Engineering Internship: Build Dependable Agent-Powered Systems

Reason Machines; San Francisco (CA); On-site; USD 180,000 - 240,000; Full time

Job summary

Reason Machines in San Francisco seeks a Software Engineer who will own product, runtime, and production systems, turning early ideas into dependable software with high autonomy. You’ll work across the product surface and the infrastructure behind long-running autonomous agent work, shaping how users interact with complex tooling.

You will collaborate directly with users, raise the bar for quality, testing, verification, and operations, and help craft a scalable platform that supports rapid

Qualifications

• You have shipped substantial product or platform systems.
• You move comfortably between product, frontend, and backend.
• You care about dependable products, not just demos.
• You communicate clearly and enjoy hard trade-offs.

Responsibilities

• Build clear, dependable agent-assisted product experiences.
• Design and run the systems behind long-running agent work.
• Work directly with users and turn rough workflows into product.
• Raise the bar for quality, testing, verification, and operations.

Job description

Reason Machines in San Francisco seeks a Software Engineer who will own product, runtime, and production systems, turning early ideas into dependable software with high autonomy. You’ll work across the product surface and the infrastructure behind long-running autonomous agent work, shaping how users interact with complex tooling.

You will collaborate directly with users, raise the bar for quality, testing, verification, and operations, and help craft a scalable platform that supports rapid