Anton I.

If you want production software that scales without rework: I'm a Full Stack Developer and CTO who builds React and Node.js web applications end to end. ✅ $𝟭𝟲𝟲K+ on a single SaaS build, architected and led from zero ✅ 𝟮𝟱,𝟬𝟬𝟬+ active users on a platform I designed and scaled ✅ 𝟭𝟬+ years in full stack web development across SaaS, FinTech, EdTech, banking, IoT, and AI I'm a business-oriented software engineer and senior full stack developer. I help startups and SMBs turn ideas into production web applications, end to end. Most of my recent work is React and Node.js, with SaaS platforms and AI integrations making up the bulk of it. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗢𝗩𝗘𝗥𝗩𝗜𝗘𝗪 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ▸ Full stack developer with 10+ years in web development across SaaS, FinTech, EdTech, banking, IoT, and AI ▸ Core stack: React, Node.js, TypeScript, Next.js, and React Native, with PostgreSQL, MongoDB, and AWS on the infrastructure side ▸ I run a complete delivery team - frontend, backend, mobile, QA, design, and PM - so you get full stack web development, not a solo dev who hands off when things get complex ▸ Every project starts with architecture decisions: I map the system, define the API contracts, and set up a structure your team can maintain after handoff ▸ AI developer experience: LLM integration, voice agents (TTS/STT), NLP, and LangChain in production products ▸ Strong track record of taking products from zero to launch and leading them through scale ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗪𝗛𝗔𝗧 𝗜 𝗗𝗢 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ▸ Full stack web development - React, Next.js, Node.js, and TypeScript from frontend to backend ▸ SaaS development - multi-tenant architecture, workspaces, billing, role-based access, and scalable data models ▸ Backend and API development - Node.js, REST APIs, PostgreSQL, MongoDB, and AWS ▸ AI development - LLM integration, AI agents, voice interfaces (TTS/STT), NLP, LangChain, and computer vision ▸ Mobile development - React Native and Flutter apps sharing one backend with the web application ▸ Web application architecture and technical leadership at a CTO level, from system design to API contracts ▸ Legacy refactors and code audits - React cleanup, TypeScript migration, and state management fixes ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗧𝗘𝗖𝗛 𝗦𝗧𝗔𝗖𝗞 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ▸ Frontend: React, Next.js, TypeScript, JavaScript, Vue.js, HTML5, CSS ▸ Backend: Node.js, REST APIs, PostgreSQL, MongoDB, PHP ▸ Mobile: React Native, Flutter ▸ Cloud and infrastructure: AWS ▸ AI: LLM integration, LangChain, NLP, TTS/STT voice, computer vision ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗦𝗘𝗟𝗘𝗖𝗧𝗘𝗗 𝗪𝗢𝗥𝗞 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ▸ A social media SaaS platform with 25,000+ active users, architected and led from zero on a single build over $166K ▸ A React admin platform for a trading company with 8,000+ monthly users, with live data and administrative controls ▸ The digital onboarding flow for one of the largest retail banks in the UAE ▸ An AI video agent combining LLM, TTS/STT voice, and Unreal Engine for a French tutoring product ▸ Multi-tenant SaaS web applications with tenant-scoped queries, PostgreSQL row-level security, and new-tenant onboarding in under five minutes ▸ IoT dashboards with live occupancy visualization and trend charts, built in React and React Native on a shared Node.js and MongoDB backend ▸ A complex React frontend rebuilt to a clean atomic-design structure with Redux Toolkit and progressive TypeScript coverage ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗛𝗢𝗪 𝗜 𝗪𝗢𝗥𝗞 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Architecture first. I map the system, define the API contracts, and set up a maintainable structure before writing feature code. You get clean, typed code, clear communication, and a web application your team can extend after I hand it off. 📩 𝗟𝗘𝗧'𝗦 𝗖𝗢𝗡𝗡𝗘𝗖𝗧 Send me a sentence or two on what you're building. I'll reply the same day with examples from similar work, and we can book a short consultation to scope it. 𝗪𝗮𝗿𝗺 𝗥𝗲𝗴𝗮𝗿𝗱𝘀, Anton