Senior Full-Stack SaaS Development Team / Technical Lead – AI-Powered Business Platform

I'm looking ONLY for TOP-RATED freelancers or agencies only with a good work history on Upwork. 0 history and earning will not be hired. Uptimus Smart Technologies Ltd is developing Grunt Business, a scalable multi-tenant SaaS and business-services platform. This is not a standard website or simple dashboard project. We are looking for an experienced senior software architect/full-stack developer, preferably supported by a development team, capable of designing and building a secure production-grade platform. All requirements attached, Please reply in your proposal with "JOB AND ATTACHED INFO FULLY SEEN" to understand that you checked the attached requirements and fully aware of the project.