FMR

Principal Performance Engineer

United States · Work style not stated · Full time

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About the role

Description from the employer’s posting. Check the employer’s page for the current version.

EmployerFMR
LocationUnited States
Work styleWork style not stated
Employment typeFull time
Employer posted8 Oct 2026

Fidelity will not provide immigration sponsorship for this position.

Job Description:

The Role

Fidelity Stock Transfer (FST) in Fidelity Labs is looking for a Principal Performance Engineer to join us. As a key member of a growing engineering team, this role will be hands-on building the technology and architecture of world class end-to-end systems. Learn more about FST at fidelitystocktransfer.com

The Expertise You Have

Strong Java development experience
Hands-on experience building and maintaining services using Spring Boot
Solid understanding of RESTful APIs and distributed systems
Experience designing and executing performance/load tests
Strong debugging and profiling skills
Ability to read, write, and improve production-quality code
Experience with k6, Gatling, JMeter, or similar performance testing tools
Familiarity with Node.js
Frontend experience with Angular and/or React
Understanding of CI/CD pipelines and test automation
Experience testing cloud-native applications (containers, microservices)
Knowledge of observability tools (metrics, logging, tracing)
Experience working in Agile/Scrum development environments
A developer-first mindset with a strong interest in performance engineering
Someone who can bridge the gap between functional correctness and non-functional requirements
A collaborative engineer who can influence design decisions based on performance insights
Comfort stepping into existing codebases and improving them
You build positive relationships with other team members and have excellent verbal and written communication.

Show full description

The Team

We are Fidelity Labs, Fidelity Investments’ in-house fintech incubator with a mission to build new businesses to drive growth for Fidelity. We seek to shape the future of our industry by building new products and services to improve the lives of the diverse set of customers, businesses and financial institutions we serve.

Fidelity Labs is a dynamic workplace that combines the best parts of startup life—building from scratch, adapting quickly, and moon-shot ambition—with the scale and stability of an industry leader. We provide a safe space for startup teams to explore new business ideas, quickly test them with customers, and scale the most promising concepts within an existing business unit, or as a new venture.

This opportunity is brought to you by Fidelity Labs. Learn more at labs.fidelity.com.

#fidelitylabs

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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