Principal Mobile Developer

Fidelity Investments

$171K — $181K *
Finance & Insurance
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's or Master's degree in Computer Science or related field with 3-5 years experience as a Principal Mobile Developer.
  • Expertise in developing iOS applications with Swift, SwiftUI, Objective-C, and testing frameworks like XCUITest.
  • Proficiency in Android application development with Kotlin, Jetpack Compose, and Espresso.
  • Experience in configuring CI/CD pipelines with tools like Jenkins, SonarQube, and GitHub.
  • Strong understanding of mobile development best practices in Agile and Scrum environments.

Responsibilities

  • Builds accessible mobile experiences for iOS and Android.
  • Mentors junior developers within the mobile team.
  • Implements modern engineering principles for collaborative development.
  • Defines mobile engineering standards with platform squads.
  • Advocates for mobile strategies that meet customer needs.
  • Analyzes user requirements to assess design feasibility.
  • Consults with stakeholders on project progress and technical challenges.

Benefits

  • Transitioning to a full-time onsite working model with flexible arrangements as needed.
  • Supportive and collaborative team environment focusing on mentorship and growth.
  • Opportunities for ongoing professional development and training.
  • Access to cutting-edge technologies and tools in mobile development.
  • Engagement in a mobile-first approach enhancing both career and project outcomes.
Full Job Description
Job Description:

Position Description:

Builds, debugs, and supports mobile applications across iOS and Android platforms. Designs, implements, and maintains automated user interface (UI) tests using XCUI (iOS) and Espresso (Android), ensuring robust validation and reliability. Leverages Xcode with Swift and Android Studio with Kotlin to deliver high-quality software in Agile environments. Integrates accurate, scalable test suites into Continuous Integration and Continuous Deployment (CI/CD) pipelines, using tools -- Jenkins, Artifactory, and SonarQube to enable autonomous, high-performance application delivery. Collaborates with mobile development teams through code reviews, pull requests, and pair programming to uphold code quality and consistency. Builds modern, scalable, and future-ready applications that comply with architectural standards. Partners with architecture, security, and User Experience Design (UXD) teams to deliver performant, accessible mobile applications.

Primary Responsibilities:

  • Builds accessible experiences on iOS and Android.
  • Mentors other iOS and Android developers in a collaborative and team-based organization.
  • Supports performant and collaborative engineering teams using modern development principles trunk-based development, feature toggles, and branch by abstraction.
  • Partners with platform squads to define mobile engineering standards, best practices, and tooling.
  • Provides insights to advance mobile outcomes and facilitates a mobile-first approach.
  • Serves as mobile advocate for the adoption of experiences that solve the needs of customers.
  • Analyzes user needs and software requirements to determine feasibility of design within time and cost constraints.
  • Confers with data processing or project managers to obtain information on limitations or capabilities for data processing projects.
  • Confers with systems analysts, engineers, programmers and others to design systems and to obtain information on project limitations and capabilities, performance requirements, and interfaces.
  • Consults with customers or other departments on project status, proposals, or technical issues, for software system design or maintenance.
  • Develops and executes software testing and validation procedures, programming, and documentation.


Education and Experience:

Bachelor's degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and five (5) years of experience as a Principal Mobile Developer (or closely related occupation) developing and deploying iOS and Android applications in a financial services environment, using SwiftUI, Swift, Jetpack compose, Kotlin, and Jenkins.

Or, alternatively, Master's degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and three (3) years of experience as a Principal Mobile Developer (or closely related occupation) developing and deploying iOS or Android applications in a financial services environment, using SwiftUI, Swift, Jetpack compose, Kotlin, or Jenkins.

Skills and Knowledge:

Candidate must also possess:

  • Demonstrated Expertise ("DE") developing the full-cycle iOS using Swift, SwiftUI, and Objective-C; building scalable, testable applications with XCUITest or XCTest, using Model-View-ViewModel (MVVM), View, Interactor, Presenter, Entity, and Router (VIPER), and Clean Architecture, and Test Driven Development (TDD); and designing responsive UIs in Figma and Adobe XD within Agile and Scrum workflows.
  • DE designing and developing Android mobile applications, using Java, Kotlin, Jetpack Compose, and Espresso with Agile and Scrum execution via Jira; and delivering scalable, maintainable applications using MVVM, VIPER, and Clean Architecture supported by Git, Azure, Jenkins, and Android Studio.
  • DE working with mobile DevOps for iOS and Android by configuring CI/CD pipelines with SonarQube, Jenkins, Shell scripts, Fastlane, and GitHub to analyze code quality, automate builds, manage code signing, execute tests, and deploy seamlessly to TestFlight, Google Play, App Center, and Azure Cloud environments.
  • DE maintaining application stability by monitoring health and crashes with Firebase Crashlytics, AppDynamics, and New Relic; optimizing performance via Xcode, Android Studio native profiling tools, and Charles Proxy; and safeguarding data through security reviews and static analysis with SonarQube or Veracode.

Salary: : $171,600.00 to $181,000.00 /year.

#PE1M2

#LI-DNI

Fidelity's Onsite Working Model
Fidelity is transitioning to a full-time onsite working model through a phased rollout across regions and roles. Currently, some roles and locations require 100% onsite presence, while others require less. Onsite expectations are likely to evolve as the rollout continues. This transition does not apply to fully remote roles.

Certifications:

Category:

Information Technology

Similar Jobs

More Jobs at Fidelity Investments

More Finance & Insurance Jobs

Find similar Principal Mobile Developer jobs: