Fidelity will not provide immigration sponsorship for this position.
Job Description:Principal, Full Stack Engineer
Are you interested in serving the needs of millions of customers by building the best-in-class digital experience that helps them in financial planning, investing, and retirement solutions? Our chapter comprises teams that work on a wide range of applications and platforms like Fidelity.com, Fidelity Mobile and Investor Centers. We're looking for product-aware engineers who are passionate, inquisitive, and responsible individuals to help us on our mission to deliver the best omni-channel experience to our customers.
The Purpose of Your Role
Our teams build and contribute to Fidelity’s digital presence. As a principal full stack 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 We’re Looking for
- Proven expertise in architecting, developing multi-tier internet facing web and mobile applications, APIs.
- Expertise in developing detailed technical specifications, architecture for complex systems.
- Proven expertise in mentoring engineers, managing technology roadmaps and facilitating collaboration across technology partners.
- Designing, developing, and maintaining Node JS, and/or Java/JEE based web applications in a fast-paced Scrum environment.
- Design and Development of front-end solutions using JavaScript, Typescript, CSS, HTML & Browser Developer tools
- Designing and implementing continuous JS environments using Webpack, etc.
- Effectively employ DevOps, Automated Testing and Continuous Delivery using technology such as Groovy, Jenkins, Concourse.
- Experience with containerization, Docker, and orchestration.
- Exposure to native mobile development on iOS and/or Android.
- Bachelor’s degree in computer science, Information Science, Mathematics, Physics (or equivalent)
The Skills You Bring
- Your hands of experience working with package management using Node.js, NPM, Express
- Your confidence to leverage modern SPA/UX frameworks (Angular, React)
- Your confidence to employ previous experience of Automation Tools/Frameworks (Cypress, Playwright)
- Your advanced Git skills and respective branching strategies
- Your experience with API Design & Development and Microservices Architecture.
- Your knowledge of HTTP based APIs, Networking and how the internet works.
- Your knowledge of asynchrony (Promises, Observers, Event Loops)
- Your knowledge of Swift and/or Kotlin developing native applications on iOS and/or Android.
- You’re not intimidated by Visual Design & Rapid Prototyping
The Value You Deliver
- Using business knowledge to translate the vision for divisional initiatives into business solutions by developing complex or multiple software applications and conducting studies of alternatives.
- Analyzing and recommending changes in project development policies, procedures, standards, and strategies to development experts and management.
- Creating and maintaining comprehensive documentation for multiple applications or subsystems.
- Establishing full project life cycle plans for complex projects across multiple platforms.
- Participate in iteration planning to maintain velocity and deliver quality each sprint.
- Analyzing business requirements and system development specifications.
- Participating in problem solving, troubleshooting, performance turning, production support, and maintenance of existing APIs.
- Playing a key role in resolving technical roadblocks involving multiple technologies.
- Ensuring code reviews, unit testing, and integration testing are completed efficiently and effectively.
- Helping to coordinate the delivery of technical components across internal/external technical teams.
- Providing technical leadership and mentoring to more junior team members.
- Contributing to process-improvement initiatives in an effort to maximize velocity for the product team.
How Your Work Impacts the Organization
We believe that diversity in background and experience will foster an inclusive and engaging work environment for our employees. This ultimately enables us to deliver a better product for our customers.
Being technically competent is only telling half the story. We believe 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 autonomy and leadership at all levels.
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 and demonstrating our core pillars.
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.
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
- Expertise architecting and developing multi-tier, internet-facing web and mobile applications and APIs
- Expertise creating technical specifications and architectures for complex systems
- Experience mentoring engineers, managing technology roadmaps, and collaborating across technology partners
- Experience developing Node.js and/or Java/JEE web applications
- Experience with JavaScript, TypeScript, CSS, HTML, and browser developer tools
- Experience with Webpack or similar continuous JavaScript environments
- Experience with DevOps, automated testing, and continuous delivery using tools such as Groovy, Jenkins, or Concourse
- Experience with containerization and orchestration, including Docker
- Exposure to native mobile development on iOS and/or Android
- Bachelor's degree in computer science, information science, mathematics, physics, or equivalent
- Experience with Node.js package management, NPM, and Express
- Experience with Angular and/or React
- Experience with Cypress, Playwright, or comparable automation frameworks
- Advanced Git skills and branching strategies
- Experience designing and developing APIs and microservices architectures
- Knowledge of HTTP-based APIs, networking, and Internet fundamentals
- Knowledge of asynchronous programming, including Promises, Observers, and Event Loops
- Knowledge of Swift and/or Kotlin for native iOS or Android development
- Experience with visual design and rapid prototyping
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.
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Strong & Reliable Incentives — Bonuses, commissions, and profit-sharing are presented as generous and meaningful components of total compensation, with certain roles achieving high total earnings through multiple pay streams. Variable pay is consistently framed as a positive contributor beyond base salary.
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Retirement Support — A 401(k) match up to 7% alongside additional profit-sharing up to 10% materially enhances long-term compensation. These retirement features are highlighted as standout strengths of the overall package.
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Parental & Family Support — Generous paid parental leave (16 weeks maternity, 12 weeks parental), backup dependent care, and adoption assistance provide robust family support. Hybrid work and caregiving resources further ease family responsibilities.
Fidelity Investments Insights
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.









