Principal Full Stack Engineer

Job Description: Note: Fidelity will not provide immigration sponsorship for this position The Team: 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. The Expertise You Have and The Skills You Bring: 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). Experience Handling INC management / Problem Management of Tier 0 platforms and driving 24x7 operational excellence 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. Experience with OpenFGA or comparable ReBAC platforms is highly desirable Designing and developing RESTful services using Java/J2EE, Spring Boot, Swagger, Docker, YAML, JSON. 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. 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. 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. For information about working at Fidelity, visit FidelityCareers.com. Fidelity Investments is an equal opportunity employer. Fidelity will reasonably accommodate applicants with disabilities who need adjustments to participate in the application or interview process. To initiate a request for an accommodation please contact the following: For roles based in the US: Contact the HR Leave of Absence/Accommodation Team by sending an email to accommodations@fmr.com, or by calling 800-835-5099, prompt 2, option 2 For roles based in Ireland: Contact AccommodationsIreland@fmr.com For roles based in Germany: Contact Accommodationsgermany@fmr.com Fidelity Privacy Policy