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# Principal Full Stack Engineer

- **Company:** Fmr LLC
- **Location:** Westlake, TX, United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Automation of Tests, Cloud Computing, Cloud Engineering, Software Quality, Continuous Integration, Distributed Systems, Fault Tolerance, Enterprise Messaging Systems, Cloud Services, Data Streaming, System Availability, Spring-boot, Event Driven Architecture, Apache Kafka, Restful APIs, Microservices
- **Published:** October 15, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=5e4c35ff293c1aaf

## About the Role

* 10 plus years of deep expertise in Java, Spring Boot, distributed systems, and event-driven architectures.
 * Strong hands-on experience with Apache Kafka, event streaming patterns, and scalable messaging platforms.
 * Experience designing and building RESTful APIs and microservices. and enterprise-grade cloud solutions on AWS.
 * Proven ability to own critical platforms and services end-to-end, driving architecture, design, implementation, operational readiness, and long-term sustainability.
 * Experience establishing and advancing engineering excellence, including automated testing, CI/CD, observability, resiliency engineering, operational monitoring, and software quality practices.
 * Deep understanding of system design, scalability, high availability, fault tolerance, and operational maturity in large-scale distributed environments.
 * Ability to identify technical risks, make sound engineering trade-offs, and lead teams through complex modernization and transformation initiatives.
 * Passion for solving complex engineering challenges, continuously improving platform capabilities, and delivering innovative business-critical solutions.

## Description

We are seeking a Principal Full Stack Engineer to join our Shared Services Engineering organization, supporting our Brokerage Notification and Messaging Platforms. In this role, you will contribute to the development of the Event Distribution Platform and help modernize the Fidelity Electronic Notification System (FENS) from a legacy mainframe-based solution into a scalable, cloud-native, event-driven BNS platform. These platforms will enable real-time, compliant, and personalized communications for millions of Retail and Institutional Brokerage clients.

As part of a collaborative and highly skilled engineering team, you will work alongside software engineers, architects, product owners, and business partners to build modern event-driven solutions that support Fidelity's strategic messaging and communication capabilities. You'll have the opportunity to work with cloud technologies, event streaming platforms, modern APIs, and distributed systems while contributing to solutions that operate at enterprise scale.

We value innovation, continuous learning, teamwork, and engineering excellence. You will be empowered to solve challenging technical problems, contribute new ideas, and grow your expertise in cloud-native and event-driven architectures.