Principal Performance Engineer

Fidelity Investments Inc.; Durham (NC); On-site; USD 140,000 - 190,000; Full time

Job summary

Fidelity Investments Inc. is seeking a Principal Performance Engineer to join Fidelity Stock Transfer (FST) in Fidelity Labs.

This hands-on role focuses on building the architecture of end-to-end systems with a strong emphasis on performance, reliability, and scalable design. You will bridge functional correctness with non-functional requirements, influence design decisions, and collaborate across teams to deliver robust services.

Qualifications

• Strong Java development experience.
• Hands-on with Spring Boot services.
• Familiar with RESTful APIs and distributed systems.
• Experience designing performance/load tests.
• Excellent debugging and profiling skills.
• Ability to read, write, and improve production-quality code.
• Experience with performance testing tools (k6, Gatling, JMeter).
• Familiarity with Node.js.
• Frontend experience with Angular and/or React.
• Understanding 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 environments.
• Developer-first mindset with performance focus.
• Bridge gap between functional and non-functional requirements.
• Collaborative engineer influencing design decisions.

Skills

Java development

Spring Boot

REST APIs

Performance testing

Debugging

Profiling

Code quality

Testing tools

Node.js

Angular/React

CI/CD

Containers

Microservices

Observability

Agile/Scrum

Communication

Tools

k6

Gatling

JMeter

Job description

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.

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.