You will get AI Engineer | AI Chatbot Developer | AI Voice Developer | AI Agent | AI

Viktor A.Status: Offline
Viktor A. Viktor A.
5.0
Top Rated

Let a pro handle the details

Buy Machine Learning services from Viktor, priced and ready to go.
Viktor A.Status: Offline
Viktor A. Viktor A.
5.0
Top Rated

Let a pro handle the details

Buy Machine Learning services from Viktor, priced and ready to go.

Project details

I provide expert AI consultation to help you design, build, and optimize AI chatbots, voice agents, and automation systems for your business. Whether you're starting from scratch or improving an existing solution, I’ll guide you with clear, practical steps tailored to your goals.

During the session, we will review your idea or current system, identify gaps, and define the best architecture and tools to move forward.

You can get help with:
✅ AI chatbot and voice agent architecture (ChatGPT, Voice AI)
✅ Automation workflows for support, sales, and lead generation
✅ Integration with CRM systems, APIs, and messaging platforms
✅ Conversation design, prompts, and user flow optimization
✅ Choosing the right AI stack (tools, models, frameworks)
✅ Performance, scalability, and response optimization
✅ Debugging AI behavior and improving accuracy
✅ General AI development strategy and best practices

I focus on actionable insights—not just theory—so you leave with a clear implementation plan. Perfect for startups, founders, and businesses looking to scale with AI, automate processes, and build efficient, production-ready AI systems.
Machine Learning Tools
Apache Spark MLlib, ChatGPT, Cloudera, GitHub Copilot, Google Sheets, GPT-3, Kubeflow, OpenCV, Python, Python Scikit-Learn, SQL, Vertex AI

What's included $50

These options are included with the project scope.

$50
  • Delivery Time 15 days
  • Number of Revisions 0
5.0
21 reviews
100% Complete
1% Complete
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CB

Chris B.
5.00
Jun 26, 2026
Title: AI Developer / AI Chatbot - Membership Platform Phase 2: AI Q&A Core & Voice-Matched RAG Again, Not a problem. On point, understands and always within timeline!

CB

Chris B.
5.00
May 26, 2026
AI Developer / AI Chatbot — Membership Platform Phase 1: Foundation & Sales Page Viktor is always looking forward on the job. Sees issues and asks for direction before things get completed to make the finished work much better.

CB

Chris B.
5.00
May 9, 2026
AI-powered membership platform build — Circle + Claude API + Stripe + Pinecone Viktor did a test build for an AI system we are building. Built it, stayed on focus and finished a day ahead of needed date. Hiring again shortly!

MP

Mihaela P.
5.00
Feb 20, 2026
Backend engineer is needed - Python, Postgresql, Docker, EKS Victor has a deep knowledge of backend architecture, it was a pleasure working with him

CT

Carlos T.
5.00
Jan 24, 2026
Senior Backend Engineer (Twilio + Voice AI) for Restaurant Phone Assistant
Viktor A.Status: Offline

About Viktor

Viktor A.Status: Offline
AI Developer AI Agent AI Chatbot AI Voice Agent AI Voice Developer
100% Job Success
5.0  (21 reviews)
Baia Mare, Romania - 8:52 am local time
Most voice AI demos break on the first real call. Mine don't. As an experienced AI developer and AI Engineer, I build systems that handle 50+ calls/night at $0.10 each — where customers genuinely can't tell it's not a person.

📩 Send your project brief - I'll reply within 2 hours with a concrete action plan.

🏆 Why work with me?
🥇 Technical Reviewer for Manning Publications (Efficient AI in Practice & Enterprise RAG).
🥇 Winner of the Enterprise RAG Challenge.
🥇 Top-Rated AI Developer on Upwork with a focus on ROI.
🥇 Expert LLM Engineer specialising in hallucination-free RAG systems.

