You will get AI Voice Agent for Appointment Scheduling and Calls | AI Voice Agent
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Project details
As an AI Developer, I build automated HR screening systems that conduct first-round candidate interviews via AI Voice Developer phone calls. My AI Developer solutions use OpenAI for intelligent question generation and candidate evaluation based on job requirements. As an AI Voice Developer, I create natural interview conversations that assess skills, experience, and culture fit at scale. Every AI Developer project includes AI Voice Developer adaptive questioning, response scoring, and automated shortlist reports that reduce hiring time by 60% while screening 10x more candidates.
Includes: AI Developer screening backend, AI Voice Developer interview flows, candidate scoring, ATS integration, shortlist reports, analytics dashboard, and deployment.
Includes: AI Developer screening backend, AI Voice Developer interview flows, candidate scoring, ATS integration, shortlist reports, analytics dashboard, and deployment.
AI Algorithms
Deep Belief Network, Large Language Model, Linear Discriminant Analysis, Multimodal Large Language Model, Regression AnalysisAI Applications
AI Chatbot, AI Content Creation, AI Mobile App Development, AI Text-to-Image, AI Text-to-Speech, Conversational AI, Image Processing, Image Recognition, Image-to-Image Translation, Machine TranslationAI Development Language
PythonAI Tools
Azure OpenAI, GitHub CopilotAI Models
ChatGPT, GPT-3, WhisperWhat's included
| Service Tiers |
Starter
$50
|
Standard
$10,000
|
Advanced
$20,000
|
|---|---|---|---|
| Delivery Time | 5 days | 15 days | 30 days |
AI Model Integration | |||
Batch Normalization | - | - | - |
Database Integration | - | ||
Detailed Code Comments | - | - | - |
Image Upscaling | - | - | - |
MLOps | - | ||
Model Deployment | - | - | - |
Model Documentation | - | ||
Model Monitoring | - | ||
Model Testing & Optimization | - | - | - |
Model Tuning | - | - | |
Natural Language Processing | |||
NLP Tokenization | - | - | - |
Pre-Training | - | - | - |
Prompt Engineering | - | - | |
Setup File | - | - | - |
Source Code | - | - | - |
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CB
Chris B.
Aug 12, 2026
Title: AI Developer / AI Chatbot - Membership Platform Phase 2: AI Q&A Core & Voice-Matched RAG
I've used Viktor multipole times and always gets the needed tasks and projects done on-time and with no issues. Always there to help and take the extra steps to get everything done and within my needs. I am ussually very busy but Viktor has when needed brought me back up to speed on our current project. Always considerate and appreciative of time.
CB
Chris B.
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.
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.
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.
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
About Viktor
AI Developer AI Voice Developer AI Chatbot AI Agent AI Developer RAG
100%
Job Success
Baia Mare, Romania - 8:50 am local time
========================== I'M HUMAN, NOT CHATGPT!!! =========================== ==
🏆 Why work with me? 🥇 AI Expert with a Human Approach🥇 Manning Publications Technical Reviewer (Efficient AI in Practice & Enterprise RAG) 🥇 EU Commission AI Expert.
Most voice AI demos break on the first real call. Mine don't. As an AI Developer, AI Voice Developer and AI Agent Developer, I ship systems handling 500+ concurrent calls at $0.09 each with 91% completion — customers genuinely can't tell it's not a person. Hire an AI Chatbot Developer who measures outcomes: 100% answer rate, +28% bookings, 1,750+ automated tests in CI.
📩 Send your project brief - as your AI Developer I reply within 2 hours with a concrete action plan.
🥇 Top-Rated AI Developer on Upwork, ROI-focused: 5+ yrs AI/ML, 10+ yrs backend & data (Deloitte, PepsiCo, Health Union).
🥇 AI Voice Developer: 500+ concurrent calls, $0.09/call, 91% completion, 1,750+ tests in CI.
🥇 AI Chatbot Developer: WhatsApp/Telegram/Web bots in EN/DE/FR/RO as a 24/7 sales engine.
