Enterprise GenAI Tech Lead - Senior Fullstack Engineer

Visa; Bellevue (WA); On-site; USD 163,000 - 260,000; Full time

Job summary

Visa is seeking a Senior Staff Fullstack Engineer to shape the future of enterprise AI at scale. In this senior, hands‑on role you will architect, build, and scale GenAI and agentic applications across secure enterprise environments.

You will own major subsystems, mentor engineers, and collaborate with cross‑functional teams to translate complex business workflows into reliable AI‑enabled automation solutions. Expect autonomy, architectural influence, and production‑grade delivery.

Qualifications

• 8+ years of relevant work experience with a Bachelor's Degree or at least 5 years of experience with an Advanced Degree (e.g. Masters, MBA, JD, MD) or 11+ years of relevant work experience.
• Experience designing, building, and operating complex distributed software systems in production environments.
• Strong background in software architecture, distributed systems, API design, cloud-native platforms, and data-intensive applications.
• Hands‑on experience with React and backend development using Python, Node.js, Java, or similar languages.
• Experience with cloud platforms, containerized environments, CI/CD systems, and observability tooling.
• Experience building AI-enabled, data-driven, workflow automation, or agentic systems is highly valued.

Responsibilities

• Design, build, and scale GenAI and agentic applications with secure, scalable architecture.
• Own architecture and delivery of major GenAI subsystems; lead design reviews; mentor engineers; define reusable patterns.
• Apply system design judgment to build full-stack, production-grade apps with robust APIs, orchestration, and observability.
• Develop frontend experiences using React and integrate with backend APIs and AI-enabled services.
• Build backend services using Python/Node.js/Java, with secure APIs, asynchronous processing, and authentication.
• Work with databases like PostgreSQL, Redis, and vector databases; optimize queries and data access patterns.
• Implement AI-enabled workflows including tool orchestration, data retrieval, state management, and human approval flows.
• Develop AI capabilities using OpenAI/Anthropic SDKs, including prompts, tool calls, streaming, and model routing.
• Ensure observability and operational excellence with tracing, telemetry, and governance.

Skills

System design

Distributed systems

API design

Cloud-native architectures

Security and observability

Education

Bachelor's degree or higher

Tools

React

Python

Node.js

Java

FastAPI

AWS

Azure

Docker

Kubernetes

Git

CI/CD

Pinecone

Redis

PostgreSQL

Job description

Visa is seeking a Senior Staff Fullstack Engineer to shape the future of enterprise AI at scale. In this senior, hands‑on role you will architect, build, and scale GenAI and agentic applications across secure enterprise environments.

You will own major subsystems, mentor engineers, and collaborate with cross‑functional teams to translate complex business workflows into reliable AI‑enabled automation solutions. Expect autonomy, architectural influence, and production‑grade delivery.