Core Specialisations

❇️ AI Voice & Chatbot Development

As a specialised AI developer, I build full voice pipelines: Deepgram/Whisper → GPT-4/Claude → ElevenLabs.

Expert in chatbot development and conversational business logic for WhatsApp, Telegram, and Web.

I work as a dedicated chatbot developer integrating systems with ManyChat, Botpress, and OpenAI API.

Modern chatbot development setups to act as a 24/7 sales engine and support lead.

❇️ AI Agent Architecture & Autonomous Workflows

I am an AI developer who excels in AI Agent architecture using LangGraph and CrewAI.

Multi-AI Agent systems for lead generation, deal tracking, and complex CRM automation.

Autonomous AI Agent workflows connected to Slack, Shopify, and enterprise backends.

Every AI Agent I build is designed to scale and optimise business processes without increasing headcount.

⚙️ LLM Engineering & Advanced RAG

As a senior LLM Engineer, I solve the "hallucination problem" for modern enterprises.

Advanced LLM pipelines designed with a focus on Vector Databases (Pinecone, Weaviate, Milvus).

Custom fine-tuning, prompt engineering, and production-ready LLM infrastructure.

🛠️ FULL-STACK TECH STACK & DATA SCIENCE

As an AI Developer: Python, FastAPI, Docker, AWS, Asyncio.

As a Python Developer: LangChain, LlamaIndex, LangGraph, PyTorch.

As a Web Developer: Frontend frameworks, responsive platforms, and API integration.

As a Data Scientist: Advanced data processing, analytics pipelines, and model evaluation.

❇️ WHAT YOU GET WITH EVERY PROJECT

When you hire me as your AI developer, you get production-ready, scalable, and cleanly documented code. As a professional Python Developer, I ensure your system is robust, while my background as a data scientist guarantees that your data is processed with maximum analytical precision. Whether it's complex chatbot development for support or an AI Agent workflow for outbound sales, I handle the full CI/CD deployment on AWS.

As a skilled web developer and agentic ai developer, I ensure your user interfaces are as smooth as the underlying AI models. By combining the precision of a data analyst with the agility of a Python full stack developer, I create applications that are data-driven. Every Python full stack developer setup I deploy is fully integrated with analytical tools, meaning a data analyst or data scientist on your team can easily track performance.

🌐 EXPERTISE ACROSS THE spectrum

Whether you need a high-performance chatbot developer to automate customer service or a senior LLM expert to architect complex RAG systems, I deliver code that scales:

For Enterprises: I act as a Lead Python Developer and machine learning consultant, building autonomous workflows. My skills as a data scientist allow me to extract valuable insights from your historical enterprise data.

For Startups: As a python full stack developer and agentic AI developer, I focus on rapid deployment of AI Bot solutions. I leverage modern frontend and backend practices as a capable web developer.

For Deep Tech & Analytics: My work as a data scientist and machine learning specialist ensures your systems are backed by solid statistics. From predictive modeling as a data analyst to implementing heavy machine learning algorithms, I cover all your data needs.

From simple Python Developer scripting to high-level architecture, my goal is to provide Enterprise AI solutions that offer a clear ROI. If you are looking for a Senior Python Developer who understands both the business logic and the technical architecture, let’s connect.

As a web developer and chatbot developer, I create complete digital ecosystems. My machine learning pipelines and python full stack developer practices ensure your software is future-proof, while my experience as a web developer guarantees flawless deployment. This unique blend of a python full stack developer skillset makes me the ideal partner for your next project, seamlessly combining the strengths of a data analyst, a machine learning engineer, and a certified data analyst.

👉 Send me your project brief — I’ll get back to you within 2 hours with a free AI visibility audit.

Last update: 29.06.2026

Steps for completing your project

After purchasing the project, send requirements so Viktor can start the project.

Delivery time starts when Viktor receives requirements from you.

Viktor works on your project following the steps below.

Revisions may occur after the delivery date.

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Review the work, release payment, and leave feedback to Viktor.