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Added 29 mins ago
TT
Manager, Project Controls (14009)
Toronto Transit Commission (TTC)
Toronto, ON · Greater Toronto Area, Canada
- $140,176.4 to $175,284.2 CAD / year
- Full-time
Department: Project Management Office (20000008) - Project Controls - Construction (30000567)
Added 29 mins ago
TT
Project Manager, Renewable Energy Programs (14011)
Toronto Transit Commission (TTC)
Toronto, ON · Greater Toronto Area, Canada
- $140,176.4 to $175,284.2 CAD / year
- Full-time
The Project Manager, Renewable Energy Programs is responsible and accountable for the management and coordination of multiple related projects to achieve strategic business and…
Added 2 hours ago
MN
Corporate Process Engineer
Minth North America, Inc.
Windsor, ON
- $100,000 CAD / year
- Full-time
The Corporate Process Engineer will utilize their strong analytical skills daily to dissect complex manufacturing workflows and identify root causes of inefficiencies. Their expertise in…
Added 8 hours ago
Engineer
Toronto Hydro
Toronto, ON
Reporting to the Manager, Engineering - Non-Wires Solutions, the Engineer will support the identification, evaluation and development of Non-Wires Solutions and other grid investment…
Added 10 hours ago
DA
Senior NPI Engineer
DART Aerospace
Montreal, QC · Greater Montreal Metropolitan Area
- Full-time
Senior New Product Introduction (NPI) Engineer
Added 12 hours ago
C
Manager, Engineering
Cvent
Fredericton, NB
- Full-time
Support onboarding, training, and skill development aligned to engineering competencies and each engineer’s growth trajectory.
Added 13 hours ago
SC
Enterprise Adobe Experience Manager (AEM) Specialists – Expression of Interest (Open Roles: AEM Core Developer |Front-end Developer |Leads|Architects)
Spareminds Consulting Services Inc
Toronto, ON
- Full-time
Duration: Typically 6–12 months per project assignment (with potential extensions)
Added 13 hours ago
GF
Mechanical Engineer
General Fusion Inc.
Richmond, BC
- Full-time
The Mechanical Engineer will be a key contributor in a team responsible for designing, building and operating mechanical systems in support of General Fusion’s LM26 project. The successful…
Added 14 hours ago
L
Murex DevOps
Luxoft
Toronto, ON
- Full-time
…integration, upgrade, and migration. We provide end-to-end project services and have delivered over 200 successful Murex projects across all major asset classes and sectors including…
Added 21 hours ago
CS
Instructor, AI Machine Learning and AI Robotics with Python (Vancouver)
Circuit Stream
Vancouver, BC
- $1,500 to $1,650 CAD / week
- Contract
We’re looking for a software engineer, AI practitioner, python educator, data professional, or Masters/PhD student who can make Python, AI, machine learning, and robotics approachable for…
Added 1 day ago
BG
Senior Renewable Energy Technical Advisor
BTY Group
Vancouver, BC
- $100,000 to $125,000 CAD / year
- Full-time
BTY is an award-winning professional consultancy firm, providing complete project solutions in infrastructure, real estate and renewable energy asset planning, development, operations, and…
Added 1 day ago
C
Sr Assoc, New Equipment Modernization
Carrier
ON · Regional Municipality of York, ON
- Full-time
Added 1 day ago
S&
Senior Structural Engineer 1 - Nuclear
Sargent & Lundy
Toronto, ON · North York, ON
- Full-time
…from other disciplines, and guide the work of less experienced project team members. You will work with a structural engineering team on engineering projects for new nuclear facilities and…
Added 1 day ago
S&
Lead Piping Stress Engineer 1 - Nuclear
Sargent & Lundy
Toronto, ON · North York, ON
- Full-time
Provides senior level technical direction and supervision to the project team members in his/her discipline. Establishes project task schedules and budgets for his/her discipline to meet…
Added 1 day ago
S&
Senior Piping Stress Engineer 1 - Nuclear
Sargent & Lundy
Toronto, ON · North York, ON
- Full-time
Coordinate and provide guidance to other engineers, project managers, client personnel, and suppliers to ensure a complete and timely design
Added 1 day ago
S&
Lead Structural Engineer 1 - Nuclear
Sargent & Lundy
Toronto, ON · North York, ON
- Full-time
This is a Project Lead Structural Engineer position that offers a variety of interesting and challenging opportunities in structural engineering and will provide an excellent opportunity to…
Added 2 days ago
WG
Mechanical Engineer
Western Grain Dryer Inc.
Elie, MB
- Full-time
Role Description This is a full-time, on-site Mechanical Engineer role based in Elie, MB. The Mechanical Engineer will design and develop grain dryers and related handling equipment,…
Added 2 days ago
I
Senior Product Manager - QuickBooks Workforce Solutions Mid Market
Intuit
Toronto, ON
- Full-time
…with an accountant about chart-of-accounts mapping and with an engineer about verification retries and status codes. You use data and customer feedback to find the highest-impact…
Added 2 days ago
S&
Senior Instrumentation & Controls Engineer 1 - Nuclear
Sargent & Lundy
Toronto, ON · North York, ON
- Full-time
…interface with the discipline engineers and designers on the Project Team and with the client to ensure all client requirements are…
Added 2 days ago
BF
Automation Systems Engineer
BC Ferries
BC · British Columbia, Canada
- Full-time
We are seeking an experienced Automation Systems Engineer to join our Engineering Technical Services and Standards (ETSS) team. This role is responsible for providing technical oversight…
Added 2 days ago
OV
Systems Administrator, Information Technology - Full Time - Markham Stouffville Hospital
Oak Valley Health
Markham, ON
- Full-time
Added 2 days ago
DC
Team Leader, Deployed Operations
Defence Construction Canada
Ottawa, ON
- Full-time
…Canadian Forces Joint Operational Support Group (CFJOSG), 1 Engineer Support Unit (1 ESU) and the Task Force Engineering Team in each overseas location. The incumbent identifies…
Added 2 days ago
NS
Project Leader - Cape Breton Redevelopment Project
Nova Scotia Health Authority
Sydney Indian Reserve No. 28A, NS · Sydney, NS
- Full-time
Registered Engineer in a relevant Engineering discipline having 3-5 years project management experience; or
Added 2 days ago
NM
Engineer, Mine Projects
Newmont Mining Corporation
BC · Kitimat-Stikine, British Columbia
- Full-time
As an Engineer, Mine Projects, you will support the successful delivery of site projects at Brucejack, helping ensure work is completed safely, on schedule, and to the required quality…
Added 2 days ago
FM
Welder Lead Hand
Fortis Mining Engineering & Manufacturing
Saskatoon, SK
- Full-time
Innovation– if it doesn’t exist, we will engineer and manufacture it

