Principal Full Stack Software Engineer

Job Description:

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

The Role

Fidelity’s Charitable Technology group is adding a Principal Full Stack Software Engineer to our Durham regional campus. In this role, you'll serve as a technical leader and strategic influencer and drive architectural direction and engineering excellence across teams. With your deep expertise in modern development practices, object-oriented design, and design patterns, you'll lead complex initiatives spanning the full software development lifecycle. As a Principal Engineer, you'll be recognized for your ability to scale impact beyond individual contributions, by mentoring senior engineers, shaping best practices, and partnering across the organization to deliver innovative, high-quality solutions that drive business outcomes.

As a highly collaborative and technically proficient software engineering professional, you'll bring strong expertise in modern development frameworks, programming languages, and architectural patterns. With a proven track record of hands-on development and technical leadership, you'll be expected to excel at delivering high-quality, accessible, and scalable solutions while mentoring team members and fostering engineering best practices. You must be passionate about continuous delivery and innovation and effectively partner with cross-functional teams to drive impactful outcomes.

• Define and drive engineering standards, best practices, and technical strategy across teams and projects

• Provide technical leadership across all phases of the software development lifecycle, from architecture and design to implementation and deployment

• Influence system architecture and design decisions to ensure scalability, performance, and long-term maintainability

• Collaborate effectively with senior developers, stakeholders, architects, and cross-functional teams to align on technical vision and execution

• Serve as a hands-on technical leader, contributing to complex and high-impact development efforts with a strong sense of ownership

• Establish and uphold high standards for code quality through design reviews, code reviews, and engineering governance practices

• Mentor and coach engineers at all levels, fostering technical growth, leadership development, and a culture of excellence

• Lead initiatives that drive continuous improvement in engineering practices, tooling, and team effectiveness

• Promote a culture of innovation, accountability, and continuous learning across the organization

The Expertise and Skills You Bring 

• 6–10 years of hands-on full stack development experience

• 3–5 years of technical leadership experience

• Demonstrated expertise in back-end technologies (Spring Boot) and/or front-end technologies (Angular TypeScript)

• Strong knowledge of Java and Spring framework

• Solid understanding of SQL and Object Relational Mapping tools such as Hibernate

• Proficient in JavaScript and AngularJS

• Proven expertise in applying software engineering architecture and design patterns (object-oriented, functional, REST)

• Familiarity with SASS/SCSS and building applications with accessibility in mind

• Exemplary collaboration skills, working effectively with product owners, business analysts, software architects, software engineers, and quality engineers

• Strong hands-on technical contributor with experience producing clean, unit-tested, and maintainable code

• Experience mentoring junior engineers, defining coding standards, and promoting best practices

• Experience focusing on accessibility using screen readers and other assistive tools

• Passion for continuous integration and continuous delivery practices

• Experience with Oracle and MongoDB databases

• Experience with AWS and other cloud computing platforms

• Working knowledge of Docker, NgRx, and RxJS is a plus

• Bachelor’s degree in Computer Science or equivalent experience

The Team

Fidelity Charitable is a 501(c)(3) public charity. We help donors maximize their generosity through our donor-advised fund, called the Giving Account. Established in 1991, we are the nation’s top grantmaker, distributing $18.3 billion to charities in 2025.

Fidelity’s Charitable Technology group develops the next-generation technologies that directly impacts how customers accomplish their philanthropic goals. As a member of the Fidelity Philanthropic Services business unit, you will help Fidelity Charitable applications evolve through hands-on software development, technical mentoring, and cross-team collaboration with a diverse, co-located engineering team, while also visualizing customer issues as drivers for internal change.

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.

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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.