Platform Engineer: AI-Powered Dev Platform & APIs

Quantum Technologies. LLC; Chicago (IL); On-site; USD 120,000 - 190,000; Full time

Job summary

Quantum Technologies. LLC is seeking an experienced engineer to design, develop, test, and operate production-grade APIs, backend services, web applications, and developer-facing platforms in Chicago.

You will build self-service portals, automation, and integrated solutions across enterprise tools to accelerate platform adoption. You will own capabilities across the SDLC, including CI/CD, deployment, documentation, and operational readiness, while building AI agents and retrieval-augmented

Responsibilities

• Design, develop, test, and operate production-grade APIs, backend services, web applications, and developer-facing platforms.
• Build self-service portals, infrastructure platform catalogs, reusable components, and automation that simplify adoption of approved platform capabilities.
• Develop integrations across application services, databases, messaging platforms, API gateways, and enterprise engineering tools.
• Write maintainable, secure, well-tested code and participate in code reviews, design discussions, troubleshooting, and performance optimization.
• Own capabilities throughout the SDLC, including CI/CD, deployment, rollback, documentation, and operational readiness.
• Build AI agents and AI-assisted workflows for architecture analysis, engineering knowledge discovery, evidence collection, standards validation, and remediation planning.
• Develop retrieval-augmented generation solutions that ground responses in authorized architecture documents, code, configuration, and platform knowledge.
• Integrate agents with enterprise APIs and tools through controlled interfaces, including Model Context Protocol (MCP) where appropriate.
• Implement evaluation frameworks for accuracy, grounded ness, safety, consistency, latency, and cost.
• Engineer production controls for AI systems, including access restrictions, bounded execution, auditability, human approval, and safe fallback behavior.
• Automate architecture-review feedback and remediation tracking within developer workflows.

Job description

Quantum Technologies. LLC is seeking an experienced engineer to design, develop, test, and operate production-grade APIs, backend services, web applications, and developer-facing platforms in Chicago.

You will build self-service portals, automation, and integrated solutions across enterprise tools to accelerate platform adoption. You will own capabilities across the SDLC, including CI/CD, deployment, documentation, and operational readiness, while building AI agents and retrieval-augmented