15Rock

Product Builder / Senior Product Engineer - AI Products

Toronto, ON, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: May 3, 2027
Posting language: English
Posted: Nov 4, 2026

Original job description

Toronto (Financial District) · In office, five days a week · Full-time

The Product Builder owns a product problem from the first client conversation to working software in the client's hands. You find the problem worth solving, decide what to build, and build it with coding agents.

The agents write most of the code. You own the rest: the problem, the decisions, and whether the result is right.

About 15Rock

15Rock pairs top experts with custom AI agents and workflows to deliver institutional-grade research and analysis.

Our clients include large asset owners and some of the largest advisory firms in North America. We also work with fast-growing, complex companies on value creation, corporate strategy and M&A, and we help clients expand into new markets and industries.

Our products include TrendCap, our research and analysis platform, and Novilo, our platform for the full bid lifecycle.

Our work in numbers

Our agents and experts have analyzed about 3,000 companies and institutions across 23 industries.

2,000+ companies rebuilt in financial models, from P&Ls and margins to working capital and unit costs
4,500+ company-level evaluations across delivered strategies and models
US$650B in combined annual revenue across our deep-dive companies
US$20B in enterprise value identified in our value creation plans
US$5.6B in new revenue opportunities sized
US$4B+ in cash tied up in working capital, found in accounting footnotes
US$3.2B in annual EBITDA improvement sized across 46 operating companies
1,000+ firms mapped to 170+ defence supply chains, including suppliers that industry codes miss

Some of what we have found

Company details are left out or rounded to protect confidentiality.

On a drone assembly line, parts spent 99.8% of their lead time waiting. Our redesigned layout is modeled to roughly triple throughput.
We rebuilt a large North American telecom carrier's management structure from public data and sized more than US$400M in structural savings.
On a long-term naval support contract, more than C$100M in performance fees depended on fleet readiness. We traced the shortfall to slow parts-planning data, not a lack of technicians.
For a luxury carmaker, our model showed a planned flagship store would lose money every year on new-car margins alone. A seasonal location cut modeled occupancy costs by about 90%.
Across 66 Canadian hospital networks, we benchmarked 100 indicators per weighted patient case and sized about C$180M in savings from clinical supplies and surgical scheduling.

