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Principal, Full Stack Engineer jobs in United States
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Fidelity Investments · 10 hours ago

Principal, Full Stack Engineer

positionMerrimack, NH
timeFull-time
remoteHybrid
senioritySenior Level, Lead/Staff
money$107K/yr - $216K/yr
date7+ years exp
Fidelity Investments is seeking a Principal Full Stack Engineer to join their Quantitative Research and Investing Technology team. This role involves designing, developing, and delivering a quantitative portfolio management platform to support data-driven investment processes.
Asset ManagementFinanceFinancial ServicesRetirementWealth Management
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Growth OpportunitiesbadNo H1Bnote

Responsibilities

Designing, developing, and delivering the quantitative portfolio management platform that supports Fidelity’s data-driven investment processes
Working closely with technology product owners, the portfolio engineering team, and peer technology teams to build robust, scalable tools
Contributing directly to architecture, design, implementation, and the delivery of a cloud-native, microservice-based platform designed for scalable and resilient investment workflows

Qualification

JavaSpring BootRelational databasesWeb ServicesAngularAWSMicroservice architecturesCommunication skillsCollaborative teamwork

Required

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

Preferred

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

Comprehensive health care coverage and emotional well-being support
Market-leading retirement
Generous paid time off and parental leave
Charitable giving employee match program
Educational assistance including student loan repayment, tuition reimbursement, and learning resources to develop your career

Company

Fidelity Investments

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Fidelity’s mission is to strengthen the financial well-being of our customers and deliver better outcomes for the clients and businesses we serve.
dateFounded in 1946
location
Boston, Massachusetts, USA
people-size10001+ employees
web-link
https://www.fidelity.com

Funding

Current Stage
Late Stage
Total Funding
$152.82M
Key Investors
Apple
2020-12-28Secondary Market· $2.5M
2018-01-14Secondary Market· $1M
2017-05-03Secondary Market· $12.5M

Leadership Team

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Abigail Johnson
Chairman & CEO
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Jeanmarie Ward
Senior Vice President of Architecture
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Recent News

Venture Capital
Alphabet's Waymo Raises $16 Billion in Funding, Doubles Valuation to $126 Billion
2026-02-05
PR Newswire
Fidelity, Charles Schwab and E*TRADE Dominate with Top Brokerage Experiences in Corporate Insight's 26th Annual e-Monitor Awards
2026-02-05
legacy.thefly.com
Fidelity announces Gray joined as EVP, Chief Lending Officer, Market President
2026-02-05
Company data provided by crunchbase