Role Overview
UMATR is hiring a mid-level AI / ML Engineer (Developer Tools & Agents). This is a full-time role in CA. Part of UMATR's Frontend hiring, posted yesterday. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job Description
AI / ML Engineer (Developer Tools & Agents)
Toronto, Canada | Up to $280k CAD
Join a highly technical team shaping how AI agents interact with the web by building the tools, frameworks, and developer experiences that power the next generation of browser-based AI systems. This is a role for engineers who care as much about developer experience and usability as they do about system design and performance.
What you’ll be working on
- Building developer tools that let engineers run and orchestrate browser agents on top of a API
- Running experiments to understand which models, prompts, and agent harnesses actually work in production-like conditions
- Designing eval sets to benchmark agent performance against realistic, messy web scenarios
- Creating open-source demos that showcase what’s possible with AI agents and browser automation
- Working directly with customers to help them integrate and deploy custom agent workflows
- Writing technical deep-dives sharing insights from real-world debugging and system behaviour
What we’re looking for
- 4+ years of experience writing high-quality production code
- Strong “AI-native” mindset and active use of AI tools and agents in daily workflows
- Experience shipping full-stack features end-to-end (frontend, backend, and systems integration)
- Interest in developer tooling, APIs, and developer experience design
- Strong communication skills, with ability to write clear technical content
- Strong product intuition and ability to turn ambiguous problems into usable tools
- Comfortable working in highly autonomous, fast-moving environments
What’s in it for you
- Define how developers build with AI agents on the web from the ground up
- Work across infrastructure, product, and applied AI in a single role
- Ship open-source tools and demos used by a growing developer community
- Influence real product direction through experiments and developer feedback loops
- Work closely with early customers and see your work used in production quickly
- High ownership, low process, and direct impact on a fast-growing platform
Apply now
If you’re excited by building tools that make AI agents actually usable for developers - and not just impressive in demos - apply today!
Frequently Asked Questions
How do I apply for the AI / ML Engineer (Developer Tools & Agents) position at UMATR?
Use the Apply button above to submit your application directly to UMATR. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the AI / ML Engineer (Developer Tools & Agents) position at UMATR located?
This position is based in CA. UMATR has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a AI / ML Engineer (Developer Tools & Agents) at UMATR earn?
UMATR has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the AI / ML Engineer (Developer Tools & Agents) role at UMATR posted?
This role was posted on June 19, 2026 (yesterday). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
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