Principal Mobile Developer

Posted 2 Days Ago
Be an Early Applicant
Westlake, TX, USA
In-Office
Senior level
Fintech
The Role
Architects enterprise-scale Android applications and drives mobile engineering strategy across teams. Develops reusable components, custom build tooling, CI/CD pipelines, and scalable modular architectures using Kotlin and Java. Establishes engineering standards, testing practices, security, performance, and maintainability requirements. Provides technical leadership through architecture governance, code reviews, coaching, and mentoring. Advances mobile capabilities using Jetpack Compose, Coroutines, Firebase, AI-assisted development tools, and modern Android design patterns.
Summary Generated by Built In

Fidelity will not provide immigration sponsorship for this position.

Job Description:

Position Description:


Architects the development of enterprise‑scale Android applications by applying advanced Android User Interface (UI) guidelines and robust tooling to enable secure, real‑time financial management, while driving technical strategy across multiple teams. Designs and evolves complex application architectures and takes a lead role in building automation pipelines leveraging DevOps principles and Continuous Integration and Continuous Delivery (CI/CD) tools. Guides the adoption and implementation of Android design patterns, including Clean Architecture, Model-View-View Model (MVVM), and Model–View–Intent (MVI), while establishing quality standards through comprehensive testing with JUnit, Espresso, and Mockito. Provides senior‑level technical guidance through architectural governance, code reviews, and mentorship. Advances platform capabilities using Coroutines, Jetpack Compose, and Kotlin Multiplatform Mobile (KMM). Ensures scalability, performance, and maintainability across mission‑critical mobile solutions. 


Primary Responsibilities:


  • Develops tools, patterns, and reusable components to help the organization create performant, resilient, and robust applications.
  • Partners with platform squads and architecture to define mobile engineering standards, best practices, and tooling.
  • Proactively aligns architecture, user experience, and security to stay in sync with industry trends.
  • Participates in the development of reusable components for the purpose of accelerating other engineers, increasing stability and resiliency of the application, and reducing time-to-market.
  • Collaborates with teams through technical coaching and mentoring to help them build architecturally compliant applications.
  • Provides mobile thought leadership to advance mobile outcomes and facilitate a mobile-first approach.
  • Advocates for the adoption of experiences that solve the needs of digitally minded customers.
  • Provides technical coaching for adherence to software engineering best practices, including patterns (Object-Oriented and functional programming), and methodologies (Test-Driven Development).
  • Applies modern design patterns (Clean Architecture) to build multi-module applications.


Education and Experience:


Bachelor’s degree in Computer Science, Engineering, Information Technology, Information Systems, Data Science, or a closely related field (or foreign education equivalent) and five (5) years of experience as a Principal Mobile Developer (or closely related occupation) performing native Android application development using Kotlin and Java, modern Android UI frameworks, automated build tooling, AI assisted development practices, and cloud based mobile services in an enterprise software engineering environment. 


Or, alternatively, Master’s degree in Computer Science, Engineering, Information Technology, Information Systems, Data Science, or a closely related field (or foreign education equivalent) and three (3) years of experience as a Principal Mobile Developer (or closely related occupation) performing native Android application development using Kotlin and Java, modern Android UI frameworks, automated build tooling, AI assisted development practices, and cloud based mobile services in an enterprise software engineering environment.


Skills and Knowledge:


Candidate must also possess:


·         Demonstrated Expertise developing native Android applications using Kotlin and Java; performing UI development with Jetpack Compose and Material Design principles; and implementing MVVM architecture for scalable and maintainable codebases, using Android Studio, Gradle, and Jetpack libraries (ViewModel, LiveData, and Navigation).  

·         Demonstrated Expertise developing custom Gradle and Android Studio plug‑ins to automate build and release processes, enforce coding and architectural standards, and increase developer productivity. 

·         Demonstrated Expertise leveraging AI‑driven development tools (GitHub Copilot and Google Gemini) to accelerate feature development, improve code quality, and enhance both developer and end‑user experience. 

