Principal Full Stack Engineer

Fidelity
Fidelity

Software Engineering

Durham, NC, USA

Posted on Jul 15, 2026

Job Description:

Position Description:

Note: Fidelity will not provide immigration sponsorship for this position.

Develops comprehensive, high-quality software solutions from end to end, leveraging server-side technologies and implementing RESTful APIs. Creates component-based user experiences using Angular and React.js web applications, and utilizes Java technologies including Spring Boot, Hibernate/JPA, J2EE Application Programming Interfaces (APIs), and JSON web services. Runs applications and code in the Cloud while collecting and monitoring operational data, using Amazon Web Services (AWS). Implements automation pipelines using Continuous Integration/Continuous Delivery (CI/CD) methodologies and DevOps tools -- Git and Datadog. Analyzes and recommends changes in project development policies, procedures, standards, and strategies to development experts and management. Uses business knowledge to translate the vision for divisional initiatives into business solutions by developing complex or multiple software applications and conducting studies of alternatives.

Primary Responsibilities:

  • Participates in architecture design teams.
  • Defines and implements application-level architecture.
  • Develops applications on complex projects, components, and subsystems for the division.
  • Recommends development testing tools and methodologies and reviews and validates test plans.
  • Responsible for QA readiness of software deliverables.
  • Develops comprehensive documentation for multiple applications or subsystems.
  • Establishes full project life cycle plans for complex projects across multiple platforms.
  • Responsible for meeting project goals on-time and on-budget.
  • Advises on risk assessment and risk management strategies for projects.
  • Plans and coordinates complex project schedules and assignments for multiple projects.
  • Acts as a primary liaison for business units to resolve various project/technology issues.
  • Provides technology solutions to daily issues and technical evaluation estimates on technology initiatives.
  • Advises senior management on technical strategy.
  • Mentors junior team members.
  • Performs independent and complex technical and functional analysis for multiple projects supporting several divisional initiatives.
  • Develops original and creative technical solutions to on-going development efforts.

Education and Experience:

Bachelor’s degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and five (5) years of experience as Principal Full Stack Engineer (or closely related occupation) developing Java Web based applications using Angular, Spring Boot, MicroServices, and Oracle.

Or, alternatively, Master’s degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and three (3) years of experience as a Principal Full Stack Engineer (or closely related occupation) developing Java Web based applications using Angular, Spring Boot, MicroServices, and Oracle.

Skills and Knowledge:

Candidate must also possess:

  • Demonstrated Expertise (“DE”) designing, developing, maintaining, and enhancing software applications using Java and Micro-services architecture design patterns; creating component-based User Experience (UX) solutions using Angular, Spring Boot, Spring Batch, RESTful APIs, and Oracle SQL; implementing O(1)-level code in multi-tier web applications with caching, data structures, algorithm design, and load balancing for distributed systems; developing applications within containerized environments, using Java, Angular, SQL, and Docker and Kubernetes (EKS) for orchestration; and authoring code in IDEs (IntelliJ IDEA and VS Code), using Git for version control, building with Maven, and deploying via Jenkins pipelines into cloud-based environment; and developing Agile software methodologies, including Kanban and Scrum.
  • DE designing, developing, and maintaining internal and customer facing Web applications deploying in AWS EKS, using Container orchestration with Docker; building and testing containerized event-processing systems using Kubernetes; deploying scalable, high-performance, and secure pods; optimizing applications for maximum efficiency and security; implementing JSON Web Token (JWT) stateless API architecture; and integrating Identity Management using Azure AD Azure APIs, Entra ID, Microsoft Graph API, and O365.
  • DE testing code quality and releasing Web applications, using Java methodologies, Junit test suites, Sonar, Maven, and Jest suites for Angular in automated Jenkins CI/CD pipelines; validating application functionality and performance, using Jenkins in a cloud based environment; developing and deploying advanced load balancing, fault tolerance, and real-time data processing implementations, using Java, Spring Boot, Docker, and Kubernetes within a high-traffic environment; and implementing code quality tools (Sonar or Eslint) vulnerabilities with Veracode scan, mend scan (SAST or SCA).
  • DE tuning database performance queries, indexing, partitioning, and Spring Hikari pool on database connections; and testing application performance using Apache JMeter to achieve required transactions per second (TPS) under high-traffic conditions.

#PE1M2

#LI-DNI

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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Benefits that balance life and work

From our fully paid parent leave to our on-site health and wellness centers, our benefits support the belief that more balance you have, the better you can achieve your goals.

Benefits

Company overview

Company overview

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 experience.

Reasonable accommodations

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 contact the HR Accommodation Team by sending an email to accommodations@fmr.com, or by calling 800-835-5099, prompt 2, option 3.

Equal opportunity employer

Fidelity Investments is an equal opportunity employer. We believe that the most effective way to attract, develop, and retain a diverse workforce is to build an enduring culture of inclusion and belonging.

Applicant screening

At Fidelity, we value honesty, integrity, and the safety of our associates and customers within a heavily regulated industry. Certain roles may require candidates to go through a preliminary credit check during the screening process. Candidates who are presented with a Fidelity offer will need to go through a background investigation and may be asked to provide additional documentation as requested. This investigation includes but is not limited to a criminal, civil litigations and regulatory review, employment, education, and credit review (role dependent). These investigations will account for 7 years or more of history, depending on the role. Where permitted by federal or state law, Fidelity will also conduct a pre-employment drug screen, which will review for the following substances: Amphetamines, THC (marijuana), cocaine, opiates, phencyclidine.

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