Platform Engineer: Full-Stack AI & API Systems

Quantum Technologies. LLC; San Diego (CA); On-site; USD 120,000 - 190,000; Full time

Job summary

Quantum Technologies. LLC in the United States is seeking a hands-on Platform Engineer with strong full-stack, AI engineering, and software-architecture skills to design, deploy, and support scalable, secure applications.

You will own APIs, backend services, and developer platforms, build AI agents and retrieval workflows, and drive CI/CD and operational readiness across the SDLC. Collaboration across teams and security are critical.

Qualifications

• Hands-on software development using Java, Python, or C#/.NET.

Responsibilities

• Design, build, test, and operate APIs and backend services.
• Develop AI-enabled workflows and agents for architecture tasks.
• Implement CI/CD, deployment, and operational readiness.
• Ensure secure authentication, secrets management, and data protection.
• Integrate enterprise APIs and tools with scalable architectures.
• Review code, optimize performance, and troubleshoot issues.

Skills

Java

Python

C#/.NET

React/TypeScript

Tools

Docker

Kubernetes

CI/CD pipelines

Terraform

Job description

Quantum Technologies. LLC in the United States is seeking a hands-on Platform Engineer with strong full-stack, AI engineering, and software-architecture skills to design, deploy, and support scalable, secure applications.

You will own APIs, backend services, and developer platforms, build AI agents and retrieval workflows, and drive CI/CD and operational readiness across the SDLC. Collaboration across teams and security are critical.