Principal, Mobile Developer
Confirmed on the employer's own hiring board on Nov 11, 2026. First seen by Alion on Nov 4, 2026. Fidelity Investments scores A on the Alion truth index.
Fidelity will not provide immigration sponsorship for this position.
Job Description:
We're looking for product-aware engineers who are passionate, inquisitive, and responsible individuals to help deliver the best mobile experience to our customers. The ideal candidate is deeply entrenched in mobile development, with a passion for leveraging the right tools and frameworks to guide the development of stable, robust, and resilient apps.
The Team
Our team builds amazing experiences for millions of Personal Investing customers. We focus on creating rich and compelling native experiences leveraging the best Android UI guidelines by way of robust tooling to provide deep, financial insights, enabling ‘on the go’ financial management. We work in a collaborative and fast-paced environment, with a culture of learning, coaching and mentoring. We advance mobile-first strategies to delight our customers.
The Expertise You Have
- 6+ years of professional experience developing publicly available Android apps using Kotlin.
- Experience working in a team of Android developers participating in code reviews, pull requests, and pair programming. Demonstrable experience mentoring and coaching other Android developers.
- Participated in the development of an Android experience from feature inception to launch using automated tooling like Jenkins, Gradle, and release and DevOps monitoring tools.
The Skills You Bring
- Your experience with Jetpack Compose, Kotlin Coroutines, Retrofit, etc. and a strong understanding of modern development principles such as Trunk-Based Development, Test-Driven Development, multi-module applications, feature toggles, etc. to support performant and collaborative engineering teams.
- Your understanding of the benefits of a loosely coupled architecture, using strategies such as repositories, use cases, MVVM, MVP, and clean architecture.
- Your knowledge of the mobile landscape, trends, and emerging technologies used in creating performant, resilient, and robust Android apps. Kotlin Multiplatform Mobile (KMM) is a plus.
- Experience driving quality & release pipelines. Strong understanding of CI/CD tools such as Jenkins, Artifactory, and static-code analyzers to deliver high-quality apps continuously and autonomously.
- Good understanding of Android’s accessibility features and experience building accessible experiences.
The Value You Deliver
- Staying ahead of the curve by collaborating with architecture, security, COEs 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 PI's mobile outcomes and facilitate a mobile-first mindset.
- Supporting a mobile-first world through upskilling and augmenting squads with deep mobile expertise
Company Overview
At Fidelity, we are focused on 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 experiences. For information about working at Fidelity, visit Fidelitycareers.com
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 TechnologyPlease 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.