Principal, Full Stack Engineer

Fidelity Investments • Jersey City, NJ

5d • $107,000 - $216,000 • Hybrid

About The Position

Principal Full Stack Engineer – Quantitative Portfolio Management Platform Note: Fidelity will not provide immigration sponsorship for this position. 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 Expertise and Skills You Bring 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 Required skills: Java, Spring Boot Relational databases (SQL, PL/SQL) Web Services Preferred skills: Angular or other modern front-end frameworks AWS, EKS, Kafka, Redis, Jenkins Proven experience designing and delivering scalable, reliable, and secure cloud-native applications and microservice architectures in enterprise environments 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 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 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. The base salary range for this position is $107,000-216,000 USD per year. Placement in the range will vary based on job responsibilities and scope, geographic location, candidate’s relevant experience, and other factors. Base salary is only part of the total compensation package. Depending on the position and eligibility requirements, the offer package may also include bonus or other variable compensation. 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. Note, the application window closes when the position is filled or unposted. 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. Most roles at Fidelity are Hybrid, requiring associates to work onsite every other week (all business days, M-F) in a Fidelity office. This does not apply to Remote or fully Onsite roles. Certifications: Category: Information Technology 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 [email protected], or by calling 800-835-5099, prompt 2, option 2 For roles based in Ireland: Contact [email protected] For roles based in Germany: Contact [email protected] Fidelity Privacy Policy

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

Nice To Haves

• Angular or other modern front-end frameworks
• AWS, EKS, Kafka, Redis, Jenkins
• Proven experience designing and delivering scalable, reliable, and secure cloud-native applications and microservice architectures in enterprise environments
• 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
• 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

Benefits

• comprehensive health care coverage
• emotional well-being support
• market-leading retirement
• generous paid time off
• parental leave
• charitable giving employee match program
• educational assistance including student loan repayment, tuition reimbursement, and learning resources to develop your career

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 5,001-10,000 employees