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Principal Software Engineer

Fidelity Investments

On-site
Merrimack, NH
Full-time
Principal
3+ yrs
Salary not listedPosted 3d ago

Real job — pulled straight from Fidelity Investments’s careers page · Verified August 29, 2026 · No reposts.

Job description

Fidelity Investments is hiring a Principal Software Engineer — a full-time, based in Merrimack, NH role. Apply directly on Fidelity Investments's careers page below.

Principal Software Engineer/Developer

Location: Merrimack, NH

Time Type: Full time

Job Description

Job Description:

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

Position Description:

Builds end-to-end solutions that integrate diverse data sources, distributed systems, and cloud-native services at enterprise scale. Develops system-wide performance models and implements optimizations that impact high-volume, mission-critical workflows. Solves complex technical problems involving large datasets, multi-cloud environments, and cross-platform integration constraints. Applies business knowledge to translate divisional initiatives into actionable technology solutions by developing complex or multiple software applications and evaluating alternative approaches. Analyzes and recommends improvements to project development policies, procedures, standards, and strategies for development teams and management. 

Primary Responsibilities:

  • Participates in architecture design teams.
  • Defines and implements application-level architecture.
  • Develops applications on complex projects, components, and subsystems for the division.
  • Recommends development testing tools and methodologies and reviews and validates test plans.
  • Responsible for QA readiness of software deliverables.
  • Develops comprehensive documentation for multiple applications or subsystems.
  • Establishes full project life cycle plans for complex projects across multiple platforms.
  • Responsible for meeting project goals on time and on budget.
  • Advises on risk assessment and risk management strategies for projects.
  • Plans and coordinates project schedules and assignments for multiple projects.
  • Acts as a primary liaison for business units to resolve various project/technology issues.
  • Provides technology solutions to daily issues and technical evaluation estimates on technology initiatives.
  • Advises senior management on technical strategy.
  • Mentors junior team members.
  • Performs independent and complex technical and functional analysis for multiple projects supporting several divisional initiatives.
  • Develops original and creative technical solutions to on-going development efforts.

Education and Experience:

Bachelor’s degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and five (5) years of experience as a Principal Software Engineer/Developer (or closely related occupation) developing Java-based full stack web applications using Angular, Spring Boot, Microservices and Oracle.

Or, alternatively, Master’s degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and three (3) years of experience as a Principal Software Engineer/Developer (or closely related occupation) developing Java-based full stack web applications using Angular, Spring Boot, Microservices and Oracle.

Skills and Knowledge:

Candidate must also possess:

  • Demonstrated Expertise (“DE”) developing full stack Java Restful services and middle-tier, multi-threaded applications according to Agile methodologies, using Java, Spring MVC, Spring Boot, Hibernate framework, Kafka and Oracle SQL; and performing application build, deployment, and support using Continuous Integration (CI) tools -- Jenkins and Maven.
  • DE developing customer-facing applications using front-end technologies (Node.js, JavaScript, and Angular.js) and deploying those applications to Tomcat servers; and reviewing code changes, coverage, and quality, using Sonar and Veracode. 
  • DE performing responsive Web Model-View-Controller (MVC) design and front-end development using Angular framework, HTML5, CSS3, JavaScript, TypeScript, and Bootstrap; and performing JavaScript unit and integration testing on front-end Web applications using Jasmine and Karma. 
  • DE developing databases, crafting complex SQL queries, and optimizing for efficient data operations using Oracle PL, SQL, and MySQL; maintaining high availability and performance of Oracle DB and AWS cloud databases; and implementing robust messaging services using Kafka and IBM MQ.

#PE1M2

#LI-DNI

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.

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Frequently asked questions

What skills are required for Principal Software Engineer at Fidelity Investments?

The required skills for Principal Software Engineer at Fidelity Investments include: Java, Angular, Spring Boot, Microservices, Oracle, SQL, Hibernate, Kafka, Jenkins, Maven, Node.js, JavaScript, HTML, CSS, TypeScript, Bootstrap, PL/SQL, MySQL, Agile.

What is the seniority level for Principal Software Engineer at Fidelity Investments?

Principal Software Engineer at Fidelity Investments is a Principal level position.

How do I apply for Principal Software Engineer at Fidelity Investments?

You can view the full description and apply for Principal Software Engineer at Fidelity Investments on EchoJobs: https://echojobs.io/job/fidelity-investments-principal-software-engineer-developer-gd3n2.