Principal Mobile Developer

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  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.

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.

• 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, Dev Ops, 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.

• 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, Dev Ops, 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 Dev Sec Ops .
• 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.

• 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 advocate 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…