Senior Full-Stack AI Engineer

Senior Full-Stack AI Engineer Location: Brazil (Remote) About Sphise Technologies Sphise Technologies is a global outsourcing and talent solutions company, partnering with high-growth businesses to build strong, high-impact teams across finance, technology, and operations. Our trusted high-growth technology partner is building a production AI platform that transforms disconnected data into measurable business growth. With customers already onboarding and the platform live in production, they are hiring a Senior Full-Stack AI Engineer to scale their next-generation AI systems. Position Overview: We are seeking a Senior Full-Stack AI Engineer to own the intersection of agentic AI and modern web development . You will build the intelligent backend powering a multi-agent system and the interactive frontend delivering real-time AI experiences . This role requires strong architectural judgment — the platform runs on Vercel , and decisions around caching, bandwidth, cost efficiency, and produ...