Principal Full Stack Engineer Jobs in Boston, MA
Principal Full Stack Engineer jobs in Boston, Massachusetts are available now at employers like Klaviyo, WHOOP, and Fidelity Investments and other local employers, from entry level to senior. Find a role that fits below and apply directly.
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Job Title: Principal Full Stack Engineer
The Role
We are seeking a Principal Full Stack Engineer to join our Quantitative Research and 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 Systematic Alternatives portfolio construction and Management System. This individual will include hands-on development collaborating with a team of quantitative researchers, software engineers, and quantitative developers.
The Expertise And Skills You Bring
- Bachelor’s degree in a computational field such as Computer Science, Master’s degree is preferred
- Minimum of 7 years of proven professional experience working in financial services (Asset Management experience preferred)
- Strong experience in system architecture, design patterns, and software engineering fundamentals such as data structures, OOP, functional programming, data modeling
- Experience with Python or Java and micro-services / RESTful APIs
- Experience working with SQL database (Oracle, Snowflake)
- Experience working on AWS cloud environment and working knowledge of CI/CD and DevOps
- Experience integrating financial data with Angular UI
- Exposure to test automation frameworks (unit and integration)
- Demonstrated experience with portfolio construction and management is a plus
- Nice to have experience with derivatives and financial instruments such as Futures, interest rate swaps (IRS), total return swaps (TRS), and FX forwards
- 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
The Team
Asset Management Technology (AMT) provides worldwide technology and support to all the Investment Management, Research, Trading, and Investment Operations functions. We are seeking a Principal, Full Stack Engineer, to join our Quantitative Research and Investing Technology organization. This role will be part of our Quantitative Engineering team, which is responsible for delivering and maintaining solutions for the Quant Research team.
Compensation
- 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
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Find JobsPrincipal Full Stack Engineer Job Market in Boston
Who's Hiring
- Klaviyo22

- WHOOP6

- Fidelity Investments5

- Hopper4

- Dana-Farber Cancer Institute4

Top Industries Hiring
- Technology & Software58
- Healthcare & Medical Services11
- Investment & Asset Management11
- Science & Research9
- Consulting & Professional Services8
Principal Full Stack Engineer Jobs in Boston: Frequently Asked Questions
How many principal full stack engineer jobs are there in Boston?
There are 148+ principal full stack engineer openings in Boston, Massachusetts on Migrate Mate as of June 2026. New positions post regularly as Boston employers hire.
Which companies hire principal full stack engineers in Boston?
Companies currently hiring principal full stack engineers in Boston include Klaviyo, WHOOP, and Fidelity Investments, per current listings on Migrate Mate as of June 2026.
Are there remote principal full stack engineer jobs in Boston?
Yes. About 37% of principal full stack engineer openings tied to Boston are remote or hybrid as of June 2026. The rest are on-site roles based in and around Boston.
Which industries hire the most principal full stack engineers in Boston?
The sectors hiring the most principal full stack engineers in Boston are Technology & Software, Healthcare & Medical Services, and Investment & Asset Management, based on current listings on Migrate Mate as of June 2026.
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