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Principal iOS Engineer - Testing Specialist

Fidelity

Fidelity

Software Engineering
Boston, MA, USA · Merrimack, NH, USA · Westlake, TX, USA
Posted on Apr 7, 2025

Job Description:

Are you interested in serving the needs of millions of customers by building outstanding products and digital experiences that help strengthen the financial well-being of our customers?

We’re actively seeking a passionate, humble individual who brings deep technical expertise in mobile architecture, engineering, with an eye towards desktop, tablet, and wearable platforms and has a passion for business innovation.


The Team

Fidelity Brokerage Alternatives & Fidelity Crypto Experience technology team contributes to and influences the direction of Alternative Investments and Fidelity Crypto solutions for retail customers. We are a comprehensive software engineering practice, leading the build of core product and platform capabilities, the championing of new technologies and promoting collaboration and open communication to facilitate better decision-making at all levels.

The Purpose of Your Role

Our teams build and contribute to Fidelity’s digital presence. As a software 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.

The Expertise You Have

  • 6+ years of professional experience developing publicly available native iOS apps using Swift, SwiftUI, UIKit, Objective-C, Xcode in an agile environment.

  • Experience or willingness to learn Android, web and cloud-based technologies.

  • Knowledge of mobile landscape, architectures (MVVM, Clean Architecture), trends and emerging technologies used in creating performant and resilient native iOS Apps.

  • Your passion crafting user experiences on iOS using Apple’s Human Interface Guidelines using your proven understanding of functional programming and reactive patterns.

  • Good understanding of accessibility features and building accessible experiences on iOS

  • Experience with Swift concurrency, combine and asynchronous programming in general

  • Excellent understanding of testing concepts and frameworks using XCTest, and XCUITest

  • Your advanced Git skills, branching strategies and CI/CD practices.

  • Your knowledge of HTTP based APIs, Networking and how the internet works.

  • Understanding containerization, Docker, and orchestration will be a plus.

  • Experience in internet security: OAuth, Open ID connect and knowledge of standard methodologies

  • Strong working knowledge of AWS ecosystem (EC2, Lambda, Serverless computing, DynamoDB)

  • Understanding containerization, Docker, and orchestration will be a plus.

  • End-to-end architecture experience with focus on customer experience, ease of use, reusable core & common components development, leverage proven architecture pattens, standards, accessibility guidelines, security, A/B testing, personalization, analytics and measurements

The Skills You Bring

  • Use your knowledge of testing and testability to influence better software design, promote proper software engineering and bug prevention strategies, testability and security

  • Actively participate in the development process through writing and maintain application features and automated tests including unit tests, component tests, integration tests, functional tests, performance tests, scenario tests and interoperability tests

  • Support the team in designing reliable, accurate tests, and in integrating them into CI/CD pipelines

  • Collaborate with team members on improving team's test coverage, release velocity and production health

  • Enable the team in designing and developing automation using XCUI and Android Frameworks

The Value You Deliver

  • Obsessed with creating the best end-to-end customer experience

  • Owns the outcome by taking personal accountability for delivering strong results

  • Full-stack engineer with knowledge in a breadth of technologies and test automation frameworks

  • Self-directed, willing to take initiative, pragmatic and results-oriented

  • Has keen attention to detail and wants to solve really hard problems, not just detect them

  • Able to learn large software systems end-to-end quickly

  • Keenly interested in learning new technologies and their adoption

How Your Work Impacts the Organization

With you as a core member of the technology leadership team, we will together continue to drive and enhance a strong engineering culture that is built on a core foundation that revolves around passion for excellence, community and accountability.

We believe that diversity in background and experience will nurture an inclusive and engaging work environment for our employees. This ultimately enables us to deliver a better product for our customers. It is our genuine belief that delivering the best possible customer experience requires an artful blend of human ingenuity and technology. While we value smart technologists, we are fanatics about our culture that promotes aligned autonomy and ownership. People who are great cultural fits demonstrate curiosity to learn, are unafraid to break things, step up and take the lead, take ownership of their projects, and thrive by sharing knowledge

Certifications:

Category:

Information Technology

Fidelity’s hybrid working model blends the best of both onsite and offsite work experiences. Working onsite is important for our business strategy and our culture. We also value the benefits that working offsite offers associates. Most hybrid roles require associates to work onsite every other week (all business days, M-F) in a Fidelity office.

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.

