Stripe to Square Payment Integration Update

Looking for a Backend / Full-Stack Developer to Modify Payment Integration I have a live website partstop.net. The current developer is unavailable and refuses to update the payment method (Stripe to Square), so I am looking for an experienced engineer who can take over the task, review the existing codebase, and modify or replace the payment integration. Current Tech Stack: Frontend: Pure HTML (no website builders, no visual editors) Backend: Node.js + Express Database: MongoDB Scope of Work: Review the existing Stripe payment implementation Propose a stable and compliant alternative or rework the current integration Implement and test the new payment solution Square Ensure security, reliability, and scalability Requirements: Strong experience with Node.js / Express Hands-on experience integrating payment gateways (Stripe, Square, or alternatives) Ability to work with existing / legacy code Good understanding of payment security and PCI compliance Reliable, structured, and result-oriented Additional Notes: Existing production codebase This is not an MVP or a website builder project Long-term collaboration is possible for the right developer

ID do Projeto: 40129468