Principal, Full Stack Engineer

Fidelity Investments•Jersey City, NJ

48d•Hybrid

About The Position

Principal Full Stack Engineer - Quantitative Portfolio Management Platform The Role Fidelity's Asset Management Division is seeking a Principal Full Stack Engineer to join our Quantitative Research and Investing Technology (QRIT) team. You will play a key role in designing, developing, and delivering the quantitative portfolio management platform that supports Fidelity's data-driven investment processes. This is a hands-on senior individual contributor role that involves working closely with technology product owners, the portfolio engineering team, and peer technology teams to build robust, scalable tools. You will contribute directly to architecture, design, implementation, and the delivery of a cloud-native, microservice-based platform designed for scalable and resilient investment workflows. The Team The Quantitative Portfolio Management Technology team builds and maintains the platform that powers Fidelity's quantitative investment strategies. We are a senior, collaborative engineering team that values autonomy, technical excellence, and clear communication. This role offers the opportunity to influence the future of Fidelity's quantitative investment capabilities, with potential for technical leadership and architectural ownership. You will work at the intersection of technology and quantitative research, building systems that empower advanced, data-driven investment decision-making.

Requirements

Bachelor's degree (or higher) in Computer Science, Engineering, or a related field
7+ years of professional experience building complex backend and full-stack systems
Java, Spring Boot
Relational databases (SQL, PL/SQL)
Web Services
Proven experience designing and delivering scalable, reliable, and secure cloud-native applications and microservice architectures in enterprise environments
Knowledge of test-driven development, object-oriented design, and CI/CD practices
Ability to thrive in a highly collaborative, senior engineering team while working independently and taking initiative
Strong communication skills and proven ability to work effectively across cross-functional teams

Nice To Haves

Angular or other modern front-end frameworks
AWS, EKS, Kafka, Redis, Jenkins
Exposure to statistics, linear algebra, or numerical optimization through coursework or professional experience is a plus, particularly in the context of portfolio construction or quantitative finance
Familiarity with quantitative finance concepts (optimization, tracking error, risk models) is a plus but not required

Benefits

We offer a wide range of benefits to meet your evolving needs and help you live your best life at work and at home. These benefits include comprehensive health care coverage and emotional well-being support, market-leading retirement, generous paid time off and parental leave, charitable giving employee match program, and educational assistance including student loan repayment, tuition reimbursement, and learning resources to develop your career.

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