Principal Full Stack Engineer

Fidelity Investments • Westlake, TX

1d • Onsite

About The Position

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 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!

Requirements

• 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)
• Experience with containerization and orchestration (Docker, Kubernetes).
• Solid understanding of microservices architecture and RESTful APIs.
• 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

Nice To Haves

• Knowledge of mock frameworks and service virtualization preferred
• Experience in designing, implementing, or maintaining systems that support Term Life Insurance operations such as policy administration, underwriting and claims processing is a plus.

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.).
• 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.

What This Job Offers

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