Experienced Full-Stack Developer Needed to Finalize and Stabilize SaaS Product – Neirom

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... (Budget: £20 - £250 GBP, Jobs: API Integration, Database Management, Full Stack Development, GitHub, OAuth, PostgreSQL, SaaS Development, Security Auditing, Shopify Development, Software Testing)