Search
Principal, Full Stack Engineer

Principal, Full Stack Engineer

locationCovington, KY, USA
PublishedPublished: 10/31/2025
Full Time

Job Description:

Principal Full-Stack Engineer

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?

Are you a passionate and curious software engineer with deep technical expertise in web, cloud architecture, and engineering? Are you passionate about engineering maturity? Do you take pride and ownership in the code you write. If you answered yes to these questions, then we’ve been looking for you!


The Team

Fidelity Brokerage Alternatives & Crypto Technology team contributes to and influences Alternative Investment and Fidelity Crypto solutions for retail customers. We are a full stack software engineering team responsible for the development of core products and capabilities. We collaborate and communicate with partners across Fidelity to build enterprise grade solutions.

The Purpose of Your Role

Our engineers build digital experiences for Fidelity customers. As a principal software engineer, you will help guide and mentor an engineering team to build user experiences and the underlying capabilities needed to support our digital presence. You and your team will work on building entire features going from concept to deployment. You'll help drive engineering maturity and foster a culture of code quality and ownership. You’ll have opportunities to contribute ideas to improve our products, build new skills, learn new technologies, and continue to grow as an engineer. We're looking for highly motivated individuals who work well in a collaborative, iterative, and fast-paced environment.

The Expertise and Skills You Bring

  • 7+ years of professional experience developing web apps using Angular 12+, RxJS, Redux/NgRx and TypeScript in an agile environment.
  • Knowledge of web landscape, architectures (micro-frontend, BFF, Module Federation), trends and emerging technologies used in creating performant and resilient websites
  • Your advanced Git skills, branching strategies and CI/CD practices.
  • Your knowledge of HTTP/S based APIs, Networking and how the internet works.
  • Expertise with test automation tools and frameworks e.g. Cypress, Playwright, Jest and Storybook.
  • Critical problem-solving skills, Passionate, opinionated about writing clean, testable, readable, and easily maintainable code with a test-first development approach
  • Familiarity with developing features for our web experiences using Angular and Microservices in NodeJS/NestJS.
  • Experience with Nx workspaces, ability to use Nx for managing monorepos and enhancing developer productivity
  • Experience in internet security: OAuth, Open ID connect and knowledge of standard methodologies
  • Strong working knowledge of AWS ecosystem (EC2, Lambda, Serverless computing, DynamoDB) is beneficial
  • 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

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

Most roles at Fidelity are Hybrid, requiring associates to work onsite every other week (all business days, M-F) in a Fidelity office. This does not apply to Remote or fully Onsite roles.

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.