Jobs › Companies › Fidelity Investments › Principal, Full Stack Engineer (Node, Python, Angular/ React)

Über diese Principal, Full Stack Engineer (Node, Python, Angular/ React) Stelle bei Fidelity Investments

Fidelity Investments · Vor Ort · Covington, KY

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)


  • Working knowledge of LLM concepts (prompting patterns, token limits, latency considerations)

  • Retrieval-Augmented Generation (RAG) fundamentals and embedding-based search concepts

  • Model evaluation basics (quality, safety, and regression testing) using modern evaluation frameworks and benchmark datasets

  • Responsible AI practices (guardrails, privacy considerations, and secure usage patterns)

  • Operational awareness for GenAI solutions (cost, performance, reliability, and safe usage)

  • Understanding of observability for LLM-based applications, including logging/metrics/tracing at the prompt and inference layers.

Education / Certifications (Helpful)


  • Undergraduate degree (BS, BA, etc.) or equivalent work experience
  • Relevant cloud, DevOps/SRE, or AI/ML certifications are a plus

The Skills You Bring


  • Strong desire and ability to learn new technologies and approaches

  • Ability to synthesize business needs into scalable technology solutions

  • Ability to work across organizations and drive positive outcomes

  • Comfort operating in a polyglot development environment

  • Excellent verbal and written communication skills

  • Ability to collaborate with data science and product teams to operationalize AI use cases

The Value You Deliver


  • Build and deliver scalable solutions on a scrum team benefiting multiple business units

  • Work across an empowered and autonomous organization to achieve the best outcomes

  • Contribute to a developer culture of quality and sustainability through automation

  • Share knowledge and provide technical guidance to peers through code reviews and design discussions

  • Help teams operationalize GenAI solutions with attention to reliability, safety, and repeatability

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 Technology

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.

Bereit, sich bei Fidelity Investments zu bewerben?
Bei Fidelity Investments bewerben

Über Fidelity Investments

At Fidelity, we are passionate about making our financial expertise broadly accessible and effective in helping people live the lives they want! We are a privately held company that places a high degree of value in creating and nurturing a work environment that attracts the best talent and reflects our commitment to our associates. We are proud of our diverse and inclusive workplace where we respect and value our associates for their unique perspectives and experiences. For information about working at Fidelity, visit FidelityCareers.com. Fidelity Investments is an equal opportunity employer. Fidelity will reasonably accommodate applicants with disabilities who need adjustments to participat

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