Principal, Full Stack Engineer (SRE)

Job Description:

Note: Fidelity will not provide immigration sponsorship for this position

Principal Full Stack Engineer (SRE)

The Role

Our Engineering Productivity & Reliability Tools group within Enterprise Infrastructure builds high impact internal applications that help SREs work smarter and operate more reliably. We deliver full stack systems that streamline workflows surface real time insights and enable automation at scale.

We create tools that simplify complex infrastructure tasks improve observability and reduce cognitive load through resilient thoughtful design.

We are seeking a FullStack Engineer with strong software fundamentals and solid experience in distributed systems. You will collaborate with SREs to convert realworld operational pain points into wellcrafted reliable internal tools.

TheExpertiseand Skills You Bring

• Bachelors degree or higher in a technology related field (e.g. Engineering Computer Science etc.) required Masters degree a plus.

• 5 years of professional software engineering experience; experience contributing to or leading technical direction a plus.

• Proven experience building fullstack applications and services in a modern development environment.

• Experience developing cloudnative applications preferably on AWS.

• Hands-on experience with container orchestration preferably with Kubernetes

• Familiarity with agile development methodologies and collaborative engineering practices

• Strong fullstack development experience using Python or Go on the backend and modern UI frameworks such as React or React Native on the frontend.

• Ability to design and build reliable scalable services APIs and automation tools used by engineering teams.

• Familiarity with eventdriven architectures and messaging technologies such as Kafka SNS/SQS or similar

• Experience integrating with observability platforms (Datadog Grafana Prometheus OpenTelemetry etc.) and instrumenting applications for metrics logs and traces.

• Understanding of AIOps concepts and experience using or integrating tools that support anomaly detection intelligent alerting or operational insights.

• Ability to reason about performance scalability and dataflow patterns in distributed systems

• Comfortable working with relational and NoSQL databases with a highlevel understanding of schema design and data modeling

• Strong grasp of DevOps concepts including CI/CD pipelines.

• Familiarity with InfrastructureasCode tooling (Terraform CloudFormation Ansible etc.)

• Strong communication skills and the ability to partner with SREs developers and platform teams to understand needs and deliver intuitive solutions.

• Curiosity willingness to learn new technologies and a strong sense of ownership.

• Build fullstack internal tools that improve operational efficiency automation and visibility for SRE teams.

• Translate engineering pain points into scalable solutions that simplify workflows and enhance reliability.

• Develop backend services automation frameworks dashboards and UIs that reduce cognitive load and accelerate troubleshooting.

• Ensure the tools you build are performant resilient and easy to support as usage scales.

• Support engineers through clear documentation thoughtful UX and ongoing partnership across teams.

Certifications:

Category:

Most roles at Fidelity are Hybrid requiring associates to work onsite every other week (all business days M-F) in a Fidelity office. This does not apply to Remote or fully Onsite roles. Some roles may have unique onsite requirements. Please consult with your recruiter for the specific expectations for this position.

Please be advised that Fidelitys 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.