Principal Full Stack Engineer

Fidelity will not provide immigration sponsorship for this position.

Job Description:

Position

Description:

Designs and implements full‑stack solutions that span multiple interconnected applications, modules, or service layers using J2EE, Spring/Spring Boot, REST APIs, and Angular. Defines and evolves application level and cross application design approaches for Object Oriented Design, RESTful service structures, and integration patterns across complex systems. Develops and maintains highly complex backend services and frontend components that require advanced coordination between data models, APIs, and user interfaces (UIs).

Establishes and refines reusable application frameworks, shared components, and common patterns to support consistent development across multiple solutions. Applies technical expertise to resolve system‑wide design, performance, and integration challenges across the full stack. Performs comprehensive analysis of existing applications to support large‑scale enhancements, refactoring, or extension of functionality while maintaining alignment with coding, security, and testing standards. Drives consistency and quality across multiple applications by advancing coding standards, RESTful integration practices, and test coverage strategies within the development lifecycle.

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 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.

Provides guidance on application integration patterns, API design, and service interoperability across distributed systems.

Builds Continuous Integration and Continuous Deployment (CI/CD) infrastructure to deploy applications to the environment, creates alerts and sets up monitoring systems to improve software quality, deployment reliability, and operational efficiency.

Collaborates with business stakeholders to analyze application usage patterns and system performance metrics to support data‑driven improvements.

Evaluates and adopts modern development frameworks, tools, and methodologies to enhance scalability, maintainability, and system performance

Supports and guides teams to troubleshoot production issues integrated with complex systems.

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 a Principal Full Stack Engineer (or closely related occupation) developing Single Page Applications (SPA) using Angular, Java/J2EE, and Spring frameworks.

Or, alternatively, Master’s degree in Computer Science, Engineering, Information Technology, Information…