Principal Performance Engineer

Fmr LLC
Westlake, TX, United States
about 1 month ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Job source

Tech stack

Java (Programming Language) Automation of Tests Profiling Software Debugging Distributed Systems Apache JMeter Node.Js Data Logging Performance Testing Spring Cloud ReactJS Grafana
+6 more
Spring-boot Gatling AngularJS Front End Software Development Restful APIs Microservices

Job description

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

Requirements

  • 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.

About the company

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.

Apply for this position

This job is hosted externally. Click below to view the full posting and apply.

Apply on www.indeed.com

Good distractions

Talks and stories from around this role — technically off-topic, practically not.

1:20 min

Identifying multi-disciplinary talent for developer experience engineering roles

Hazal Mestci +1 · Coffee With Developers

10:40 min

Visualizing Prometheus open metrics using custom Grafana dashboards

Stijn Polfliet · LIVE

45 sec

Working securely with Node.js path application programming interfaces

Sonya Moisset · WWC 2023

7:58 min

Contrasting static versus randomized prompt load testing outcomes

Heather Thacker Heather Thacker · Europe 2026 Virtual

1:04 min

Visualizing Keycloak performance via standard Grafana troubleshooting dashboards

Alexander Schwartz Alexander Schwartz · WWC 2025

3:55 min

Identifying underlying Node.js runtime vulnerabilities using fuzzing tools

Sonya Moisset · WWC 2023

Videos

See all

Related articles

See all