Principal Full Stack Software Engineer

Fidelity Investments • Durham, NC

3d • Onsite

About The Position

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.
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.

Requirements

• 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
• Bachelor’s degree in Computer Science or equivalent experience

Nice To Haves

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

Responsibilities

• 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

What This Job Offers

• Job Type: Full-time
• Career Level: Principal