Principal Software Engineer

Fidelity InvestmentsSmithfield, RI

About The Position

As a Principal Software Engineer, this individual serves as a technical leader and strategic influencer, driving architectural direction and engineering excellence across teams. With deep expertise in modern development practices, object-oriented design, and design patterns, they lead complex initiatives spanning the full software development lifecycle. They are recognized for their ability to scale impact beyond individual contributions—mentoring senior engineers, shaping best practices, and partnering across the organization to deliver innovative, high-quality solutions that drive business outcomes.

Requirements

  • 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 staff and defining coding standards and best practices
  • Proven expertise in applying software engineering architecture and design patterns (object-oriented, functional, REST)
  • Strong knowledge of Java and Spring framework
  • Solid understanding of SQL and Object Relational Mapping tools such as Hibernate
  • Strong proficiency in JavaScript, Angular, and AngularJS
  • Familiarity with SASS/SCSS and building applications with accessibility in mind
  • Experience focusing on accessibility using screen readers and other assistive tools
  • Bachelor’s degree in Computer Science or equivalent experience
  • 6–10 years of software development experience
  • 3–5 years of technical leadership experience

Nice To Haves

  • Working knowledge of Docker, NgRx, and RxJS is a plus
  • Passion for continuous integration and continuous delivery practices

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

Benefits

  • Fidelity will reasonably accommodate applicants with disabilities who need adjustments to participate in the application or interview process.
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