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 experiences. For information about working at Fidelity, visit FidelityCareers.com. Fidelity Investments is an equal opportunity employer. Fidelity will reasonably accommodate applicants with disabilities who need adjustments to complete the application or interview process.

If you would like to request an accommodation, please contact us at:

accommodations@fmr.com

Apply

Join us

At Fidelity, you’ll find endless opportunities to build a meaningful career that positively impacts peoples’ lives, including yours. You can take advantage of flexible benefits that support you through every stage of your career, empowering you to thrive at work and at home. Honored with a Glassdoor Employees’ Choice Award, we have been recognized by our employees as a top 10 Best Place to Work in 2024. And you don’t need a finance background to succeed at Fidelity—we offer a range of opportunities for learning so you can build the career you’ve always imagined.

Fidelity's working model blends the best of working offsite with maximizing time together in person to meet associate and business needs. Currently, most hybrid roles require associates to work onsite all business days of one assigned week per four-week period (beginning in September 2024, the requirement will be two full assigned weeks).

We invite you to Find Your Fidelity at fidelitycareers.com.

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.

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.

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.

Benefits
Learning & development
Culture

Benefits that adapt to everything life sends your way

401(k) with company match

Medical, dental, vision and prescription drug coverage

16-week maternity leave & 12-week parental leave

Student loan assistance

Fidelity is invested in you

Committed to Professional Development

At Fidelity, we are constantly adapting to the changing needs of our customers, new technologies, and better ways of working. And we empower our employees to do the same, with an emphasis on developing skills and connections that will help propel you forward in your career while being able to make an impact for Fidelity’s customers around the world.

We offer a wide range of options for professional development including online, in-person, and mentor driven solutions. Special interest and networking groups are also part of our culture of empowerment, personal and professional enrichment, diversity and inclusion, and knowledge sharing.

Continuing Education & Training

  • Assess, build, and align your development plan through resources like our skill-building classroom and online courses.
  • Video-based training for technology, leadership, management & more.
  • Ongoing skills development and coaching opportunities.
  • Paid training with a facilitator who is dedicated to your onboarding and will track and evaluate your progress, giving you strategies to improve.
  • A range of talent development programs to support career mobility.

Mentoring

  • Utilize the skills of experienced leaders to enrich your career.
  • Dedicated mentors to help you grow into new areas of Fidelity’s business as you develop new skills.
  • An open atmosphere of knowledge sharing and collaboration.
  • Opportunities to pay it forward, sharing the knowledge you develop and as you help others define how they want their career to take shape.

Our Commitment to Diversity and Inclusion

"Fidelity believes in, and is committed to, fair and equitable treatment for every associate and customer, and to creating a safe and respectful environment, in which everyone is treated with kindness, compassion and respect." Abby Johnson | Chairman and CEO Fidelity Investments

At Fidelity, we are committed to building an enduring culture of inclusion and belonging that will attract, develop and retain a diverse workforce.

Fidelity’s ten affinity groups are self-organized groups of employees with common interests in areas such as race, ethnicity, gender or sexual orientation, or who share similar interests based on similar sets of experiences.

These Employee Resource Groups and Special Interest Groups are models of inclusion for Fidelity. They’re also a powerful form of engagement and development and can provide a pathway to visible leadership roles. Our affinity groups make a large contribution on the business, helping to ensure our products and services are delivered in a welcoming and equitable environment.

  • Over 22K employees participate in an affinity group.
  • Over 1,400 affinity group members volunteered for Fidelity Cares in 2020.
  • 74% increase in affinity group memberships over the last three years.

Giving Back to Our Communities

Throughout Fidelity, you’ll find a genuine commitment to social responsibility – where we strive to make an impact for customers, while also making an impact on the world.

Fidelity Cares

  • Provides associates with opportunities to actively volunteer and share their talents.
  • Hosts numerous company-wide volunteer events (in-person and virtual).
  • Partners with nonprofit organizations to support our local communities.
  • More than 12,000 associates donate time annually – from interns to SVPs.
  • Impact includes refurbishing schools, donating books and supplies, and teaching financial literacy.

Fidelity Charitable®

  • Created to make it easy for people to support charitable organizations they care about.
  • Helped deliver $7.3 billion in donor-recommended grants to charity in 2019.
  • Supported more than 300,000 unique charities around the world.
  • Since its inception, more than $42 billion has been given to public charities.

Technology careers at Fidelity

Imagine and create the next generation of financial products and tools.

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