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Principal Full Stack Software Engineer

7 days ago Merrimack, NH

Job Description:

The Role

Fixed Income Technology is looking for a Principal Full Stack Engineer to join the Trading Services team. As a member of our team, you will be working with product owners, UX designers, and business analysts to understand the UX designs and business requirements. Collaborate with Architecture, Data Services, and other Technology Teams and propose, design, develop and implement solutions that meet functional and non-functional requirements. Fully engaging in product quality plan efforts, including test case development, design and code reviews and regression testing. Manage Releases and be part of an on-call rotation to provide Level 3 production support for our applications. Actively contribute to evangelize engineering practices and the definition of source control strategy, performance strategy, environment strategy, and build and deployment pipelines. Guide, mentor other associates and be highly productive in an agile project delivery environment.

The Expertise and Skillls you bring.

• Bachelor's degree in computer science, Mathematics, or Engineering or similar.

• 10+ Years of Experience in Software Engineering and 2+ years of experience as a Technical Lead

• Experience designing and developing backend applications using Java (server-side) object-oriented programming skills.

• Experience in Microservices, Spring/SpringBoot and developing REST API's.

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• Experience designing and developing User Interface application using programming skills such as HTML, CSS/SCSS, JavaScript, TypeScript, Node and Angular.

• Experience in Micro front-end architecture and modular design.

• Experience in messaging frameworks such as Kafka.

• Experience with CI/CD tools, frameworks, and methodologies like Jenkin, Maven, Blue/Green etc.

• Experience with Jmeter, JUnit, Jest, Cypress, Playwright or similar frameworks.

• Experience working in public cloud platforms, preferably AWS, knowledge of Docker, EKS, serverless architecture is a plus.

• Knowledge of SQL development and PLSQL procedures.

• You are a fast learner and an excellent teammate.

• You can efficiently work on a small development team, as well as lead in-depth technical designs.

• You are self-motivated, guided, and have a strong customer focus and results oriented approach.

• You have strong written and verbal communication skills to successfully engage with the technical team.

The Team

The Trading Services team is part of the Fixed Income Technology within Fidelity Investment Asset Management Technology (AMT). AMT provides worldwide technology and support to all the Investment Management, Research, Trading, and Investment Operations functions. AMT is an integral partner for Asset Management to deliver innovative, scalable, industry-leading investment tools that enable Asset Management to achieve competitive advantage globally. This team contributes to ongoing project work of the trading, cash management, and market surveillance applications used by Fixed Income Investment Professionals. Also, supports the modernization of UI tech stack to bring best and unified user experience to Investment professionals.

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.

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.

Client-provided location(s): Merrimack, NH
Job ID: Fidelity-2123291
Employment Type: OTHER
Posted: 2026-01-29T18:47:38

Perks and Benefits

  • Health and Wellness

    • Health Insurance
    • Dental Insurance
    • Vision Insurance
    • Life Insurance
    • Short-Term Disability
    • Long-Term Disability
    • FSA
    • HSA
    • HSA With Employer Contribution
    • Fitness Subsidies
    • On-Site Gym
    • Pet Insurance
    • Mental Health Benefits
    • Virtual Fitness Classes
  • Parental Benefits

    • Birth Parent or Maternity Leave
    • Non-Birth Parent or Paternity Leave
    • Fertility Benefits
    • Adoption Assistance Program
    • Family Support Resources
    • Adoption Leave
  • Work Flexibility

    • Flexible Work Hours
    • Remote Work Opportunities
    • Hybrid Work Opportunities
  • Office Life and Perks

    • Commuter Benefits Program
    • Casual Dress
    • Snacks
    • Company Outings
    • On-Site Cafeteria
    • Holiday Events
  • Vacation and Time Off

    • Paid Vacation
    • Paid Holidays
    • Personal/Sick Days
    • Leave of Absence
  • Financial and Retirement

    • 401(K)
    • 401(K) With Company Matching
    • Company Equity
    • Performance Bonus
    • Relocation Assistance
    • Financial Counseling
    • Profit Sharing
  • Professional Development

    • Tuition Reimbursement
    • Promote From Within
    • Mentor Program
    • Shadowing Opportunities
    • Access to Online Courses
    • Lunch and Learns
    • Internship Program
    • Work Visa Sponsorship
    • Leadership Training Program
    • Associate or Rotational Training Program
  • Diversity and Inclusion

    Company Videos

    Hear directly from employees about what it is like to work at Fidelity Investments.