Denis N.
AI Developer AI Engineer AI Agent Developer AI Ingeration AI Chatbot
7+ years in Software Engineering | 5-star client feedback ⭐️⭐️⭐️⭐️⭐️ Reported results: 84%+ less manual work · 71%+ faster lead qualification · 72%+ higher RAG accuracy Reported projects: 36+ AI Agent projects · 32+ AI Chatbots · 29+ AI Automation workflows · 24+ RAG systems · 33+ Voice AI solutions AI Developer | AI Engineer | AI Agents, Automation, LLM RAG & Full Stack AI SaaS I'm an AI Developer and AI Engineer turning complex business processes into production-ready AI software. Need an AI App Developer, AI Software Developer, Python Developer, Web Developer, or Full Stack Developer? I handle the architecture, integrations, testing, and deployment—not just a prototype. 🎯 BUILD AI PRODUCTS THAT SHIP As an AI Developer and AI Engineer, I build AI SaaS, AI websites, AI assistants, and custom applications. Projects range from AI Website Developer and Open AI Developer work to AI Prompt Engineer, AI Data Engineer, AI Engineer RAG NLP, and AI Prompt Engineering. AI Developers need more than prompts: I combine Artificial Intelligence, Machine Learning, Deep Learning, Natural Language Processing, Data Science, Data Analysis, Computer Vision, Software Architecture & Design, and Data Entry pipelines. I also collaborate with Data Scientist and Software Engineer teams. 🎯 AI AGENTS THAT TAKE ACTION As an AI Developer and AI Engineer, I've built 36+ AI Agent Development projects: AI Agent Builder, AI Agent Creator, Agentic AI Developer, AI Agent n8n, AI Agent RAG, AI Agent Automation, autonomous AI agents, and multi-agent systems. I use OpenAI API, Claude, LangChain, LangGraph, MCP, Python, and FastAPI for customer service agent, sales agent, and Business Development workflows. Tool calling, memory, human approvals, error recovery, and monitoring turn AI Agent SaaS into reliable operations. Also adaptable to AI Agent Crypto, Etsy Marketing, or Pinterest Marketing integrations when relevant. 🎯 AUTOMATE SALES, SUPPORT & OPERATIONS As an AI Developer and AI Engineer, I've delivered 29+ AI Automation systems: AI Automation Zapier, AI Automation Make, AI Automation n8n, AI Workflow Automation, Workflow Automation make . com, Make Automation, Airtable Automation, AI Lead Generation, Social Media Marketing Automation, and Marketing Automation. From sales follow-ups to reporting, CRM Automation and Email Automation, teams reported 84%+ less manual work. I serve as AI Integration Specialist and AI Integrator for AI API Integration, API Integration, AI Machine Learning, Airtable, HubSpot, Salesforce, GoHighLevel, Slack, Google Workspace, Microsoft 365, Google Analytics, Zapier, Integromat, OAuth, APIs, and webhooks. 🎯 LLM, OPENAI & DOCUMENT INTELLIGENCE As an AI Developer and AI Engineer, I build AI LLM, AI LLM Developer, Data Scientist LLM, LLM RAG, Agentic RAG, Enterprise RAG, and Document AI. My 24+ RAG solutions reported 72%+ higher response accuracy with retrieval tuning, reranking, source citations, Prompt Tuning, and LLMOps. I implement ChatGPT OpenAI, Python OpenAI, OpenAI API Developer, Azure OpenAI, OpenAI Whisper, GPT-3, Open API, LangChain, LlamaIndex, Qdrant, Pinecone, pgvector, PostgreSQL, and Vector Databases. I also work with AI Engineer RAG NLP, Hugging Face RAG Computational Linguistics, Rasa Chatbot, and Random Forest where needed. 🎯 CHATBOTS THAT CONVERT & SUPPORT As an AI Developer and AI Engineer, I've built 32+ AI Chatbots. Services: AI Chatbot Developer, Chatbot Developer, Chatbot Development, Open AI Chatbot, WhatsApp Chatbot, RAG Chatbot, LLM Chatbot, Voiceflow Chatbot, Chatbot SaaS, Facebook Chatbot, Instagram Chatbot, Rasa Chatbot, and GHL Chatbot. Conversational AI solutions connect knowledge bases, Botpress, ManyChat, Dialogflow, CRM, live chat, Chatbot Marketing, human handoff, and Deal Closer journeys—not generic responses. 🎯 VOICE AI FOR REAL CALLS As an AI Developer and AI Engineer, I've delivered 33+ AI Voice Agent systems: AI Voice Developer, AI Voice Chatbot, AI Voice Chatbot Clone, Voice AI Agent, AI Receptionist, Voice Bot, AI TTS, Speech-to-Text, Text-to-Speech, Phone Automation, Call Automation, bookings and qualification. Retell AI, Vapi, Twilio, ElevenLabs, Deepgram, OpenAI Realtime API, FreeSWITCH, Kamailio, and RingCentral enable 24/7 call handling; projects reported 71%+ faster lead qualification. This is interactive engineering, not Voice Over, Voice Talent, or Narrator work. 🎯 PYTHON & FULL STACK DELIVERY As an AI Developer and AI Engineer, I build with Python, JavaScript, React, Node.js, PHP, SQL, FastAPI, TypeScript, Docker, Amazon Web Services (AWS), PyTorch, TensorFlow, Neural Network, Artificial Neural Network, and scikit-learn. I work with Flutter, Dask, Analytics Engine, Python Data Analysis, Trading Python, Crypto Bot, and Java integrations when appropriate. My goal is secure, maintainable software that actually runs in production. Have a brief? Message me directly. We'll discuss the business goal, constraints, and a practical build plan.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $534
Billed in all: $37,905$38k
$134 in the last 6 months
Across 37 contracts
Earnings, last 30 days
Skill rankings: Top 23% in Neural Network
Ranked by MRR among everyone on Upwork with the skill.
- #86Artificial Neural Network320 freelancers · 🇺🇦 #14Top 27%🇺🇦#14 of 30
- #117Neural Network501 freelancers · 🇺🇦 #15Top 23%🇺🇦#15 of 42
- #445Software Architecture & Design1,465 freelancers · 🇺🇦 #57Top 30%🇺🇦#57 of 131
- #747Deep Learning2,743 freelancers · 🇺🇦 #37Top 27%🇺🇦#37 of 109
- #791Natural Language Processing2,688 freelancers · 🇺🇦 #39Top 29%🇺🇦#39 of 115
- #794Computer Vision2,498 freelancers · 🇺🇦 #45Top 32%🇺🇦#45 of 119
- #995Data Science3,842 freelancers · 🇺🇦 #36Top 26%🇺🇦#36 of 113
- #1,049AI Automation2,024 freelancers · 🇺🇦 #40Top 52%🇺🇦#40 of 71