You will get Full Stack AI-Powered Application Development | LLM | Generative AI
Top Rated
Project details
You will get a state-of-the-art Full Stack AI-Powered Application. With extensive experience in AI integration and full stack development, I specialize in creating robust, scalable, and user-friendly applications tailored to your unique needs. Here’s what you will gain:
• Increased Efficiency: Automate tasks, save time, and reduce costs.
• Custom Integration: Seamless fit with your existing infrastructure.
• User-Friendly Interfaces: Intuitive designs for smooth user experiences.
• Competitive Advantage: Stay ahead with cutting-edge AI technologies.
• Cost Savings: Significant reductions through improved efficiency.
AI Expert | Generative AI | GPT-4 | Langchain: Over 30 AI apps developed, top-rated with 100% job success.
• LLMs: Expertise in OpenAI models (GPT-4) and open-source models (Mistral, Llama 3).
• AI Skills: Langchain, prompt engineering, vector databases (Pinecone, Qdrant), AI agents (AutoGPT, Autogen).
• Deployment: Azure, Docker, AWS, web apps, chatbot platforms.
• Generative images (DALL-E, MidJourney).
• Text-to-voice (Eleven Labs / Tortoise TTS | OpenAI TTS).
• Voice-to-text (OpenAI Whisper, Assembly AI).
• Increased Efficiency: Automate tasks, save time, and reduce costs.
• Custom Integration: Seamless fit with your existing infrastructure.
• User-Friendly Interfaces: Intuitive designs for smooth user experiences.
• Competitive Advantage: Stay ahead with cutting-edge AI technologies.
• Cost Savings: Significant reductions through improved efficiency.
AI Expert | Generative AI | GPT-4 | Langchain: Over 30 AI apps developed, top-rated with 100% job success.
• LLMs: Expertise in OpenAI models (GPT-4) and open-source models (Mistral, Llama 3).
• AI Skills: Langchain, prompt engineering, vector databases (Pinecone, Qdrant), AI agents (AutoGPT, Autogen).
• Deployment: Azure, Docker, AWS, web apps, chatbot platforms.
• Generative images (DALL-E, MidJourney).
• Text-to-voice (Eleven Labs / Tortoise TTS | OpenAI TTS).
• Voice-to-text (OpenAI Whisper, Assembly AI).
Programming Languages
HTML & CSS, JavaScript, PythonCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$5,000
|
Standard
$10,000
|
Advanced
$20,000
|
|---|---|---|---|
| Delivery Time | 25 days | 50 days | 70 days |
Number of Revisions | 2 | 5 | Unlimited |
Number of Pages | 5 | 10 | 20 |
Design Customization | - | ||
Content Upload | |||
Responsive Design | - | ||
Source Code |
Optional add-ons
You can add these on the next page.
Additional Revision
+$500Frequently asked questions
25 reviews
(23)
(1)
(0)
(1)
(0)
This project doesn't have any reviews.
CF
Celeste F.
Aug 11, 2026
MCP Experts with Upwork Client Experience Needed for Beta Testing
GM
Gina M.
May 13, 2026
30 minute consultation
Great consultation on plan for agentic ai workflow thanks!!
NE
Nicholas E.
Mar 17, 2026
30 minute consultation
Ygor is great. He helped him with some questions that I had on Claude co-work, which helped me figure out some issues. I would recommend them to others in the future.
SC
Steve C.
Nov 20, 2025
Learn RAG and LangChain through Hands-On Projects
EN
Espen N.
Mar 24, 2025
Langflow Agents Flows
Ygor and John have deep knowledge with Langchain, Langflow and Langgraph and was of great help to get our AI-project off the ground. We would use them again on other projects or when creating more complex agents.
About Ygor
AI Engineer | ChatGPT Work, Claude Code, RAG, MCP, Hermes
100%
Job Success
Joao Pessoa, Brazil - 6:07 am local time
+5 years AI experience, specialized in 𝐀𝐠𝐞𝐧𝐭𝐢𝐜 𝐀𝐈 𝐬𝐲𝐬𝐭𝐞𝐦𝐬 where AI answer, queries databases, manages CRM records, runs API calls, automates workflows end-to-end.
🚀 𝐖𝐡𝐚𝐭 𝐈 𝐁𝐮𝐢𝐥𝐝
🧠 AI SaaS MVPs — Production Next.js + Claude + Stripe apps shipped in 4 weeks
🤖 Multi-Agent Systems — LangGraph + Claude pipelines, $65K+ proven in production
🏢 Enterprise RAG — Context-aware engines across Notion, Slack, SQL & Drive (10K+ docs)
📞 AI Phone Agents — Retell + Vapi + ElevenLabs for sales, support, appointment booking
🔌 MCP Servers — Custom Anthropic-spec servers exposing your data to Claude Code, Cursor, Desktop
⚙️ n8n + Claude Workflows — End-to-end automations with CRM, email, voice, web scraping
🛒 Multi-Channel Ops — Telegram, Shopify + Square + Wholesale unified in Google Sheets / QuickBooks
🛠️ 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐞𝐝 𝐈𝐧
● Claude Ecosystem — Claude Code, Cowork, MCP, Skills, Plugins, Agent SDK, OpenClawn (self-hosted)
● Voice AI Agents — Retell, Vapi, Bland, Synthflow, ElevenLabs, Deepgram, Whisper
● AI Systems — RAG, GraphRAG, SQL Agents, Multi-Agent Systems, Computer Use, Browser Automation
● Frameworks — LangChain, LangGraph, CrewAI, Pydantic AI, OpenAI SDK, Claude Code, Deep Agents
💻 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐒𝐭𝐚𝐜𝐤
● AI & LLMs — Anthropic Claude · OpenAI · Gemini · DeepSeek · Llama / Ollama (local)
● Orchestration — LangChain · LangGraph · CrewAI · Pydantic AI · MCP
● Vector & Data — Qdrant · Pinecone · ChromaDB · Supabase · PostgreSQL · pgvector
● Backend — Python · FastAPI · Node.js · TypeScript · Docker · PostgreSQL
● Frontend — Next.js 14 · React · Tailwind · Vercel AI SDK · shadcn/ui
● Automation — n8n · Claude Code · Webhooks · REST APIs · Openclaw
📈 𝐏𝐫𝐨𝐨𝐟 𝐨𝐟 𝐖𝐨𝐫𝐤
• PagBank (Brazil's largest fintech) — Voice + Chat Generative AI in production
• ChatADV — AI for 100,000+ lawyers, thousands of documents
• $65K+ SQL Agent platform — 2+ years in production, no data incidents
• Langflow (acquired by Datastax & IBM): AI Engineer & Mentor
• Multi-Channel CPG Ops (hot sauce brand) — Shopify + Square + Wholesale
𝐇𝐨𝐰 𝐈 𝐰𝐨𝐫𝐤
1. 30-min scoping call — I return an architecture sketch + ballpark within 24h
2. Prototype in days/weeks with weekly demos in a shared workroom
3. Production hardening — safety rails, observability, audit logging, documentation
4. Handoff or optional maintenance retainer
⚡ Shoot me a message and let's scope your AI project — first reply within 2h.
Steps for completing your project
After purchasing the project, send requirements so Ygor can start the project.
Delivery time starts when Ygor receives requirements from you.
Ygor works on your project following the steps below.
Revisions may occur after the delivery date.
Initial Consultation and Planning
Discuss project objectives and scope | Develop a strategic plan and timeline | Define milestones and deliverables
Development
AI integration and backend development Frontend development and UI/UX design Implement features and functionalities