Senior Software Developer
Location
st. catharines, on
Job Type
Full-time
Category
Other-General
Posted
June 27, 2026
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...
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...