Full Stack Engineer – Remote (Mid‑Senior)

About the role

We are looking for a senior‑level Full Stack Engineer to take our multi‑tenant SaaS platform from demo to production. The product, built with React and Supabase, supports mobile catering businesses with quoting and booking management. You will work remotely with the founder team to harden the backend, integrate secure payments, and ensure strict tenant isolation.

Key responsibilities

• Audit and enhance backend security, focusing on PostgreSQL row‑level security for tenant isolation.
• Integrate Stripe Connect for subscription billing, transaction fee management, and payout processing.
• Ensure compliance with data‑privacy and security standards relevant to SaaS platforms.
• Review, refactor, and optimise the existing codebase, especially AI‑generated sections.
• Provide technical input on architecture, scalability, and maintainability.
• Prepare documentation and hand‑over materials for ongoing maintenance.

Required profile

• Proven experience launching multi‑tenant SaaS platforms with Stripe Connect integration.
• Strong understanding of backend security, row‑level security, and data‑privacy compliance.
• Ability to audit, refactor, and optimise existing codebases.
• Excellent problem‑solving skills and attention to detail.
• Effective communication for technical documentation and stakeholder updates.

Required skills

• React
• Supabase
• PostgreSQL
• Stripe Connect
• Backend security practices
• Payment processing and subscription billing