Principal Full Stack Engineer
Fidelity Investments•Westlake, TX
•Onsite
About The Position
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.
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.
Benefits
- Fidelity will reasonably accommodate applicants with disabilities who need adjustments to participate in the application or interview process.
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What This Job Offers
Job Type
Full-time
Career Level
Principal
