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 Full‑Stack Engineer with strong software fundamentals and solid experience in distributed systems. You will collaborate with SREs to convert real‑world operational pain points into well‑crafted, reliable internal tools.
The Expertise and Skills You Bring
Bachelor’s degree or higher in a technology related field (e.g. Engineering, Computer Science, etc.) required, Master’s degree a plus.
5+ years of professional software engineering experience; experience contributing to or leading technical direction a plus.
Proven experience building full‑stack applications and services in a modern development environment.
Experience developing cloud‑native applications, preferably on AWS.
Hands-on experience with container orchestration, preferably with Kubernetes
Familiarity with agile development methodologies and collaborative engineering practices
Strong full‑stack development experience using Python, Node.js, 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 event‑driven 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 data‑flow patterns in distributed systems
Comfortable working with relational and NoSQL databases, with a high‑level understanding of schema design and data modeling
Strong grasp of DevOps concepts including CI/CD pipelines.
Familiarity with Infrastructure‑as‑Code 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 full‑stack 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.
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 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.
Top Skills
What We Do
At Fidelity, our goal is to make financial expertise broadly accessible and effective in helping people live the lives they want. We do this by focusing on a diverse set of customers: - from 23 million people investing their life savings, to 20,000 businesses managing their employee benefits to 10,000 advisors needing innovative technology to invest their clients’ money. We offer investment management, retirement planning, portfolio guidance, brokerage, and many other financial products. Privately held for nearly 70 years, we’ve always believed by providing investors with access to the information and expertise, we can help them achieve better results. That’s been our approach- innovative yet personal, compassionate yet responsible, grounded by a tireless work ethic—it is the heart of the Fidelity way.
