Skip to content
BackNov 7
Hleb S.
Upwork badge

Hleb S.

AI developer | AI agent | AI Chatbot | AI consultant Python developer

🚀 Turning business ideas into working AI products: fast, clean, and built to scale. With 7+ years in software, I work as an AI developer, Python developer, and full stack AI SaaS developer for founders, agencies, and teams who want automation that actually saves time. As an Open AI developer and agentic AI developer, I connect language models to your real data, tools, and users. As a data scientist, I also measure results, so you know the system works, not just that it runs. 💡 What I Can Build For You AI SaaS developer services: multi-user products with roles, billing, dashboards, and usage analytics AI developer LangChain workflows: chains, memory, tools, and agents that call your APIs AI developer Zapier automations: flows connecting your CRM, email, Slack, and spreadsheets AI developers RAG solutions: document ingestion, embeddings, vector search, and chatbots that answer from your own knowledge base Bolt AI developer prototypes: a working demo in days, then hardened into production-ready code Bubble developer AI apps: visual no-code builds with AI features, plugins, and API connectors App developer with AI skills: web and mobile apps with smart search, assistants, and recommendations Airtable developer systems: bases, automations, and interfaces your team will actually use Airbnb developer support: booking sync, calendar and pricing automation, guest messaging, and host dashboards via APIs Machine learning features: NLP, classification, forecasting, and recommendations Web developer delivery: clean React front ends with Python/Django back ends 🎯 Why Clients Choose Me I think like a product owner, not just a coder. Before building, I clarify your goals, users, data, and risks. Then I deliver in small steps with demos, so you can give feedback early and avoid surprises. Fallback logic, logging, testing, and human review are built into every project. That's the difference between a flashy demo and a tool your team trusts every day. I'm comfortable working with non-technical clients. As your Python developer, I handle APIs, databases, background jobs, and security. As your full stack AI SaaS developer, I take an MVP from scope to launch. 🧰 Toolbox Python, Django, React, JavaScript, PostgreSQL, Docker, OpenAI, Claude, LangChain, vector databases, n8n, Make, Zapier, Airtable, Slack, Stripe. 🤝 Typical Projects Customer support copilots, internal knowledge assistants, sales and reporting automation, document processing, marketplaces, fintech and real estate tools, and e-commerce operations. I can join at any stage: new MVP, legacy rebuild, or scaling an existing platform. 🔑 In Short I'm the AI developer you hire when you need an Open AI developer who ships, an agentic AI developer who builds reliable agents, and a data scientist who proves the value. Need an AI developer LangChain or AI developer Zapier expert? Looking for AI developers RAG experience, a Bolt AI developer for fast MVPs, or a Bubble developer AI builder? I also work as an AI SaaS developer, app developer with AI features, Airtable developer, Airbnb developer, web developer, and machine learning engineer. Send me a message and let's scope your project.

🇱🇹Vilnius, Lithuania$50/hr100% JSS5.00 (5)Since Jul 2023

Earnings and projects

MRR
$6.5k

Last 6 months ÷ 6

World#3,351 / 412k
🇱🇹Country#7 / 452
Revenue, last 30 days
—

Read daily since Oct 15, under 30 days

Total earnings
$286k

Billed in all: $305k

World#8,452 / 412k
🇱🇹Country#13 / 452
Per project
$57k

$19k in the last 6 months

World#702 / 412k
🇱🇹Country#3 / 452
Projects, last 6 months
2
50% fixed50% hourly
World#88,918 / 412k
🇱🇹Country#89 / 452
Projects in all
5

Across 7 contracts

43% fixed57% hourly
World#266,042 / 412k
🇱🇹Country#296 / 452

Earnings, last 30 days

$305k+$5.9k earned since Oct 15Billed in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$295k$300k$305kOct 15Oct 27Nov 7

Tracked from Oct 15, 2026.

Skill rankings: Top 0.79% in CSS 3

Ranked by MRR among everyone on Upwork with the skill.

  1. #4Software Consultation161 freelancers · 🇱🇹 #1Top 2%
  2. #8Artificial Neural Network320 freelancers · 🇱🇹 #1Top 3%
  3. #12Software Design719 freelancers · 🇱🇹 #1Top 2%
  4. #30TensorFlow1,661 freelancers · 🇱🇹 #1Top 2%
  5. #31PyTorch1,585 freelancers · 🇱🇹 #1Top 2%
  6. #42Computer Vision2,498 freelancers · 🇱🇹 #1Top 2%
  7. #50Deep Learning2,743 freelancers · 🇱🇹 #1Top 2%
  8. #53Natural Language Processing2,688 freelancers · 🇱🇹 #1Top 2%