What you will do

Meet clients and users. Learn how they work today and where it breaks down.
Decide what to build and what to leave out. Write a short brief that people and agents can build from without guessing.
Build it end to end with coding agents: the interface, the API, the data and the AI workflow behind it.
Check the work before a client sees it. Read the code and test the outputs against the sources.
Ship it, watch how people use it, and improve it.
Turn what works into workflows we can reuse across clients and industries.

Problems you could take on

Each one comes from our current client work and roadmap.

From a study to a product. We map supply chains and value chains for clients, often hundreds of companies at a time. Make that a product clients can run and question on their own.
Always on. Most research is a snapshot. Build the layer that watches a company, a portfolio or a market and says what changed and why it matters.
Price with evidence, or abstain. Bid teams want to know what a contract is likely to be awarded at. Build tools that find comparable awards and give a price, or say plainly when the evidence is too thin.
Should-cost from the outside. Estimate what a product should cost to make, using public data and supplier evidence, with every assumption visible.

What we are looking for

You have shipped software that people use, and you can show it to us.
You use coding agents such as Claude Code or Cursor every day. You know where they go wrong, and you catch it.
You work across the stack: interface, back end and data.
You have taken LLM features past the demo stage, with evaluations that tell you when the output is wrong.
You have product judgment. You find the real problem and cut scope without being told to.
You write clearly. Your briefs and pull requests are short and easy to act on.
You can walk a senior client through your work and answer hard questions about it.

Useful, not required

Experience in finance, consulting, procurement or public-sector bids
Comfort reading financial statements and financial models
Data pipelines that pull from public sources such as company filings and procurement portals
Enough design sense to ship a clean interface without a designer

What this role is not

A product manager seat that writes specs for others to build
An engineering seat that waits for tickets
A prototype seat. What you build goes to clients.

Two things to know before you apply

This is an in-person job, five days a week in our Toronto office. Decisions here happen fast and face to face, and you will be part of them.

The work is checked closely. Clients, Partners, investors and executives use what you build to make decisions. When something is wrong, there is massive impact.

Compensation and benefits

Base salary
Equity under the company's equity incentive plan
Health and dental coverage
RRSP matching
AI tools without limits: frontier models and coding agents, no seat caps, no token budget to manage
A small team, so you are in the room for product and architecture decisions, and you hear what clients say about what you built

Applying

Apply through LinkedIn with your resume and a link to something you built and shipped. A short demo video is welcome. Then answer two questions in a few sentences each:

On that project, what did you decide not to build, and why?
Describe a time an AI tool gave you code that looked right and wasn't. How did you catch it?

No cover letter. You must be legally entitled to work in Canada.

This posting is for an existing vacancy. 15Rock uses AI-assisted tools to help organize, screen, and assess applications. People review the evidence and make all interview and hiring decisions.

15Rock welcomes applicants from different backgrounds and learning paths. If you need an accommodation during the hiring process, please tell us what would help.

Apply About employer

More about this job

Responsibilities

Discover client problems, decide what to build, and deliver end-to-end software using coding agents, including interfaces, APIs, data, and AI workflows. Validate code and outputs against sources, ship and improve products based on user feedback, and turn successful solutions into reusable workflows.

Requirements

Applicants should have shipped software used by real people, use coding agents regularly, work across the stack, and have taken LLM features beyond demos with evaluations that detect incorrect outputs. They should demonstrate product judgment, clear writing, and the ability to explain their work to senior clients; experience in finance, consulting, procurement, public-sector bids, financial models, or public-data pipelines is useful but not required.

Skills

Full-Stack Software Development
Coding Agents
Claude Code
Cursor
AI Product Development
Large Language Models
LLM Evaluation
Product Judgment
Client Discovery
Requirements Briefing
API Development
Data Pipelines
Financial Modeling
Source Verification
Software Testing
Client Communication

Benefits

Equity Incentive Plan
Health And Dental Coverage
RRSP Matching
Unlimited Access To AI Tools

Visa sponsorship

Not detected in the job text

Keywords

AI Products
Coding Agents
Claude Code
Cursor
Full-Stack Development
Product Engineering
Large Language Models
LLM Evaluation
AI Workflows
API Development
Data Pipelines
Public Data
Company Filings
Procurement Portals
Financial Statements
Financial Modeling
Supply Chain Mapping
Value Chain Analysis
Contract Bids
Should-Cost Estimation
Client Discovery
Product Scoping
Software Testing
Source Verification
Research And Analysis
Corporate Strategy
Mergers And Acquisitions
Institutional Research

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