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Senior Software Developer

Job in St. Catharines, St Catharines, Ontario, Canada
Listing for: Rentsync
Full Time position
Listed on 2026-07-30
Job specializations:
  • Software Development
    Backend Developer, AI Engineer (Applied/Software)
Job Description & How to Apply Below
Position: Senior Software Developer at Rentsync
Location: St. Catharines

Transform rental housing technology as a Senior Software Developer s hybrid/remote role focuses on building AI-driven software solutions for the property management sector.

Rentsync is on the hunt for a senior engineer eager to leverage AI tools in developing production systems. This position requires strong backend development skills and familiarity with modern frameworks like Type Script and Node. Ideal candidates will design and ship LLM-powered applications that elevate user experience in the proptech industry.

Key Responsibilities:

• Design and maintain scalable web applications

• Write clean, well-documented, and tested code

• Participate in architectural discussions and design decisions

• Integrate APIs and optimize database queries

• Monitor and resolve production issues promptly

Requirements:

• 6+ years of production software experience

Hands-on experience with LLMs for software deployment

• Strong backend and frontend framework knowledge

• Proficiency with Git and collaborative workflows

• Excellent communication and problem-solving skills

Become a driving force behind AI products that will define the future of rental housing technology at Rentsync.
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Position Requirements
10+ Years work experience
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