Senior Software Developer

Rentsync · st. catharines, on, Canada

Location
st. catharines
Job Type
Full-time
Posted
June 27, 2026

Job Description

About Rentsync: Rentsync is an award-winning, high-growth organization that provides

high quality websites, marketing services, and software solutions

to the

rental and property management industry

throughout Canada and the United States.

About the Role: We’re building the AI products that will define the next decade of rental housing technology. We’re looking for a senior engineer who doesn’t just use AI tools, but ships production systems on top of them.

What you’ll build:

Software features and products in the rental housing / proptech landscape

Production LLM-powered features and agents

Eval harnesses, prompt versioning, and observability

Integrations via MCP and APIs

Stack you may work with: This is a hybrid/remote position, all qualified candidates are encouraged to apply, however preferential consideration may be given to individuals who can report to one of Rentsync’s regional offi...

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