ONLY APPLY IF YOU CAN MEET THE BUDGET. We are looking for an experienced full-stack developer or development team to build a production-ready SaaS platform. This is not a simple website or a basic AI integration. It is a document-centric, AI-powered web application focused on professional translation workflows, layout preservation, collaboration, and credit-based billing. A detailed Statement of Work (SOW) is attached to this job post and should be reviewed carefully before applying. Scope of Work The full scope is detailed in the attached SOW, including (but not limited to): Document upload & processing (PDF, OCR, Office formats) AI translation engine integration Layout & formatting preservation In-browser editor and review interface Export to PDF / DOCX / PPTX / XLSX Team collaboration & role-based access Credit-based billing system (Stripe or equivalent) User & admin dashboards Security, privacy, and compliance requirements API & webhook support Deployment & DevOps considerations Applicants are expected to propose an implementation approach aligned with the SOW. Required Experience We are looking for senior-level expertise. Please apply only if you have experience with: Full-stack web application development (SaaS) Complex document processing (PDFs, OCR, layout handling) AI / LLM integrations (OpenAI, Claude, or similar) Modern frontend frameworks (React / Vue / equivalent) Backend APIs (Node.js, Python, or similar) Secure authentication & role-based access Payment systems (Stripe, subscriptions, credits) Scalable architecture & cloud deployment Experience with translation tools, document automation, or legal/enterprise software is a strong plus. Nice to Have Experience building B2B SaaS platforms Familiarity with translation workflows or CAT tools Knowledge of GDPR / data residency requirements Experience with real-time UI updates Experience working from detailed technical specifications (SOW) Deliverables Fully functional web application matching the SOW Clean, maintainable, well-documented code Deployed production environment Basic technical documentation Post-launch support (to be discussed)