Principal Performance Engineer Build Fast, Scalable Systems

Fidelity Investments Inc.; North Carolina; On-site; USD 140,000 - 210,000; Full time

Job summary

Fidelity Labs, Fidelity Investments' in‑house fintech incubator, seeks a Principal Performance Engineer to lead hands‑on performance exploration and architecture for world‑class end‑to‑end systems. You will design, implement, and optimize scalable services and pipelines, bridging functional and non‑functional requirements.

Join a collaborative team focused on performance insights, observability, and rapid iteration in a fast‑paced Agile environment.

Qualifications

• 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 performance testing tools like k6, Gatling, or JMeter.
• Familiarity with Node.js and frontend frameworks like Angular or React.

Skills

Java development

Spring Boot

RESTful APIs

Performance testing

Debugging & profiling

Production-quality code

Performance engineering mindset

Agile/Scrum

Cloud-native apps

Observability

Tools

k6

Gatling

JMeter

Node.js

Angular

React

CI/CD pipelines

Job description

Fidelity Labs, Fidelity Investments' in‑house fintech incubator, seeks a Principal Performance Engineer to lead hands‑on performance exploration and architecture for world‑class end‑to‑end systems. You will design, implement, and optimize scalable services and pipelines, bridging functional and non‑functional requirements.

Join a collaborative team focused on performance insights, observability, and rapid iteration in a fast‑paced Agile environment.