Senior Full-Stack Engineer, AI/GenAI Platform

Fidelity Investments Inc.; Covington (KY); On-site; USD 110,000 - 170,000; Full time

Job summary

Fidelity Investments is seeking a senior software engineer to join the Cognitive Computing Platform team. You will design, build, and support runtime services powering AI-enabled experiences at scale, collaborating with stakeholders across Fidelity.

The role focuses on developing scalable backend services, crafting conversational UI components, and ensuring reliability and safety in GenAI solutions. Onsite role with strong DevOps and cloud experience.

Qualifications

• Broad experience across full software development lifecycle.
• Proficiency in Node.js and Python for backend services.
• Experience with enterprise-grade conversational UI using React/Vue and Jest/Cypress/Playwright.
• Hands-on with NoSQL stores (MongoDB, DynamoDB, ElastiCache) and data modeling.
• DevOps/SRE practices: monitoring, alerts, incident response, reliability.
• Experience designing RESTful APIs with SOA and OOP principles.
• Familiarity with OpenAPI/Swagger and JSON-based contracts.
• Agile methodologies and cross-functional collaboration.
• Exposure to AWS, GCP, and Azure cloud services.

Responsibilities

• Create and support Cognitive Computing Platform runtime services and AI-enabled solutions.
• Design, build, and maintain scalable backend services and platforms.
• Develop intuitive conversational experiences across Fidelity channels.
• Collaborate with cross-functional teams in an Agile environment.
• Operationalize GenAI solutions with emphasis on reliability and safety.

Skills

Node.js

Python

React

Vue

Jest

Cypress

Playwright

RESTful APIs

OpenAPI/Swagger

SOA

OOP

Agile

AWS

GCP

Azure

MongoDB

DynamoDB

ElastiCache

DevOps/SRE

Observability

Cloud-native

LLM / GenAI concepts

Prompting / RAG basics

Distributed architectures

Education

Undergraduate degree (BS, BA, etc.) or equivalent work experience

Cloud/DevOps/SRE or AI/ML certifications (plus)

Tools

MongoDB

DynamoDB

ElastiCache

OpenAPI/Swagger

REST APIs

Job description

Fidelity Investments is seeking a senior software engineer to join the Cognitive Computing Platform team. You will design, build, and support runtime services powering AI-enabled experiences at scale, collaborating with stakeholders across Fidelity.

The role focuses on developing scalable backend services, crafting conversational UI components, and ensuring reliability and safety in GenAI solutions. Onsite role with strong DevOps and cloud experience.