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Svyatoslav M.
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Svyatoslav M.

AI Developer / Python developer / SaaS AI / Full Stack developer

Hi! I'm a Senior Generative AI & Full-Stack Engineer with 15+ years of experience specializing in building production-ready AI applications, Custom Chatbots, and Multi-Agent systems adhering to EU AI Act Compliance. Are you looking to bridge the gap between advanced Artificial Intelligence and a robust, production-ready web architecture? I deliver scalable, secure, and smart technical solutions that turn complex business ideas into high-performing digital products. I combine deep expertise in foundational backend/frontend stacks with cutting-edge Generative AI engineering. Whether you need an autonomous AI Agent framework, a high-accuracy RAG pipeline, or a complex enterprise web application, I handle everything from core architecture to seamless UI deployment. Please look at my portfolio below to see my "ML-Based Price Recommendation System", "AI-Powered HR Application Full Stack Development", "Full-Stack Developer For Custom ERP", and many others. Core AI & Machine Learning Expertise: - Large Language Models (LLMs): Custom integration, API optimization, and fine-tuning with OpenAI, LLaMA, Claude, etc. - Advanced RAG Systems: Building intelligent Retrieval-Augmented Generation architectures to connect LLMs with private corporate data sources, minimizing hallucinations. - AI Agents & Conversational Systems: Development of autonomous multi-agent workflows, AI chatbots, smart routing systems, and NLP tools (LangChain, LlamaIndex). Robust Full-Stack Stack: - Backend: Node.js, Express.js, PHP (Laravel, Yii), Python, API Integration, and high-load architecture. - Frontend: React.js, Next.js, and modern JavaScript for intuitive, interactive AI user interfaces. - Databases & Cloud: Vector databases (Pinecone, Chroma), PostgreSQL, MySQL, and secure cloud deployment via Amazon Web Services (AWS Partner & Certified Cloud Practitioner) and GCP. Why Work With Me: - 100% Job Success & Top Rated Plus: A proven track record of delivering clean code, meeting strict deadlines, and maintaining clear communication. - Business-Centric Approach: I don't just write code; I design systems that optimize internal workflows, improve user retention, and cut operational costs. - Agile Integration: backed by the engineering strength of the Greenice team, allowing for rapid scaling if your project requires additional resources. Let’s turn your vision into a production-ready application. Click the "Invite to Job" button, and let’s discuss the technical architecture of your project!

🇩🇪Berlin, Germany$41/hr100% JSS4.97 (25)Since Feb 2012
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Earnings and projects

MRR
$3.7k

Last 6 months ÷ 6

World#9,257 / 412k
🇩🇪Country#69 / 3,842
Revenue, last 30 days
$2.7k

Last 6 months: $22k

World#14,266 / 412k
🇩🇪Country#108 / 3,842
Total earnings
$740k

Billed in all: $757k

World#1,155 / 412k
🇩🇪Country#4 / 3,842
Per project
$21k

$11k in the last 6 months

World#5,451 / 412k
🇩🇪Country#23 / 3,842
Projects, last 6 months
2
50% fixed50% hourly
World#88,918 / 412k
🇩🇪Country#715 / 3,842
Projects in all
35

Across 47 contracts

15% fixed85% hourly
World#85,277 / 412k
🇩🇪Country#682 / 3,842

Earnings, last 30 days

$757k+$2.7k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$754k$756k$758kOct 8Oct 23Nov 7

Skill rankings: Top 2% in CSS 3

Ranked by MRR among everyone on Upwork with the skill.

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  8. #200Git5,766 freelancers · 🇩🇪 #3Top 3%