Senior Full-Stack Architect: AI & Agentic Systems

CitiusTech; Chicago (IL); Hybrid; USD 130,000 - 170,000; Full time

Job summary

CitiusTech is seeking a Full Stack Architect for AI & Agentic Systems in Chicago. Lead the design of AI-powered platforms using ReactJS, NextJS, NodeJS, .NET Core, and cloud-native patterns.

Architect agentic AI solutions with RAG, AI-DLC, and governance, while guiding teams in secure, scalable production systems. Responsibilities include defining end-to-end architecture, microservices, API-first design, and observability.

Qualifications

• Extensive experience as a senior full-stack architect delivering AI-enabled platforms.
• Strong expertise in ReactJS/NextJS/NodeJS/.NET Core and RESTful APIs.
• Proven ability to design scalable architectures, microservices, and cloud-native solutions.

Responsibilities

• Define end-to-end architecture for enterprise apps and AI-enabled platforms.
• Design scalable microservices and API-first architectures for cloud-native deployment.
• Establish governance, standards, and best practices across engineering teams.
• Conduct architecture reviews and technology assessments.

Skills

ReactJS

NextJS

TypeScript

HTML5/CSS3

Responsive UI Design

NodeJS

ExpressJS

.NET Core

Web API

REST API

C#

SQL Server

MongoDB

Microservices

API-First Design

DDD

CQRS

Design Patterns

Agentic Workflows

Multi-Agent Systems

Semantic Kernel

LangChain / LangGraph

AI Guardrails

Prompt Engineering

AI Evaluation Frameworks

Docker

GitHub Actions

Jenkins

Observability Platforms

Tools

Docker

Kubernetes

CI/CD Pipelines

Job description

CitiusTech is seeking a Full Stack Architect for AI & Agentic Systems in Chicago. Lead the design of AI-powered platforms using ReactJS, NextJS, NodeJS, .NET Core, and cloud-native patterns.

Architect agentic AI solutions with RAG, AI-DLC, and governance, while guiding teams in secure, scalable production systems. Responsibilities include defining end-to-end architecture, microservices, API-first design, and observability.