About the role

What will you do at Fidelity Investments?

Job Description

Principal Full Stack Engineer – AI Technology

Note: Fidelity will not provide immigration sponsorship for this position.

We are looking for an experienced Principal Full Stack Engineer to build scalable AI capabilities for Fidelity Wealth.

In this role, you will

partner with business, product, architecture, data, and platform teams to turn Wealth priorities into secure, reliable solutions that help advisors work more effectively and improve customer experiences.
The Expertise You Bring
Strong technical judgment and the ability to navigate evolving technology landscapes.
A builder mindset, with experience turning ideas into working prototypes and production-ready solutions.
Curiosity, initiative, and a willingness to challenge assumptions and ask thoughtful questions.
Experience with modern programming languages, frameworks, algorithms, data structures, and design patterns.
A test-first approach and commitment to quality engineering practices.
Clear communication skills and the technical depth to lead meaningful design discussions.
A track record of mentoring engineers, owning issues, and delivering end-to-end solutions.
The Skills You Bring
Bachelor’s degree or equivalent experience with 8 plus years of software engineering experience, or a master’s degree with 6 plus years of experience.
Strong understanding of software architecture and design patterns for scalable, resilient systems.
Proven experience with at least one modern language, such as Python, Node.js, or Java.
Hands-on experience with cloud platforms such as AWS, Azure, or Google Cloud.
Experience using GenAI tools such as GitHub Copilot, Gemini, or Claude.
Strong problem-solving skills, sound judgment, and a growth mindset.
Ability to collaborate effectively, embrace feedback, and deliver on commitments.
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.

Which skills does this role require?

System designScalable systemsMentoringFull stack developmentFull Stack EngineerAI TechnologyFidelity WealthProduction-readyData structuresAlgorithmsTest-first approachQuality engineeringFinancial servicesJavaScriptGCPLLMsPrototyping

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