Senior Full-Stack AI Agent Architect

Ontrac Solutions LLC.; Chicago (IL); On-site; USD 140,000 - 210,000; Full time

Benefits offered by this job

Contractor program

Job summary

Ontrac Solutions LLC. seeks a senior full stack software engineer to join a contractor program supporting a customer engagement that builds multi-agent systems with Google's ADK on Google Cloud Platform.

You will own the entire stack—from agents and backend services to the web interface used by customers—and operate them in production, with evaluation loops to improve agent behavior. The role requires ADK agent development experience, strong frontend and backend skills, and CI/CD discipline to

Qualifications

• BA/BS in CS or equivalent practical experience.
• Production delivery experience on GCP.
• Hands-on ADK agent development and deployment.

Responsibilities

• Design the multi-agent architecture and tool boundaries.
• Implement agents and tools with ADK and REST/MCP integrations.
• Build the web frontend and the backend services exposing agents to users.
• Deploy to GCP Cloud Run with CI/CD and managed environments.
• Develop evaluation suites and feedback loops to measure agent output.
• Instrument tracing and logging for production debugging.

Skills

ADK development

Multi-agent systems

Frontend development

Backend API design

CI/CD

Testing

GCP deployment

TypeScript

OAuth 2.0 / JWT

Education

Bachelor's degree in Computer Science

Tools

Google Cloud Platform (GCP)

ADK

PostgreSQL

OAuth 2.0 / OIDC

JWT

Cloud Run

Vertex AI

Job description

Ontrac Solutions LLC. seeks a senior full stack software engineer to join a contractor program supporting a customer engagement that builds multi-agent systems with Google's ADK on Google Cloud Platform.

You will own the entire stack—from agents and backend services to the web interface used by customers—and operate them in production, with evaluation loops to improve agent behavior. The role requires ADK agent development experience, strong frontend and backend skills, and CI/CD discipline to