Principal Software Engineer

Fidelity Technology Group, LLC

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Merrimack, NH Until 8/31/2026 10+ years exp First posted April 17, 2026 Last posted July 2, 2026
Job description

Job Description:

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

The Role

The High Income and Alternatives Technology team is looking for a hardworking, highly motivated Principal Software Engineer with strong understanding of programming fundamentals and software design to join their ranks. Prior development experience in investment management domain will be a strong plus.

In this role, you will be responsible for the development of quality software components that are used by Portfolio Managers, and Analysts in managing of over $100 Billion in High Yield, Credit Alternatives, and Systematic Investment Research Funds. You will engage, shape, and productively contribute to Alphabet, our flagship portfolio construction platform.

In addition to building software, you will have an opportunity to help define and implement development practices, standards, and strategies across multiple teams.

The Expertise We Need

  • Bachelor's degree (or higher) in a quantitative or computational field such as Computer Science, Statistics, or Applied Mathematics.

  • 10+ years of hands-on experience in building complex software solutions preferably working with investment management professionals.

  • Ability to effectively communicate with multiple stakeholders including researchers, portfolio managers, and technology partners.

  • Full-stack software development knowledge preferably with Angular, Java, Spring Boot

  • Experience with testing software, including writing automated unit, integration, performance, and end-to-end tests.

  • Favor Agile development practices that prioritize the incremental delivery of working software and respond well to change in requirement scope.

  • Ability to accept and adapt to scope changes incorporating it seamlessly.

  • Understanding of Fixed Income instruments, security analytics, investment workflow and functioning of bond markets is a significant plus.

  • Experience with AWS cloud environment development and deployment is a plus.

  • Kubernetes/EKS deployment and operations management exposure is a plus.

  • Progress towards CFA program certification is a significant plus.

  • Experience leading development teams through mentorship, technical expertise, and technical excellence

The Team

  • We have a passion for technology and love fixing and solving complex problems.

  • We enjoy working in teams, love to collaborate, share, and learn.

  • We are self-motivated, take initiative, and make decisions with a bias for action.

  • We care about the quality of our work, favor strong coding standards and patterns, and build with testability in mind.

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.

Certifications:

Category:

Information Technology

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.

About this role

Summary

Develops complex software solutions for investment management with cloud and team leadership.

Job title

Principal Software Engineer

Experience level

10+ years

Minimum experience

10+ years exp

Industry

software

Location requirements

Onsite in Merrimack, NH, with some roles requiring full onsite presence.

Salary

Not specified

Management role

No

Skills & keywords

Required skills

AngularJavaSpring Boottestingagile

Preferred skills

AWSKubernetes/EKSCFAinvestment management

Specializations

AngularJavaSpring BootcloudKubernetes
Locations

Structured locations inferred from the posting.

Merrimack, NH, USA

On-site City