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Senior Quantitative Developer

Fidelity

Fidelity

Software Engineering
Boston, MA, USA
USD 140k-150k / year
Posted on Apr 8, 2026

Job Description:

Position Description:

Builds high quality, robust, and efficient analytical solutions to improve internal investment processes with quantitative techniques and methods, statistics and econometrics – including probability, linear regression, and time series data analysis. Executes programming deliverables using R, Java, SQL, and Linux. Participates in full stack development projects on the frontend User Interface (UIs) and back-end Application Programming Interfaces (APIs), using Python, R, and SQL. Applies data mining, data modeling, Natural Language Processing (NLP), and Machine Learning (ML) to extract and analyzes information from large structured and unstructured datasets. Develops and implements complex techniques or analytics applications to transform raw data using data-Oriented Programming languages and visualization software.

Primary Responsibilities:

  • Develops analytical solutions.
  • Develops and monitors portfolio personalization tools and efforts.
  • Enables users to run customized portfolio optimizations based on personal inputs.
  • Ensures all coding test cases are properly defined.
  • Applies sophisticated analytics and quantitative concepts to support investment needs and develops new solutions.
  • Adds scale, rigor, and repeatability to research through software development standard methodologies.
  • Reviews and ensures code format and quality satisfy the general engineering standard, and code

documentation is sufficient.

  • Builds high quality, robust, and efficient analytical solutions to improve investment processes.
  • Analyzes and interprets statistical data to identify differences in relationships among sources of information.
  • Evaluates technical data to determine effect on designs or plans.
  • Identifies relationships and trends in data to determine effects on research results.
  • Provides technical support to production applications to ensure their stability, performance, and reliability.

Education and Experience:

Bachelor’s degree in Mathematical Finance, Quantitative and Computational Finance, Engineering, Statistics, or a closely related field (or foreign education equivalent) and three (3) years of experience as a Senior Quantitative Developer (or closely related occupation) developing software solutions (risk management, portfolio construction, performance analysis, or alpha research) in a financial services environment, using Python, Python data libraries, or Relevel concepts.

Or, alternatively, Master’s degree in Mathematical Finance, Quantitative and Computational Finance, Engineering, Statistics, or a closely related field (or foreign education equivalent) and one (1) year of experience as a Senior Quantitative Developer (or closely related occupation) developing software solutions (risk management, portfolio construction, performance analysis, or alpha research) in a financial services environment, using Python, Python data libraries, or Relevel concepts.

Skills and Knowledge:

Candidate must also possess:

  • Demonstrated Expertise (“DE”) supporting quant researchers and portfolio engineers by developing quantitative software, using R, Python, Shell Scripting, Git, or SQL; accessing database tables via SQL queries using data from financial data vendors (Bloomberg and MorningStar) in financial calculations; and applying financial methodologies (Linear Regression, Time Series Analysis, or Monte-Carlo Simulation) in the development of applications, subsystems, services, or scripts, to support and enhance portfolio risk analytics.
  • DE supporting quantitative software development using quantitative concepts and valuation techniques applicable to financial instruments (bonds, stocks, mutual funds, and Exchange Traded Funds (ETFs)); and categorizing financial instruments based on their characteristics to improve portfolio performance and streamline risk management processes, using Python and SQL, to develop risk management algorithms, automate data analysis, and generate comprehensive risk reports.
  • DE developing quantitative models and performance reports, using Python, Shell, GitHub, SQL, and Tableau; enhancing model optimization process by supporting CPLEX optimizers for institutional clients; and applying financial concepts (alpha distribution, returns attribution, and risk and turnover decomposition) for the core portfolio construction platforms to support and improve post model analytic reports.
  • DE automating the build and release of quantitative software applications, using version control tools (Git or GitHub), defect tracking tools (Jira and Datadog), Jenkins, Amazon Web Services (AWS), and Autosys, to perform Continuous Integration/Continuous Deployment (CI/CD); and performing application testing, troubleshooting, and debugging to validate data quality for trading platforms, using Docker, PyCharm Debugger, Visual Studio Debugger, and SQL.

Salary: $140,000.00 - $150,000.00/year.

#PE1M2

#LI-DNI

Certifications:

Category:

Information Technology

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. Some roles may have unique onsite requirements. Please consult with your recruiter for the specific expectations for this position.

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.

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Benefits that balance life and work

From our fully paid parent leave to our on-site health and wellness centers, our benefits support the belief that more balance you have, the better you can achieve your goals.

Benefits

Company overview

Company overview

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 experience.

Reasonable accommodations

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 contact the HR Accommodation Team by sending an email to accommodations@fmr.com, or by calling 800-835-5099, prompt 2, option 3.

Equal opportunity employer

Fidelity Investments is an equal opportunity employer. We believe that the most effective way to attract, develop, and retain a diverse workforce is to build an enduring culture of inclusion and belonging.

Hybrid work schedule

Fidelity’s hybrid working model blends the best of both onsite and offsite work experiences. Working onsite is important for our business strategy and our culture. We also value the benefits that working offsite offers associates. Most hybrid roles require associates to work onsite all business days of every other week in a Fidelity office.

Applicant screening

At Fidelity, we value honesty, integrity, and the safety of our associates and customers within a heavily regulated industry. Certain roles may require candidates to go through a preliminary credit check during the screening process. Candidates who are presented with a Fidelity offer will need to go through a background investigation and may be asked to provide additional documentation as requested. This investigation includes but is not limited to a criminal, civil litigations and regulatory review, employment, education, and credit review (role dependent). These investigations will account for 7 years or more of history, depending on the role. Where permitted by federal or state law, Fidelity will also conduct a pre-employment drug screen, which will review for the following substances: Amphetamines, THC (marijuana), cocaine, opiates, phencyclidine.

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