Senior Founding Engineer - AI Agents

Tyce; Toronto; On-site; CAD 120,000 - 220,000; Full time

Benefits offered by this job

Equity in early-stage startup

Learning & Growth stipend

Job summary

Tyce in Toronto is hiring a Senior Founding Engineer to own the AI core of the product, ingesting, understanding, retrieving, and reasoning over customer documents. You’ll work on a lean stack with FastAPI, PostgreSQL, Pydantic-AI, Logfire, AWS and a TypeScript frontend.

The role is in-person downtown Toronto, mid-to-senior AI/engineering experience required, with a salary range CAD 120k–220k and equity of 0.25%–1.5%. Relocation is allowed and visa sponsorship is not available.

Qualifications

• Mid-to-senior AI/engineering experience.
• Strong Python skills; shipping production systems.
• Hands-on experience with LLM/RAG or ML systems.
• Excellent verbal and writing skills.
• Full-time, in-person in downtown Toronto.

Responsibilities

• Build a Context/Knowledge Graph around customer knowledge bases and process documents into AI-native context.
• Improve the agent harness with agentic search and unique tools.
• Build an evaluation harness to maintain quality while shipping fast.
• Ship AI features daily with founders and help define the AI roadmap.
• Work with a modern stack: FastAPI, PostgreSQL, Pydantic-AI, Logfire, AWS, React/TypeScript.

Skills

Python

Job description

Senior Founding Engineer - AI Agents

• Salary: $120k – $220k CAD 0.25% – 1.5%
• Job Location: Toronto
• Experience: 3 years of exp
• Job Type: Full Time

Job Location

Toronto

Remote Work Policy

In office - WFH flexibility

Visa Sponsorship

Not Available

Relocation

Allowed

Skills

• Python

About the job

AI Startup · Toronto, Canada (In-Person downtown Toronto)

About Us

We're solving one of the largest problems in the physical world: housing that's too slow and too expensive to build. The $2 trillion construction industry runs on human expertise that doesn't scale - so we're building the AI that understands what to build and how to build it.We start with the costliest problems for general contractors - the multi-million-dollar decisions that Claude cannot solve. Tyce Agent wins more projects and estimates costs on multi-million-dollar builds live at one of the landmark construction companies today.We just closed a 7-figure round and are hiring to build the best AI platform for construction.

Role Overview

You'll own the AI core of the product: how we ingest, understand, retrieve, and reason over customers' documents. This is where the hardest, most interesting problems live.We're on a modern, lean stack: FastAPI, PostgreSQL, Pydantic-AI, Logfire, AWS, with a React Router / TypeScript frontend.

What You'll Do

• Building a Context/Knowledge Graph around our customers knowledge bases - process messy PDFs, Excels into AI-native context representation
• Improve on our agent harness - agentic search and any unique tools as part of our platform
• Build the evaluation harness that keeps quality high as we ship fast.
• Ship latest AI featureas day-to-day alongside the founders and shape the AI roadmap.
• We're on a modern, lean stack: FastAPI, PostgreSQL, Pydantic-AI, Logfire, AWS, with a React Router / TypeScript frontend.

Required Qualifications

• Mid-to-senior level of AI/engineering experience.
• Strong in Python; comfortable shipping production systems, not just notebooks.
• Hands-on experience building and evaluating LLM/RAG or ML systems.
• Go-getter mindset, personal agency, fast learner, excellent verbal and writing skills.
• Full-time, in-person in downtown Toronto

Nice-to-have Qualifications

• Having any of these is a strong plus — tell us your superpower:
  • Built and evaluated an AI agent / RAG system for real-world performance.
  • Document parsing / OCR / information-extraction experience (PDF, DOCX, tables, layout).
  • Retrieval/search background (embeddings, ranking, vector + keyword hybrid).
  • Comfortable full-stack enough to ship your own features end-to-end.
  • Competitive programmer (e.g. ACM ICPC).

What We Offer

• Competitive salary plus meaningful equity in an early-stage company.
• A founding-level seat on a 10-person product engineering team with direct influence over architecture and product direction.
• A close-knit and collaborative early-stage startup environment where every voice is heard and every opinion matters
• Learning & Growth stipend

Check us out at https://www.tyce.ai/