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Principal Quant Software Engineer

Fidelity

Fidelity

Software Engineering
Boston, MA, USA
USD 107k-216k / year
Posted on Oct 31, 2025
Apply now

Job Description:

The Role

Strategic Advisors Technology (SAT) is looking for a Principal Software Engineer who not only cares about what you produce but how you produce it. We are looking for individuals who continually strive to advance engineering excellence and technology innovation and apply sophisticated analytics and quantitative concepts to support investment needs and develop new solutions.

You will build high quality, robust, and efficient analytical solutions to improve internal investment processes with quantitative techniques and methods, statistics and. You would participate in full stack development projects on the front-end User Interface (UIs) and back-end Application Programming Interfaces (APIs) using Java, Python. Apply 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. Apply data mining, data modeling, natural language processing, and Machine Learning to extract and analyzes information from large structured and unstructured datasets.

The Expertise and Skills You Bring

· Strong foundation in quantitative techniques and methods, including statistics, econometrics, probability, linear regression, and time series analysis, with experience applying these to investment research and model development.

· Expertise in Python, Java, and SQL, leveraging advanced analytics and software engineering skills to build scalable, reliable solutions.

· Proven ability to implement research projects through the entire software development lifecycle, applying full-stack development and best practices for repeatability and rigor.

· Experience with AWS cloud development and deployment, and building enterprise cloud-enabled distributed systems.

· Skilled in data mining, modeling, and advanced analytics, adding scale and reliability to research through software engineering methodologies.

· Domain knowledge in equities, fixed income, or alternative asset classes, supporting investment needs with innovative solutions.

· Ability to lead application design efforts, participate in design reviews and code reviews, and ensure quality through test case development and regression testing.

· Strong understanding of legacy monolithic architectures and expertise in migrating to microservice-based architectures.

· Consistent track record of hands-on development of complex software solutions, including CI/CD and ATDD practices.

· Effective collaborator with quantitative and fundamental researchers, divisional partners, and global development teams, thriving in fast-paced environments with competing priorities.

· Demonstrated technical and organizational leadership, coaching and motivating team members to achieve optimal performance and career growth.

· Committed to problem-solving, communication, and continuous improvement in engineering practices.

· You will lead application design efforts, participate in design reviews and code reviews.

· Fully engaging in product quality plan efforts, including test case development, design and code reviews and regression testing.

· Contribute to enhancing engineering practice in the areas of ATDD and CI/CD.

· Engaging in working with global team of developers in leading best practices for software engineering.

The Team

Fidelity Asset Management Technology (AMT) provides worldwide technology and support to all the Portfolio Management, Research, Trading and Investment Operations functions. AMT is an integral partner for Asset Management to deliver innovative, scalable, industry-leading investment tools that enables the business to achieve competitive advantage globally.

You work in partnership with Squad members aligned to the Model Management Product Area. By demonstrating and promoting Fidelity and agile behaviors, you evolve and sustain our innovative, agile culture. The team partners with the investment teams in Strategic Advisors on various projects including model construction, portfolio construction and trading Managed Accounts. We create high quality, robust, and efficient high-responsive solutions that are used to enhance Strategic Advisors productivity and decision-making processes.

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

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 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 complete the application or interview process.

If you would like to request an accommodation, please contact us at:

accommodations@fmr.com

Apply

Join us

At Fidelity, you’ll find endless opportunities to build a meaningful career that positively impacts peoples’ lives, including yours. You can take advantage of flexible benefits that support you through every stage of your career, empowering you to thrive at work and at home. Honored with a Glassdoor Employees’ Choice Award, we have been recognized by our employees as a top 10 Best Place to Work in 2024. And you don’t need a finance background to succeed at Fidelity—we offer a range of opportunities for learning so you can build the career you’ve always imagined.

Fidelity's working model blends the best of working offsite with maximizing time together in person to meet associate and business needs. Currently, most hybrid roles require associates to work onsite all business days of one assigned week per four-week period (beginning in September 2024, the requirement will be two full assigned weeks).

We invite you to Find Your Fidelity at fidelitycareers.com.

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.

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 [email protected], or by calling 800-835-5099, prompt 2, option 3.

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.

Benefits
Learning & development
Culture

Benefits that adapt to everything life sends your way

401(k) with company match

Medical, dental, vision and prescription drug coverage

16-week maternity leave & 12-week parental leave

Student loan assistance

Fidelity is invested in you

Committed to Professional Development

At Fidelity, we are constantly adapting to the changing needs of our customers, new technologies, and better ways of working. And we empower our employees to do the same, with an emphasis on developing skills and connections that will help propel you forward in your career while being able to make an impact for Fidelity’s customers around the world.

We offer a wide range of options for professional development including online, in-person, and mentor driven solutions. Special interest and networking groups are also part of our culture of empowerment, personal and professional enrichment, diversity and inclusion, and knowledge sharing.

Continuing Education & Training

  • Assess, build, and align your development plan through resources like our skill-building classroom and online courses.
  • Video-based training for technology, leadership, management & more.
  • Ongoing skills development and coaching opportunities.
  • Paid training with a facilitator who is dedicated to your onboarding and will track and evaluate your progress, giving you strategies to improve.
  • A range of talent development programs to support career mobility.

Mentoring

  • Utilize the skills of experienced leaders to enrich your career.
  • Dedicated mentors to help you grow into new areas of Fidelity’s business as you develop new skills.
  • An open atmosphere of knowledge sharing and collaboration.
  • Opportunities to pay it forward, sharing the knowledge you develop and as you help others define how they want their career to take shape.

Our Commitment

Discover opportunities to build a fulfilling career within a supportive culture that celebrates individuality. We empower our associates to pursue career paths that align with their unique goals and personalities.

Giving back to our communities

Throughout Fidelity, you’ll find a genuine commitment to social responsibility – where we strive to make an impact for customers, while also making an impact on the world.

Fidelity Cares

  • Provides associates with opportunities to actively volunteer and share their talents.
  • Hosts numerous company-wide volunteer events (in-person and virtual).
  • Partners with nonprofit organizations to support our local communities.
  • More than 12,500 associates donate time annually – from interns to SVPs.
  • Impact includes refurbishing schools, donating books and supplies, and teaching financial literacy.

Fidelity Charitable®

  • Created to make it easy for people to support charitable organizations they care about.
  • Helped deliver $14.9billion in donor-recommended grants to charity in 2024.
  • Supported more than 433,000 unique charities around the world.
  • Since its inception, more than $100 billion has been given to public charities.

Technology careers at Fidelity

Imagine and create the next generation of financial products and tools.

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