire to delight our clients with the latest mobile technologies using your deep knowledge of MVVM mobile Architecture
  • Your knowledge of the mobile landscape, architectures, trends, and emerging technologies used in creating performant, resilient, and robust mobile apps
  • Excellent understanding of consuming RESTful web services
  • Experience in modern development principles such as trunk-based development, feature toggles, and branch by abstraction to support performant engineering teams
  • Accustom to CI/CD tools such as Jenkins, DevOps, and Artifactory to continuously and autonomously deliver high-quality apps to guarantee stable and performant experiences
  • Experince in testing concepts and frameworks using industry standard (e.g., compose, Maestro, etc.) with a focus on DevSecOps
  • Strong Understanding of Google’s accessibility features and experience building accessible experiences
  • Good understanding of dependency management
  • Experience with Splunk/Data Dog and Firebase Crashlytics

The Value You Deliver

  • Collaborating with architecture, security, and UXD to build architecturally compliant apps
  • Collaborate with platform squads to define mobile engineering standards, protocols, and tooling
  • Providing mobile thought leadership to advance mobile outcomes and facilitate a mobile-first approach
  • Serving as Mobile advocates for the adoption of experiences that tackle the needs of our digitally minded customers

Dynamic Working

Fidelity’s hybrid working model blends the best of both onsite and offsite work experiences. Working onsite is important for our business strategy and our culture. We also value the benefits that working offsite offers associates. Most hybrid roles require associates to work onsite all business days of every other week in a Fidelity office.