User Interface Architect

Role Overview

We are seeking a highly experienced Full Stack Architect – AI & Agentic Systems to lead the design and implementation of next-generation digital platforms powered by modern web technologies and AI-driven architectures.

The ideal candidate will possess deep expertise in ReactJS, NextJS, NodeJS, .NET Core, ASP.NET Web APIs, cloud-native application development, and enterprise architecture, along with hands-on experience designing and implementing Agentic AI solutions, Retrieval-Augmented Generation (RAG), AI orchestration frameworks, and AI Development Lifecycle (AI-DLC) practices.

This role will drive the convergence of traditional software engineering and AI engineering, enabling scalable, secure, and production-ready AI-powered applications.

Job Location: Chicago, IL (Hybrid- 3 days/week- WFO)

Duration: 12 Months

Key Responsibilities

Enterprise & Solution Architecture

• Define end-to-end architecture for enterprise applications and AI-enabled platforms.
• Design scalable systems leveraging microservices, API-first architecture, event-driven patterns, and cloud-native principles.
• Establish architecture governance, design standards, and engineering best practices.
• Conduct architecture reviews and technology assessments.

Full Stack Architecture

• Architect modern frontend applications using ReactJS, NextJS, TypeScript, and component-driven design.
• Design backend services using NodeJS, .NET Core, ASP.NET Web APIs, and microservices.
• Define secure integration patterns across enterprise applications, cloud services, and AI platforms.
• Drive performance optimization, observability, security, scalability, and maintainability.

Agentic AI Solution Architecture

• Architect autonomous and semi-autonomous AI agents for business process automation.
• Design multi-agent systems using orchestration frameworks such as LangGraph, Semantic Kernel, AutoGen, CrewAI, or similar technologies.
• Define AI workflows involving planning, reasoning, memory management, tool usage, and human-in-the-loop controls.
• Architect enterprise-grade RAG solutions integrating vector databases, enterprise knowledge sources, and LLMs.
• Implement guardrails, AI governance, responsible AI controls, and evaluation frameworks.

CitiusTech is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

Life at CitiusTech

We focus on building highly motivated engineering teams and thought leaders with an entrepreneurial mindset, centered on our core values of Passion, Respect, Openness, Unity, and Depth (PROUD) of knowledge . Our success lies in creating a fun, transparent, non-hierarchical, diverse work culture that focuses on continuous learning and work-life balance.

Rated by our employees as the ‘Great Place to Work for’ according to the Great Place to Work survey. We offer you a comprehensive set of benefits to ensure that you have a long and rewarding career with us.

Our EVP

Be You Be Awesome is our EVP and it reflects our continuing efforts to create CitiusTech as a great place to work where our employees can thrive, both personally and professionally. It encompasses the unique benefits and opportunities we offer to support your growth, well-being, and success throughout your journey with us and beyond. Together with our clients, we are solving some of the greatest healthcare challenges and positively impacting human lives. Welcome to the world of Faster Growth, Higher Learning, and Stronger Impact. Join CitiusTech. Be You. Be Awesome. To learn more about CitiusTech, visit