·         Demonstrated Expertise architecting and implementing modular, scalable Android applications using Kotlin and Java in accordance with industry‑standard design patterns and engineering best practices; leveraging GitHub for source control, versioning, and collaborative code reviews to maintain high‑quality codebases; and utilizing Firebase services (Authentication, Crashlytics, Cloud Messaging, or Remote Config) to enhance application stability, performance, and feature delivery.

#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

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.

Skills Required

  • Bachelor's degree in Computer Science, Engineering, Information Technology, Information Systems, Data Science, or a closely related field, plus five years of experience as a Principal Mobile Developer or closely related occupation.
  • Alternatively, a master's degree in Computer Science, Engineering, Information Technology, Information Systems, Data Science, or a closely related field, plus three years of relevant experience.
  • Native Android application development using Kotlin and Java in an enterprise software engineering environment.
  • Experience with modern Android UI frameworks, including Jetpack Compose and Material Design principles.
  • Experience implementing MVVM architecture and scalable, maintainable codebases using Android Studio, Gradle, and Jetpack libraries.
  • Experience developing custom Gradle and Android Studio plugins for build automation, release processes, and coding standards enforcement.
  • Experience using AI-driven development tools, including GitHub Copilot and Google Gemini.
  • Experience architecting modular, scalable Android applications using industry-standard design patterns and engineering best practices.
  • Experience using GitHub for source control, versioning, and collaborative code reviews.
  • Experience using Firebase services such as Authentication, Crashlytics, Cloud Messaging, or Remote Config.

Fidelity Investments Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Fidelity Investments and has not been reviewed or approved by Fidelity Investments.

  • Retirement Support — Retirement contributions and benefits are frequently highlighted as a strong part of the total rewards package. Employer retirement support is seen as materially enhancing overall compensation.
  • Strong & Reliable Incentives — Profit sharing and bonuses are commonly described as valuable additions to pay. These incentives help the total compensation feel more competitive even when base salaries are viewed as moderate.
  • Healthcare Strength — Health coverage is often called out as a positive aspect of the benefits package. Access to solid healthcare benefits contributes to satisfaction with total compensation.

Fidelity Investments Insights

Am I A Good Fit?
beta
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
HQ: Boston, MA
58,848 Employees
Year Founded: 1946

What We Do

At Fidelity, our goal is to make financial expertise broadly accessible and effective in helping people live the lives they want. We do this by focusing on a diverse set of customers: - from 23 million people investing their life savings, to 20,000 businesses managing their employee benefits to 10,000 advisors needing innovative technology to invest their clients’ money. We offer investment management, retirement planning, portfolio guidance, brokerage, and many other financial products. Privately held for nearly 70 years, we’ve always believed by providing investors with access to the information and expertise, we can help them achieve better results. That’s been our approach- innovative yet personal, compassionate yet responsible, grounded by a tireless work ethic—it is the heart of the Fidelity way.

Similar Jobs

In-Office
Westlake, TX, USA
58848 Employees

ServiceTitan Logo ServiceTitan

Principal Software Engineer

Artificial Intelligence • Cloud • Fintech • Machine Learning • Mobile • Software
Remote or Hybrid
US
2760 Employees
247K-396K Annually

Liberty Mutual Insurance Logo Liberty Mutual Insurance

Inside Sales Representative

Artificial Intelligence • Fintech • Insurance • Marketing Tech • Software • Analytics
Remote or Hybrid
12 Locations
40000 Employees
45K-85K Annually

Tapestry - Coach and Kate Spade Logo Tapestry - Coach and Kate Spade

Retail Contingent

eCommerce • Fashion • Retail • Sales • Wearables • Design
Hybrid
Allen, TX, USA
16000 Employees
15-20 Hourly

Similar Companies Hiring

Hanover Park Thumbnail
Artificial Intelligence • Fintech • Software • Financial Services
New York, New York
42 Employees
Kepler  Thumbnail
Artificial Intelligence • Fintech • Software
New York, New York
9 Employees
Onshore Thumbnail
Artificial Intelligence • Fintech • Software • Financial Services
New York, New York
85 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account