Principal Performance Engineer

Soteria Reinsurance Ltd.; Durham, Northern (NC, KY); Hybrid; USD 140,000 - 170,000; Full time

Job summary

Fidelity Labs is seeking a Principal Performance Engineer in Durham, NC. You will be hands-on building the architecture of world-class end-to-end systems and leading performance initiatives across services.

The role demands strong Java and Spring Boot skills, expertise in RESTful APIs, performance testing, and observability. You will influence design decisions and collaborate with agile teams to deliver scalable, cloud-native applications.

Qualifications

• Strong Java development experience.
• Hands-on with Spring Boot services.
• Experience building RESTful APIs and distributed systems.
• Design and execute performance/load tests.
• Familiarity with performance tooling (k6, Gatling, JMeter).
• Experience with Node.js and frontend frameworks (Angular/React).
• Understanding of CI/CD pipelines and test automation.
• Knowledge of observability tools and cloud-native apps.

Responsibilities

• Build and maintain end-to-end systems and services.
• Design and run performance and load tests.
• Debug, profile, and optimize production code.
• Collaborate with cross-functional teams to improve design.
• Bridge functional correctness and non-functional requirements.

Skills

Java

Spring Boot

REST APIs

Distributed Systems

Performance Testing

Node.js

Frontend Frameworks

CI/CD

Containers/Microservices

Observability

Agile/Scrum

Debugging/Profiling

Tools

k6

Gatling

JMeter

Job description

## Principal Performance EngineerApply: Durham, NC: Full time: Posted Today: 2129065# **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 TechnologyPlease 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.