Senior Founding Engineer

3 days ago
Toronto ON, Toronto Census Division, ON; Ontario, Canada Tyce Full-time €120,000 - €220,000 Temporary
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

#J-18808-Ljbffr

  • Senior Founding Engineer, Backend

    1 hour ago

    Toronto, Ontario, Canada Tyce Full-time

    ("Cracked engineers only": Tyce is looking for backend engineers who ship fast and own outcomes.)About UsWe're solving one of the largest problems in the physical world: public infrastructure that's too slow and too expensive to build. Construction is a $17 trillion global industry, and it runs on human expertise that doesn't scale, so we're building the AI...

  • Senior Founding Engineer

    1 hour ago

    Toronto, Ontario, Canada Tyce Full-time

    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...

  • Senior Founding Engineer

    2 days ago

    toronto, on, Canada Keplar Full-time

    Launch your career at Keplar as a Senior Founding Engineer focused on voice AI technologies. Collaborate with an outstanding founding team to build products that transform market research.In this vital role at Keplar, you'll be responsible for steering the technical roadmap as you build agent-driven applications and scalable AI infrastructures. Your...

  • Senior Founding Engineer

    5 days ago

    Toronto, ON, Toronto Census Division, ON; Ontario, Canada Tyce Full-time €120,000 - €220,000 Temporary

    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...

  • Senior Founding Engineer

    2 days ago

    Toronto, ON, Toronto Census Division, ON; Ontario, Canada Keplar Full-time

    Launch your career at Keplar as a Senior Founding Engineer focused on voice AI technologies. Collaborate with an outstanding founding team to build products that transform market research. In this vital role at Keplar, you'll be responsible for steering the technical roadmap as you build agent-driven applications and scalable AI infrastructures. Your...

  • Senior Founding Engineer, Backend

    3 days ago

    Toronto, ON, Toronto Census Division, ON; Ontario, Canada Tyce Full-time

    ("Cracked engineers only": Tyce is looking for backend engineers who ship fast and own outcomes.) About Us We're solving one of the largest problems in the physical world: public infrastructure that's too slow and too expensive to build. Construction is a $17 trillion global industry, and it runs on human expertise that doesn't scale, so we're building the...

  • Senior Founding AI Engineer — In-Person with Equity

    3 days ago

    Toronto, ON, Canada Tyce Full-time

    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...

  • Senior Founding AI Engineer — In-Person with Equity

    5 days ago

    Toronto, ON, Toronto Census Division, ON; Ontario, Canada Tyce Full-time

    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...

  • Founding Customer Engineer

    4 days ago

    Toronto, Ontario, Canada Terminal Full-time $200,000 - $260,000 Contract

    About TerminalTerminal builds telematics data infrastructure for the commercial fleet industry. Commercial auto insurers and fleet software companies depend on our platform to access GPS, speeding, and vehicle data from 350+ telematics providers. We recently raised our Series A led by Battery Ventures and are backed by Y Combinator, Golden Ventures, Penske...

  • Founding 3D Scanning Engineer

    5 days ago

    Toronto, ON, ON, Canada OmaScan Inc. Remote Full-time

    Founding 3D Engineer at OmaScan Full time · Toronto (hybrid) or remote in Canada · Contract-to-hire welcome **What is OmaScan?** OmaScan is a healthtech startup on a mission to help seniors and people with accessibility challenges live longer, safer, more independent lives at home. Before someone gets a ramp, a stairlift or grab bars, an OT or...

Similar jobs in Toronto ON

Top cities