🥇 AI Agent Developer: 40x faster builds, 80x lower cost, 22x ROI on fraud detection.
❇️ AI Voice & Chatbot Development
As an AI Voice Developer I build full pipelines: Deepgram/Whisper → GPT-4/Claude → ElevenLabs/Cartesia — 500+ concurrent calls, sub-$0.10/call.
AI Voice Developer for dental clinics: 100% answer rate, +28% bookings vs. human baseline.
As an AI Chatbot Developer I own conversational business logic for WhatsApp, Telegram and Web — multilingual (EN/DE/FR/RO), integrating ManyChat, Botpress and OpenAI API.
AI Chatbot Developer and AI Voice Developer setups act as a 24/7 sales engine: answering-machine detection over 1,000+ streams cut call spend up to 60%.
❇️ AI Agent Architecture & Autonomous Workflows
As an AI Agent Developer I architect systems on LangGraph and CrewAI — platform rebuild: 40x faster bot development, 80x lower cost, 10x faster deployment.
AI Agent Developer work on lead generation, deal tracking and CRM automation — uplift retention designed for reactivation 8% → 15–23%, bonus spend cut to 40–50% (3–4x ROI).
Autonomous AI Agent workflows on Slack, Shopify and enterprise backends — fraud clustering targeting 50–60% abuse reduction at 22x ROI.
Every AI Agent Developer engagement scales processes without adding headcount: a QA agent raised coverage 2% → 25%.
⚙️ LLM Engineering & Advanced RAG
As a senior LLM Engineer and AI Developer, I solve the "hallucination problem" — Schema-Guided Reasoning makes the LLM predictable: accuracy 66% → 91%.
Advanced LLM pipelines with Vector Databases (Pinecone, Weaviate, Milvus), terabyte-scale RAG on AWS Kendra + Bedrock: retrieval 15 min → 2–3 min.
Custom fine-tuning, prompt engineering, production LLM infrastructure with source attribution, RBAC and audit trails.
Detection pipelines designed to cut alert noise 200+/day → ~25, surfacing 4x more real cases (false positives 85% → 12%).
🛠️ 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, API integration.
As a Data Scientist: analytics pipelines, model evaluation, terabyte-scale warehouses from scratch.
❇️ WHAT YOU GET WITH EVERY PROJECT
Hire me as your AI Developer: production-ready, scalable, documented code with full CI/CD on AWS. As a professional Python Developer I keep your system robust; as a data scientist, your data gets maximum analytical precision. Whether it's an AI Chatbot Developer task for support or an AI Agent Developer workflow for outbound sales, you get one senior owner end to end.
As a web developer and agentic ai developer, I pair a data analyst's precision with python full stack developer agility — data-driven apps with trackable analytics.
🌐 EXPERTISE ACROSS THE spectrum
For Enterprises: Lead Python Developer, AI Agent Developer and machine learning consultant — 15+ years in regulated finance, healthcare, telecom, iGaming, with AI agent RAG pipelines over your data.
For Startups: AI Voice Developer, AI Chatbot Developer and python full stack developer — rapid deployment of AI sales agent, AI voice chatbot and AI agent SaaS products.
For Deep Tech: as a data scientist and machine learning specialist — VIP detection designed to cut time-to-identify 40–60%, predictive modelling as a data analyst, generative AI agent and AI voice assistant systems.
Need a Senior Python Developer, AI Developer, AI Voice Developer, AI Chatbot Developer or AI Agent Developer who understands business logic and architecture — WhatsApp AI chatbot, AI phone agent, machine learning pipelines, AI agent N8N workflows, part data analyst, part machine learning engineer, part AI call agent creator? My goal is Enterprise AI with clear ROI. Let's connect.
👉 Send your project brief — your AI Developer replies in 2 hours with a free AI visibility audit.
24.08.2026
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.
Discovery & Interview Design
Analyze job requirements, design AI Developer scoring rubrics and AI Voice Developer interview question flows.
AI Developer Backend & Scoring Engine
Build FastAPI backend with OpenAI evaluation, candidate database, skill scoring algorithms, and ranking system.