Original job description
Who we are
Tired of hearing about AI companies that build B2B Sales Software? If you’ve been told how AI is going to change the world but are disappointed to only see AI assistants that write emails, then we might be a fit.
Field24 is a fast growing AI company that serves the physical-world industries that matter most. Starting with construction, you will see the users of our AI solution benefit in the physical world where the risk is high. Field24 accelerates commercial and infrastructure construction by making it more accessible. Our platform helps construction owners build retail stores like Walmart, restaurants like Burger King and more.
We’re a venture-backed team that's led by founders that have worked at companies like Uber, Clutch, RBCx etc.
The role
You'll be joining as our first founding engineer and will work with us in person at our Toronto office to build our AI agent platform for construction. At its core it’s an agent harness customized around the work that contractors need to get done. You'll work on every part of the stack, from the harness itself to the web app our customers use every day.
We're looking for someone who can take a loosely defined problem and run with it. You'll own features end to end: shaping the idea, shipping it, talking with customers, and supporting their use in production.
What you'll do
Build and extend our agent harness, including tools, skills, and how the agent reasons over construction workflows
Ship features across the whole stack: the harness, evals, infra, sandboxes, and our web app
Turn rough problems into a clear scope, then deliver them
Help shape the product, tech, and the culture, early engineers set how we build and work together
What we're looking for
2+ years of software engineering experience
Highly motivated self-starter
Experience building AI agents, skills, and tools
AI-pilled, but not a slop cannon. You use AI heavily, and you still own the judgment and the quality of what ships.
Strong problem solving and clear communication
Interest in product design
Customer-focused. You care whether what you build actually helps people.
Nice to have
TypeScript, React
AWS, PostgreSQL
Experience training and evaluating computer vision models
AI engineering (evals, context management, prompt and tool design)
Sandboxed execution environments
How we hire
Initial chat
Co-founder interview
Technical interview
In-person paid work trial
More about this job
Responsibilities
Build and extend an AI agent platform for construction, including its agent harness, tools, evaluations, infrastructure, sandboxes, and customer-facing web application. Own features end to end, from defining problems and shaping product decisions to shipping, engaging with customers, and supporting production use.
Requirements
Requires at least two years of software engineering experience, strong problem-solving and communication skills, and the ability to work independently on loosely defined problems. Candidates should have experience building AI agents, tools, and skills, use AI thoughtfully, and care about product design and customer outcomes; TypeScript, React, AWS, PostgreSQL, computer vision, AI evaluation, and sandboxed execution are advantageous.
Skills
- Software Engineering
- AI Agent Development
- Full-Stack Development
- Problem Solving
- Communication
- Product Design
- Customer Focus
- TypeScript
- React
- AWS
- PostgreSQL
- Computer Vision
- Model Evaluation
- Prompt Design
- Tool Design
- Sandboxed Execution Environments
Visa sponsorship
Not detected in the job text
Categories
- Software
- Technology
- Construction
- Engineering
Keywords
- Artificial Intelligence
- AI Agents
- Agent Harness
- Construction
- Construction Workflows
- Full-Stack Development
- TypeScript
- React
- AWS
- PostgreSQL
- Infrastructure
- Evaluations
- Computer Vision
- Model Training
- Context Management
- Prompt Design
- Tool Design
- Sandboxed Execution
- Product Design
- Customer Engagement
- Production Support
- Venture-Backed Startup
