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Principal Full Stack Engineer

Role overview

Qualifications

  • Bachelor’s or Master’s degree in Computer Science, Engineering, or related field
  • 8 plus years of experience in full stack development, with at least 3 years in a senior or principal role
  • Strong proficiency in front-end frameworks (React, Angular, or Vue) and back-end technologies (Node.js, Java, Python)
  • Expertise in AWS services (EC2, Lambda, S3, RDS, API Gateway, CloudFormation)

Responsibilities

  • Lead the design and implementation of end-to-end solutions across front-end, back-end, and cloud infrastructure
  • Architect and optimize AWS-based cloud environments, ensuring scalability, security, and cost efficiency
  • Develop high-quality, maintainable code using modern frameworks and languages (React, Angular, Node.js, Java, Python, etc.)
  • Mentor and guide engineering teams, promoting best practices in coding, testing, and architecture

Key facts

Hard skills

Other skills

  • Leadership
  • Mentorship
  • Collaboration

About the company

Fidelity Investments logo

Fidelity Investments

Financial Services

Fidelity’s mission is to strengthen the financial well-being of our customers and deliver better outcomes for the clients and businesses we serve. Fidelity’s strength comes from the scale of our diversified, market-leading financial services businesses that serve individuals, families, employers, wealth management firms, and institutions. With assets under administration of $15.0 trillion, including discretionary assets of $5.9 trillion as of March 31, 2025, we focus on meeting the unique needs of a broad and growing customer base. Privately held for 78 years, Fidelity employs more than 77,000 associates across the United States, Ireland, and India. For our Terms and Conditions, please visit http://go.fidelity.com/LIterms

Company details

IndustryFinancial Services
Company size10,001+

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Job description

Job Description:

Note: Fidelity will not provide immigration sponsorship for this position

Principal Full Stack Engineer

The Role

We are seeking a Principal Full Stack Engineer to lead the design and development of scalable, high-performance applications across the entire technology stack. This role requires deep expertise in modern web technologies, cloud architecture (AWS), and leadership in driving technical excellence. The ideal candidate will be a hands-on engineer who can architect solutions, mentor team members, and ensure best practices in software development.

The Expertise and Skills You Bring

  • Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.

  • 8 plus years of experience in full stack development, with at least 3 years in a senior or principal role.

  • Strong proficiency in front-end frameworks (React, Angular, or Vue) and back-end technologies (Node.js, Java, Python).

  • Expertise in AWS services (EC2, Lambda, S3, RDS, API Gateway, CloudFormation).

  • Experience working with relational database technologies (Postgres / Oracle)

  • Knowledge of mock frameworks and service virtualization preferred

  • Experience with containerization and orchestration (Docker, Kubernetes).

  • Solid understanding of microservices architecture and RESTful APIs.

  • Lead the design and implementation of end-to-end solutions across front-end, back-end, and cloud infrastructure.

  • Architect and optimize AWS-based cloud environments, ensuring scalability, security, and cost efficiency.

  • Develop high-quality, maintainable code using modern frameworks and languages (React, Angular, Node.js, Java, Python, etc.).

  • Collaborate with product managers, UX designers, and other engineers to deliver robust and user-friendly applications.

  • Mentor and guide engineering teams, promoting best practices in coding, testing, and architecture.

  • Ensure compliance with security standards and implement monitoring and observability solutions.

  • Stay current with emerging technologies and recommend improvements to architecture and processes.

  • High levels of engagement at the team and group levels; Desire to learn and impact outside your primary tasking.

  • Ability to communicate effectively with both technical and business stakeholders

  • Experience in designing, implementing, or maintaining systems that support Term Life Insurance operations such as policy administration, underwriting and claims processing is a plus.

The Team

The Fidelity Insurance Group (FIG) Technology team is a recently established group aimed at providing transparent solutions and support for all of FIG’s business functions.  We partner with internal FIG stakeholders and multiple organizations across Fidelity, most notably the Fidelity Insurance Agency (FIA) to deliver modern solutions that scale.  It is an exciting time in this space with much potential for growth and innovation!

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 Technology

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.

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Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
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