Principal Full Stack Engineer

Fidelity Investments • Westlake, TX

3d • Onsite

About The Position

Fidelity’s Brokerage Authorization team builds and operates the core platform that enables secure, scalable access control for Brokerage Recordkeeping Technology. As part of Shared Services Engineering, the team is transforming authorization from mainframe to cloud‑native architectures, delivering platforms and frameworks that support public cloud adoption at scale. Ideal candidates will have a background in Software Engineering with a strong desire to focus on building performant, high scale, highly available and resilient systems. We are looking for a Systems Thinking Engineer who, through extensive production insights, operational automation, developer guidance, real-time metrics, and automation will guide the team.

Requirements

• Bachelor’s degree in computer science or equivalent experience.
• 10 plus years of experience in designing and implementing full stack end-to-end customer-facing applications, financial industry experience a plus.
• 7 plus years of experience working in complex architectural designs and technology initiatives.
• 5 plus years of experience working in agile development environment (Scrum/Kanban).
• Extensive Knowledge of Java and Spring Framework and Spring Boot
• Hands-on application development experience with Public Cloud environments: AWS – Lambda, EKS, S3, Dynamo DB, Kinesis
• Deep understanding of modern authorization architectures, including RBAC, ReBAC, JWT-based authorization, and OAuth 2.0.
• Proven track record of architecting fine-grained access control frameworks, scalable entitlement models, and enterprise-grade authorization systems that balance security, performance, and developer experience.
• Strong understanding of policy-based authorization patterns and distributed access management.
• Solid Understanding of DevOps CI/CD tools like Jenkins/ Jenkins Core.
• Proven experience in maintaining scalability and resiliency in a complex environment.
• In-depth understanding and experience with performance metrics, logging, monitoring, alerting, testing, and tuning for highly scalable cloud applications.
• Proven experience in maintaining scalability and resiliency in a complex environment.
• Proficient in working with Cloud Databases, creating and leading database objects like tables, views, indexes, Stored Procs and optimizing database performance through query tuning, indexing, analyzing performance reports.
• Demonstrated expertise in Production support, including incident management, root cause analysis, real-time monitoring, and high availability and reliability of critical systems in a fast-paced environment.
• Ability to triage, execute root cause analysis, and be decisive under pressure.

Nice To Haves

• Financial industry experience a plus.
• Experience with OpenFGA or comparable ReBAC platforms is highly desirable

Responsibilities

• Handling INC management / Problem Management of Tier 0 platforms and driving 24x7 operational excellence
• Designing and developing RESTful services using Java/J2EE, Spring Boot, Swagger, Docker, YAML, JSON.
• Maintaining scalability and resiliency in a complex environment.
• Working with Cloud Databases, creating and leading database objects like tables, views, indexes, Stored Procs and optimizing database performance through query tuning, indexing, analyzing performance reports.
• Production support, including incident management, root cause analysis, real-time monitoring, and high availability and reliability of critical systems in a fast-paced environment.
• Triage, execute root cause analysis, and be decisive under pressure.

What This Job Offers

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