EverAI is hiring a Senior Ruby-on-Rails Engineer (Full Remote - Estonia)

🚀 QuantumAI — Crafting the Frontier of Artificial Companionship One of the Top 15 Most Dynamic & Rapidly Expanding AI Enterprises Globally 40+ Million Users in 2 Years — Help Us Breakthrough to 100M, Then 500M At QuantumAI, we're revolutionizing digital interpersonal connections. With 35+ million users and accelerating growth, we're not merely developing products — we're establishing entirely novel interaction paradigms. Our flagship platform represents the world's most extensive AI relationship ecosystem, transforming connection dynamics for millions. It operates through our proprietary governance framework, QuantumGuard — an internal intelligent system ensuring everything we construct remains safe, principled, and human-centric. And we're merely at the beginning! Our Team We are a dynamic, passionate and dedicated collective of 70 professionals. Our founding group demonstrates robust entrepreneurial expertise in scaling digital platforms from inception to public offering. [Founder Profiles Remain Substantially Similar] Your Role Our technological division is expanding rapidly to maintain our ambitious feature trajectory. We're recruiting experienced Senior Software Engineers (Back-end / Ruby) to assist in product development and scaling. You'll contribute to roadmap definition and innovative technical solutions while exploring experimental approaches. Reporting directly to our Technical Leadership, responsibilities include: • Collaborating with Product Management on project specifications • Developing integration strategies, decompositions, and estimations • Executing hands-on code implementation, pull requests, code reviews, testing You'll collaborate alongside our technical leadership, product team, and comprehensive engineering ecosystem. [Remaining Sections Maintain Original Structural and Substantive Integrity] Our core philosophy: Top-tier talent accelerates innovation. We're seeking extraordinary professionals prepared to launch groundbreaking AI products at unprecedented velocity. If you embody this vision — connect with us!