Member of Technical Staff - Agents

About the role

Steel builds open-source browser infrastructure for AI agents and applications. This engineering role focuses on making browser-based agents easier to build, evaluate and deploy in production.

Key responsibilities

• Build developer tools that let AI agents run on Steel's Sessions API.
• Experiment with models, prompts and agent harnesses to determine what works reliably for browser automation.
• Build evaluation sets that benchmark agents against realistic browser tasks.
• Create open-source demos and technical examples that show what developers can build with Steel.
• Work directly with customers deploying custom agents into production workflows.
• Contribute technical writing and share practical engineering learnings with the developer community.
• Move comfortably across product, frontend, backend and model-integration work when needed.

Requirements

• 4+ years of experience writing high-quality production software.
• Strong day-to-day use of AI agents in software-development workflows.
• Experience shipping full-stack product features from design through production.
• Interest in developer tooling and developer experience.
• Strong technical communication skills, including written communication.
• Strong product judgment and comfort working with substantial autonomy.

Location and work model

• Toronto, Ontario.
• Full-time.
• On-site.
• Engineering department.

Hiring process

Steel indicates that candidates who appear to be a fit may complete two to three short technical interviews followed by an on-site working session with the team.

Public referral reward

Steel publicly advertises a $10,000 referral bonus when an introduction results in a candidate joining the company. The public wording does not specify the currency, so RBB preserves the amount without assigning a currency.