Pavlo — Blockchain & Web3 freelancer in Kyiv

Trusted by startups and enterprises, including a #1 Finance App Store product, a $6.8M-funded fintech wallet, and a SaaS platform with 3M+ monthly visits. 7+ years of extensive experience. 100% Job Success. Senior Full Stack Developer and Tech Lead. Experienced in delivering robust web, mobile, and AI-powered products across the React, React Native, and Node.js tech stack. 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬 𝐈'𝐦 𝐩𝐫𝐨𝐮𝐝 𝐨𝐟: Trustyfy - A Spanish blockchain-first fintech platform for crypto & fiat asset management. Raised $6.8M in seed funding. Built multi-wallet management, team collaboration features, crypto tax calculation, cross-chain swaps, and crypto-friendly banking integration. Stack: Next.js, Nest.js, Moralis, WalletConnect, Web3React, Snapshot. Creativio.AI - AI-powered SaaS for product photography. Integrated Stability AI, built a custom AI editor with inpainting, background generation, and image upscaling from scratch. Scotty AI - Next-gen conversational AI solution for HR & recruitment. Led development of the core chat widget with OpenAI integration and real-time communication. 𝐓𝐞𝐜𝐡 𝐬𝐭𝐚𝐜𝐤: ⚡ Frontend: React, Next.js, TypeScript, Tailwind CSS, Storybook ⚡ Backend: Node.js, Express, NestJS, MongoDB, PostgreSQL, Supabase ⚡ Blockchain: Solidity, Ethers.js, Web3.js, Polygon, Ethereum ⚡ AI & LLMs: custom AI editors & image tools, LLM chatbots, RAG, autonomous agents & workflow automation, OpenAI, Claude, Gemini. ⚡ Infrastructure: AWS, Firebase, Azure, Google Cloud, CI\u002FCD ⚡ Mobile: React Native, Expo 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞: AI & Automation LLM integrations, intelligent chatbots, AI-powered SaaS features, and workflow automation that saves your team real time Blockchain & Web3 Smart contracts, Solidity, DeFi\u002FDApp development, crypto wallets, token systems, and exchange platforms, compliant and secure SaaS Platforms Multi-tenant architecture, subscription billing, Stripe\u002FPayPal, admin dashboards, and real-time collaboration features Web & Mobile React, Node.js, Next.js, React Native, Expo, pixel-perfect UIs that work on every device FinTech & Compliance Secure transaction flows, KYC\u002FAML-ready architecture, regulatory compliance baked in from day one 𝐖𝐡𝐚𝐭 𝐰𝐨𝐫𝐤𝐢𝐧𝐠 𝐰𝐢𝐭𝐡 𝐦𝐞 𝐥𝐨𝐨𝐤𝐬 𝐥𝐢𝐤𝐞: ✓ Strategic input at the architecture stage ✓ Clear, proactive communication throughout the project ✓ Code that your team can actually maintain and scale ✓ Security and compliance thought through from the start Great software starts with the right technical partner. Let's talk about what you're building. Message me, and we’ll set up a quick call to discuss your solution further.