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Principal Software Engineer

Job in Merrimack, Hillsborough County, New Hampshire, 03054, USA
Listing for: Fidelity Investments
Full Time position
Listed on 2026-06-12
Job specializations:
  • Software Development
    Software Engineer, Cloud Engineer - Software, Full Stack Developer, DevOps
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Job Overview

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. Prior development experience in the investment management domain will be a strong plus.

Responsibilities

In this role, you will develop quality software components that are used by Portfolio Managers and Analysts in managing over $100 billion in High Yield, Credit Alternatives, and Systematic Investment Research Funds. You will engage, shape, and contribute to Alphabet, our flagship portfolio construction platform. In addition to building software, you will help define and implement development practices, standards, and strategies across multiple teams.

Qualifications
  • 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 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, and Spring Boot.
  • Experience with testing software, including writing automated unit, integration, performance, and end‑to‑end tests.
  • Favor Agile development practices that prioritize incremental delivery of working software and respond well to changing requirements.
  • Ability to accept and adapt to scope changes, incorporating them 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.
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.
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.

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