Principal, Full Stack Engineer (Node, Python, Angular/ React)

About the role

Fidelity will not provide immigration sponsorship for this position.

Job Description:

Job Summary

Deliver on the vision of the business by developing, researching, and recommending appropriate models, methods, tools, and technologies to achieve business-unit-wide solutions. Contribute to technology strategy in partnership with stakeholders across the business. Design, build, and support runtime services, platforms, and applications that power AI-enabled experiences at scale, and help identify and mitigate technical risks in the solutions you deliver.

The Role

You will be part of the team responsible for the creation and support of the Cognitive Computing Platform. This platform enables customers to interact with Fidelity in natural language across the channels that are important to them. You’ll help deliver reliable runtime services and operational practices that allow teams to run AI-enabled solutions consistently and safely, including dynamic experiences rendered within conversational chat.

The Team

As part of the team, you will implement solutions that enable customers to get the most out of what Fidelity can offer. You will create intuitive and highly engaging conversational experiences that help digitally savvy customers take control of their finances and feel confident in the choices they make.

The Expertise You Have (Preferred Qualifications)

- Broad experience across the full software development and delivery lifecycle, from design and implementation through testing, deployment, and ongoing support.

- Strong engineering proficiency in Node.js and Python, with the ability to design and implement scalable, maintainable backend services.

- Experience building enterprise‑grade conversational and interactive UI components using REACT, vue frontend frameworks, along with hands‑on experience using front‑end testing frameworks like Jest, Cypress, or Playwright.

- Hands-on experience working with NoSQL data stores such as MongoDB, DynamoDB, or ElastiCache, including data modeling and performance optimization.

- Solid grounding in DevOps/SRE practices, including monitoring, alerting, incident response, reliability engineering, and building production systems with an operational mindset.

- Proven experience designing and consuming RESTful APIs, using Service‑Oriented Architecture, and applying strong Object‑Oriented Programming principles.

- Familiarity with OpenAPI/Swagger and structured JSON‑based service contracts, including versioning and documentation best practices.

- Practical experience working within Agile development methodologies, collaborating closely with cross‑functional teams to deliver iterative value.

- Exposure to major cloud platforms (AWS, GCP, Azure), including hands-on experience with cloud‑native services, deployment pipelines, and distributed architectures.

AI / GenAI Skills (Preferred)