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Full Stack Engineer

  • Hybrid
  • Merrimack, New Hampshire
Tech (2)

Description

Principle Software Engineer in Test

The Expertise and Skills You Bring

A highly collaborative and technically proficient software engineering professional, this individual brings strong expertise in modern development frameworks, programming languages, and architectural patterns. With a proven track record of hands-on development and technical leadership, they excel at delivering high-quality, accessible, and scalable solutions while mentoring team members and fostering engineering best practices. Passionate about continuous delivery and innovation, they effectively partner with cross-functional teams to drive impactful outcomes.
  • 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
  • Working knowledge of Docker, NgRx, and RxJS is a plus
  • Passion for continuous integration and continuous delivery practices
  • Bachelor’s degree in Computer Science or equivalent experience
  • 6–10 years of software development experience
  • 3–5 years of technical leadership experience


The Role

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.
  • 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 Team

Fidelity Charitable is established in 1991 with a mission to further the American tradition of philanthropy by making charitable giving simple and effective. Since its founding, it has helped donors support over 180,000 nonprofit organizations with more than $18 billion in grants. Fidelity Charitable Services (FCS) aims to be the premier provider of charitable solutions, offering innovative and satisfying ways for customers to give, and operates the nation’s largest donor-advised fund, which has introduced tens of thousands of donors to more impactful ways of achieving their philanthropic goals.
Fidelity Charitable Technology group develops the next-generation technology that directly impacts how customers accomplish their philanthropic goals. As a Software Engineer within the technology business unit, you will help take Fidelity Charitable applications to the next level of evolution 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.

The hourly pay rate range for this position is $80.00 – $115.00 per hour.

Placement in the range will vary based on job responsibilities and scope, geographic location, candidate’s relevant experience, and other factors

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Why choose Fidelity TalentSource?

Fidelity TalentSource

Fidelity TalentSource, is the in-house temporary staffing provider for Fidelity Investments. Unlike traditional staffing agencies, we are an internal business unit within Fidelity's Talent Acquisition team, dedicated to recruiting talent from various backgrounds for roles in Fidelity's regional and investor centre locations. Our mission is to help you experience Fidelity's diverse and inclusive workplace while expanding your skill set and professional network, with the ultimate goal of conversion to full-time employment as part of Fidelity's long-term strategy. For information about working at Fidelity TalentSource, visit FTSJobs.com. Fidelity TalentSource is an equal opportunity employer. Fidelity TalentSource will reasonable accommodate applicants with disabilities who need adjustments to complete the application or interview process.

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 associates for their unique perspectives and experiences.

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