Freelance Backend Developer

Posted July 20, 2026

About this opportunity

Opportunity Overview

The company is looking for a skilled Freelance Senior Backend Developer to work on a live PropTech SaaS application. This application has a Supabase/PostgreSQL backend and a React frontend, and was built using Lovable AI-assisted development. The role involves conducting a security audit and refining the multi-tenant role architecture, as well as taking over ongoing feature development. Juliana Torrisi is the contact person for this role and can answer any questions. The role requires the developer to conduct a thorough security audit of Row Level Security policies and refine the multi-tenant role architecture. The developer will also review and harden payment commission logic within the existing architecture. The codebase is currently AI-generated via Lovable, so the developer should be comfortable reading, auditing, and extending existing code. The company is looking for a developer with proven experience in Supabase and PostgreSQL, especially Row Level Security in production. The developer should also have a strong understanding of multi-tenant architecture and role-based access control.

Benefits

Opportunity to work on a live PropTech SaaS application
Chance to conduct a security audit and refine the multi-tenant role architecture
Take ownership of the codebase going forward

Eligibility

Proven experience with Supabase and PostgreSQL, especially Row Level Security in production
Strong understanding of multi-tenant architecture and role-based access control
Comfortable auditing and extending an existing codebase (including AI-generated code)
Nice to have: familiarity with React, experience in PropTech, real estate, or marketplace/SaaS commission models

How to Apply

Review the role overview and required skills to ensure you are a good fit for the position.
Prepare any questions you may have for Juliana Torrisi, the contact person for this role.
Click the Apply button below to submit your application.

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