Senior Level Principal Full Stack Engineer Jobs
Senior level principal full stack engineer jobs put engineers in charge of architectural direction, cross-functional delivery, and the technical standards that engineering teams build against. Openings concentrate across Technology & Software, Investment & Asset Management, and Consulting & Professional Services, with 44% of roles offered remotely or hybrid, and employers like BetterUp, BNY, and CapTech Consulting hiring at this level now.
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Job Description:
The Role
We are looking for a Principal Full Stack Engineer to join us!
As a Principal Full Stack Engineer, you will play a leadership role on a Scrum team within Digital Platforms Technology. You will be encouraged to gain understanding of all the components of our web applications and will work with the members of the squad to deliver outstanding customer experience solutions. You will be a member of an agile team(s) to architect, build, test, and design the features that make up Fidelity’s Digital experiences. You will also be expected to provide leadership, guidance, and mentoring to the other Developers within the wider Digital Platforms Technology team.
The Expertise and Skills You Bring
Digital experience engineering 6+ years of experience
BS/BA Degree or equivalent experience preferred
Demonstrated experience in communicating technical designs and capabilities to non-technical team members, product owners, and partners
Experience collaborating in a team environment to architect, develop, and support key applications and features
A demonstrable understanding of the Agile software development methodology
Relevant knowledge of modern application architecture patterns and emerging technologies
Appreciation for and alignment to standard methodologies regarding object-oriented design, coding standards, RESTful service consumption and integration, common design patterns, secure application development, and test coverage
Proficiency with server-side/mid-tier languages, frameworks, libraries, and related technologies: Java SE, Apache Tomcat, Spring MVC/Spring Boot, Logback, SLF4j, Maven
Client-side language, library, and framework proficiency: Angular 8+, JavaScript/TypeScript, Node, NPM, HTML/CSS, RxJS, Jasmine/Karma
The Team
Fidelity's Workplace Investing Digital Platforms Technology team designs, develops, implements, and supports WI’s suite of Digital products and services. The Digital Platforms development team focuses on delivering innovative solutions that meet the needs of our customers. Our systems professionals thrive, with a steadfast dedication to innovation, which furthers a culture of continuous improvement and significant achievement. We see ourselves as a vital link to Fidelity's customers. This is a fast-paced group that is using ground-breaking technologies to build powerful tools and outstanding user experiences for our customers, using Java-based technologies.
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 associate 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 participate in the application or interview process. To initiate a request for an accommodation please contact the following:
For roles based in the US: Contact the HR Leave of Absence/Accommodation Team by sending an email to accommodations@fmr.com, or by calling 800-835-5099, prompt 2, option 2
For roles based in Germany: Contact accomodationsgermany@fmr.com
For roles based in Ireland: Contact accomodationsireland@fmr.com
Fidelity Privacy policy
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.
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Find JobsSenior Level Principal Full Stack Engineer Job Market
Who's Hiring
- BetterUp13

- BNY8
- CapTech Consulting6
- Fidelity Investments6
- Cambridge Mobile Telematics5
Top Industries Hiring
- Technology & Software70
- Investment & Asset Management17
- Consulting & Professional Services15
- Education9
- Banking & Financial Services9
Senior Level Principal Full Stack Engineer Jobs: Frequently Asked Questions
How do I get a senior level principal full stack engineer job?
Employers at this level look for engineers who have owned outcomes across full product cycles, not just contributed to them. Demonstrating that you have shaped architecture decisions, driven engineering standards, and mentored junior and mid-level engineers separates competitive candidates. A portfolio of systems you designed end-to-end, combined with evidence of cross-team influence, carries more weight than any single technical credential.
Which companies hire senior level principal full stack engineers?
Companies hiring senior level principal full stack engineers right now include BetterUp, BNY, and CapTech Consulting, based on current listings on Migrate Mate as of July 2026. Hiring at this level is spread across large technology organizations, growth-stage product companies, and enterprises investing in platform modernization.
Are there remote senior level principal full stack engineer jobs?
Yes, and the availability at senior level is strong. About 44% of senior level principal full stack engineer openings are remote or hybrid as of July 2026, reflecting employer confidence that engineers at this level can lead architecture and delivery without being on-site. Many fully remote roles at this level still involve periodic travel for planning and team alignment.
What makes a principal full stack engineer role senior level?
Senior level principal full stack engineer roles are defined by scope and accountability rather than task execution. Engineers at this stage own the technical direction of significant products or platforms, make architectural decisions with long-term consequences, and are responsible for the growth of the engineers around them. The expectation is that you drive outcomes independently and shape how your organization builds software.
Which industries hire the most senior level principal full stack engineers?
Senior Level principal full stack engineer roles concentrate in Technology & Software, Investment & Asset Management, and Consulting & Professional Services, based on current listings on Migrate Mate as of July 2026. These sectors drive hiring at this level because they operate complex, high-scale systems where senior engineering leadership directly affects product reliability, speed to market, and competitive differentiation.