Principal Quant Developer

Fidelity Technology Group, LLC

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Smithfield, RI Durham, NC Until 9/7/2026 7+ years exp First posted March 18, 2026 Last posted July 9, 2026
Job description

Job Description:

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

The Role

We are seeking a Principal Quant Developer to join our Quantitative Research & Investments Technology (QRIT) team in Fidelity Asset Management Technology. This role will partner with the quant research and investments teams to design, build, enhance, and support a comprehensive portfolio optimization & back testing ecosystem. This individual will include hands on development collaborating with team of software engineers and quantitative developers.

The Expertise and Skills You Bring

  • Minimum of 7 years of proven professional experience working in financial services (Asset Management experienced preferred)
  • Prior experience leveraging industry scale optimization libraries (Matlab Linear, Gurobi, Cplex, Axioma, Gurobi, or SciPy)
  • Experience with Python and micro-services / RESTful APIs
  • Proven ability to design highly scalable and low latency systems
  • Experience working on AWS cloud environment and working knowledge of CI/CD & DevOps
  • Strong experience in system architecture, design patterns and software engineering fundamentals such as OOP, functional programming, data modeling.
  • Advanced understanding of data structures
  • Demonstrated experience with portfolio construction and/or portfolio optimization is a plus
  • Proven ability to capture requirements and formulate plans by partnering with various stakeholders
  • Strong communication, interpersonal and relationship building skills to influence decisions and engage across Fidelity and at all levels of the organization
  • Bachelor’s degree in a computational field such as Computer Science, Master’s degree is preferred

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.

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.

Certifications:

Category:

Information Technology
About this role

Summary

Design, build, and support scalable, low latency finance systems with quant research teams.

Job title

Principal Quant Developer

Experience level

7+ years

Minimum experience

7+ years exp

Industry

finance

Location requirements

Onsite in Smithfield, RI; Durham, NC; Jersey City, NJ; not remote.

Salary

$107k–$216k

Management role

No

Skills & keywords

Required skills

PythonRESTful APIsAWSdata modelingOOP

Preferred skills

portfolio constructionoptimization librariesgurobicplexSciPy

Specializations

financial servicesportfolio optimizationsystem architecturedata structuressoftware engineering
Locations

Structured locations inferred from the posting.

Smithfield, RI, USA

On-site City

Durham, NC, USA

On-site City

Jersey City, NJ, USA

On-site City