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**Principal Mobile Developer** leads cross-platform (iOS/Android) app development, driving reliability and performance through automated UI tests (XCUI, Espresso) and CI/CD pipelines (Jenkins, Artifactory, SonarQube). With 5+ years' experience in SwiftUI, Swift, Kotlin, and Agile, this senior-level role mentors teams, sets mobile engineering standards, and collaborates cross-functionally. Applicants must demonstrate proficiency in iOS and Android development, CI/CD, and DevOps strategies. Compensation: $171,600 - $181,000/year.
- Compensation
- $171,600 – $181,000 USD
- City
- Not specified
- Country
- Not specified
Currency: $ (USD)
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:
Bachelors 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, Masters 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-ViewViewModel (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.
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Fidelitys 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 TechnologyPlease be advised that Fidelitys 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.
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Benefits that balance life and work
From our fully paid parent leave to our on-site health and wellness centers, our benefits support the belief that more balance you have, the better you can achieve your goals.
Company overview
Company overview
At Fidelity, we are passionate about 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 experience.
Reasonable accommodations
Fidelity will reasonably accommodate applicants with disabilities who need adjustments to participate in the application or interview process. To initiate a request for an accommodation contact the HR Accommodation Team by sending an email to accommodations@fmr.com, or by calling 800-835-5099, prompt 2, option 3.
Equal opportunity employer
Fidelity Investments is an equal opportunity employer. We believe that the most effective way to attract, develop, and retain a diverse workforce is to build an enduring culture of inclusion and belonging.
Applicant screening
At Fidelity, we value honesty, integrity, and the safety of our associates and customers within a heavily regulated industry. Certain roles may require candidates to go through a preliminary credit check during the screening process. Candidates who are presented with a Fidelity offer will need to go through a background investigation and may be asked to provide additional documentation as requested. This investigation includes but is not limited to a criminal, civil litigations and regulatory review, employment, education, and credit review (role dependent). These investigations will account for 7 years or more of history, depending on the role. Where permitted by federal or state law, Fidelity will also conduct a pre-employment drug screen, which will review for the following substances: Amphetamines, THC (marijuana), cocaine, opiates, phencyclidine.
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