Custom Full‑Stack, Bespoke Software, or AI Application – Choose Your Build

About this Gig

You pick the type of development you need – a production‑ready full‑stack website, a completely custom software solution from the ground up, or an AI‑powered chatbot/LLM application. I deliver a scalable, secure, and tailored system built specifically for your workflow. Choose one of the following: 1. Full Stack Development – Build a modern, production‑ready web application from scratch. Includes responsive frontend (React, Next.js, or TypeScript), backend API (Node.js, Express, Django, or FastAPI), database design (PostgreSQL, MySQL, or MongoDB), user authentication (JWT, OAuth) with role management, file uploads, email integration, third‑party APIs, and deployment assistance on Vercel, AWS, or your own server. 2. Custom Development – For problems off‑the‑shelf software cannot solve. I work with you to define, design, and develop a unique solution from the ground up. Includes requirements analysis and technical specification, backend services (Python, FastAPI, Django, or Spring Boot), desktop or web‑based interface based on your workflow, integration with your existing databases/APIs/hardware, automated testing, CI/CD setup, deployment, and ongoing maintenance/feature additions as needed. 3. AI‑powered Chatbot or LLM Applications – Integrate large language models into your workflow. Includes a custom chatbot with memory and personality (LangChain, RAG), document ingestion and retrieval‑augmented generation (PDF, Word, web pages), integration with OpenAI, Anthropic, or open‑source models (Llama, Mistral), speech‑to‑text and text‑to‑speech for voice interfaces, prompt routing and evaluation for consistent outputs, and API endpoints so your apps can talk to the AI.

Requirements

To begin work on your chosen system, I will need: 1. Selected system type – Full Stack Dev, Custom Dev, or AI Chatbot/LLM Application. 2. Core problem / goal – A brief description of what the system should do and who will use it. 3. User roles & permissions – List of user types (e.g., admin, customer, manager) and their access levels. 4. Key features & workflows – Must‑have functionality (e.g., login, dashboard, file upload, document Q&A, chatbot conversation flow). 5. Tech preferences (if any) – Preferred frontend framework, backend language, database, or AI model. 6. Integrations – Existing APIs, databases, hardware, or third‑party services to connect. 7. Data sources (for AI option) – Example documents, website URLs, or knowledge base content for the LLM. 8. Hosting & deployment – Target environment (your own server, AWS, Vercel, etc.) or need my assistance. Once provided, I will deliver a detailed project plan and timeline.

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