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Oleksandr R.
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Oleksandr R.

AI Product Engineer | SaaS MVP | AI Integrations Full-Stack Developer

I'm an AI Product Engineer and founder - I design, build, and ship AI-powered products fast. I launched Nocodly, an AI assistant SaaS platform, entirely solo - from idea to paying users. No team, no agency. That experience taught me how to move fast, make smart tradeards, and build things that actually work in production - not just demos. My edge is knowing when to write code and when to let AI do the heavy lifting. I use Claude Code, Cursor, and OpenAI APIs daily to move at a speed that wasn't possible two years ago. The result: founders get a working product in weeks, not months. What I build: — AI-powered SaaS platforms and startup MVPs — Full stack web applications (Next.js, React, Node.js, TypeScript) — Desktop applications (Python, Electron) — AI integrations (OpenAI API, Claude API, Jina AI) — Chatbot and AI assistant systems (web, Telegram) — Admin dashboards, CRM systems, internal business tools — Workflow automation and API integrations — Multi-tenant SaaS applications — Marketplace platforms and booking systems — Stripe payments, subscriptions, and billing systems — Cloud infrastructure and deployment (Railway, Vercel, Supabase) — Real-time databases and scalable backend architecture — Authentication systems and role-based access control — Landing pages and conversion-focused UI — Analytics integration and funnel tracking — Telegram bot development and automation — AI prompt engineering and LLM architecture — Structured outputs and schema design — Quality validation systems for AI responses — Evaluation harnesses and AI output testing — API-first platform architecture — SaaS onboarding flows and user management — Notification systems (email, in-app, Telegram) — CSV and PDF export systems — Reporting dashboards and data visualization Tech stack: Frontend: React, Next.js, JavaScript, TypeScript, Tailwind CSS, responsive web design Backend: Node.js, Express.js, REST APIs, Webhooks, authentication systems, server-side logic Database: Supabase, PocketBase, PostgreSQL, Firebase, real-time databases Cloud: Railway, Vercel, cloud infrastructure, production deployment, scalable systems AI: OpenAI API, Claude API, Jina AI, AI agents, AI automation, vector search, AI chat systems, LLM integrations, prompt engineering Payments: Stripe, Stripe subscriptions, Stripe checkout, recurring billing, SaaS billing systems, webhook handling, invoice systems Tools: Claude Code, Cursor, GitHub, VS Code, AI-assisted development workflows, agile startup development What I also help with: — Bug fixing and performance optimization — API debugging and backend troubleshooting — Database fixes and scalable code refactoring — UI/UX improvements and modern interface design — Production support for web applications and SaaS systems — Code review and architecture consulting — Performance audits and scalability planning — Migration from legacy systems to modern stacks — Integration of third-party APIs and services — Security improvements and authentication hardening Industries I've worked with: — SaaS and software products — AI and automation tools — Booking and scheduling platforms — E-commerce and marketplace systems — Business productivity tools — Customer communication platforms — Content and media platforms Why founders hire me: I do more than just write code. I help validate ideas, structure scalable architecture, improve product direction, and launch fast. I understand SaaS business models, unit economics, and what it takes to go from zero to paying users - because I've done it myself. I think like a founder, not a ticket-taker. I'll scope it properly, tell you what's worth building, push back on bad ideas, and ship without overbuilding. If you're a founder with a real problem and need someone who gets both the technical and business side - let's talk.

🇩🇪Ottobrunn bei Muenchen, Germany$34/hr100% JSS5.00 (1)Since Apr 2026
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Earnings and projects

MRR
$2.1k

Last 6 months ÷ 4.4 months active (since Jun 2026)

World#21,885 / 412k
🇩🇪Country#165 / 3,842
Revenue, last 30 days
$1.4k

Last 6 months: $8.9k

World#32,485 / 412k
🇩🇪Country#220 / 3,842
Total earnings
$9.1k

Billed in all: $9.8k

World#204,646 / 412k
🇩🇪Country#1,626 / 3,842
Per project
$4.5k

$4.5k in the last 6 months

World#38,282 / 412k
🇩🇪Country#225 / 3,842
Projects, last 6 months
2
50% fixed50% hourly
World#88,918 / 412k
🇩🇪Country#715 / 3,842
Projects in all
2
50% fixed50% hourly
World#328,886 / 412k
🇩🇪Country#3,182 / 3,842

Earnings, last 30 days

$9.8k+$1.4k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$8k$9k$10kOct 8Oct 23Nov 7

Skill rankings: Top 6% in GitHub

Ranked by MRR among everyone on Upwork with the skill.

  1. #23Cloud Development165 freelancers · 🇩🇪 #1Top 14%
  2. #62Stripe API698 freelancers · 🇩🇪 #1Top 9%
  3. #73Minimum Viable Product546 freelancers · 🇩🇪 #1Top 13%
  4. #77No-Code Development1,096 freelancers · 🇩🇪 #1Top 7%
  5. #149Startup Consulting1,584 freelancers · 🇩🇪 #7Top 9%
  6. #168GitHub2,823 freelancers · 🇩🇪 #2Top 6%
  7. #509Supabase4,116 freelancers · 🇩🇪 #3Top 12%
  8. #588SaaS6,440 freelancers · 🇩🇪 #9Top 9%