Experienced Full-Stack Developer Needed to Finalize and Stabilize SaaS Product – Neirom
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About this role
Software Testing, PostgreSQL, OAuth, Full Stack Development, GitHub, Shopify Development, Database Management, API Integration, Security Auditing, SaaS Development · I’m looking for an experienced full-stack developer to help me finish and professionally stabilize an existing SaaS product called Neirom.
Neirom is already largely built and live. This is not a project starting from zero, and I do not want a complete rebuild. I need someone who can review the existing codebase, understand what is already working, fix the remaining problems, improve performance and reliability, and bring the product to a professional production-ready standard.
Current Stack / Integrations Include: - React / TypeScript - Supabase / PostgreSQL - Lovable - Anthropic AI API - Paddle payments - Resend email - Shopify OAuth, product sync, and webhooks - Etsy OAuth/API integration - GitHub What I Need: 1. Full technical audit of the existing application. 2. Fix bugs and broken flows. 3. Improve speed, stability, responsiveness, and code quality where necessary. 4. Review authentication, database permissions, and security. 5. Test signup/login, plans, AI analysis, and billing end-to-end. 6. Finish and test the Shopify integration for production use. 7. Review the Etsy API implementation and ensure compliance with Etsy’s current API requirements. 8. Help prepare the app