Senior Full-Stack AI Engineer – Web & Mobile (Long-Term Agency Partner)

UpworkCYNot specifiedexpertScore: 51
Full-Stack DevelopmentReactTypeScriptWeb DevelopmentMobile App Development
White-Label AI Agency Partnership Opportunity LONG-TERM COLLABORATION. MULTIPLE PROJECTS. I am building a white-label AI agency. I need a strong full-stack AI developer who wants ongoing collaboration, not a one-off gig. Who knows how to develop mobile apps. Also expert in RAG systems and everything regards to AI. If you are looking for continuous AI SaaS projects and long-term growth, keep reading. PROJECT CONTEXT I have already built a production-ready Legal AI web application with a full RAG architecture. This is not an idea. It is deployed and working. Current stack: Frontend React 19 + TypeScript Vite Zustand Backend FastAPI (Python) Production deployed Database PostgreSQL 17 pgvector Row-Level Security for strict multi-tenant isolation AI & Retrieval Hybrid search (vector + keyword) Reciprocal Rank Fusion Cohere reranking Voyage AI legal embeddings NVIDIA NIM (Qwen 235B) for generation Multi-layer legal-aware chunking Query classification and cost optimization The architecture is complete. The backend is stable. The RAG pipeline is working in production. Now I need to expand this into a mobile app. YOUR ROLE Build the mobile app version (iOS and Android) Connect it properly to the existing backend APIs Design clean scalable mobile architecture Implement secure authentication Prepare and publish to App Store and Google Play Advise on mobile performance and scalability This is not building AI from scratch. This is product expansion into mobile. Advice on what method to use for mobile app deployment. Also critisize my build (with a honest opinion about tech stack and architecture) IDEAL PROFILE Senior-level full-stack developer Has built and published real mobile apps Understands API integration and SaaS architecture Has worked on AI-powered apps before Comfortable with authentication, subscriptions, and multi-tenant systems Can work independently and make architecture decisions Tech stack for mobile is open to recommendation (React Native, Flutter, or native). You must justify your choice. ABOUT ME I will act as: Project manager Product strategist Requirements gatherer Marketing lead My expertise is in AI consulting, product positioning, and scaling AI apps. I will provide: Clear documentation Feature breakdowns UX direction Monetization strategy Scaling roadmap I am not technical at code level, but I deeply understand AI architecture and product structure. WHITE-LABEL AGENCY OPPORTUNITY This is important. I am building an AI agency that will deliver: AI SaaS builds RAG systems Automation tools White-label mobile and web apps The right developer will receive: Ongoing client projects Recurring builds Long-term collaboration Possible revenue participation If you want stability and growth, this is for you. If you want a quick task and disappear, this is not for you. COMPENSATION Paid mobile app build Milestone-based payments Future recurring projects Potential revenue participation for strategic partner APPLICATION REQUIREMENTS To apply, record a Loom video where you: Show projects you have done Explain your mobile development experience Advice on what method to use for mobile app deployment. Also critisize my web app build (with a honest opinion about tech stack and architecture) Describe your preferred mobile stack and why Also what tech stack you would suggest for web applications in general (For outsourcing white label purposes) Do you have any case studies, also project portfolio (please additionally attach ) Text-only proposals will be ignored. Serious builders only. Or even team of serious builders
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Spent: $1,407.91Rating: 5.0Verified