Anton C.

👋 Hi! My name is Anton. I'm a React Developer specializing in SaaS, AI-powered web applications, and B2B platforms. I have 6+ years of experience delivering 300+ projects for SaaS, AI, and B2B clients. My work also spans Full Stack Developer React Node and Front End Developer work — production-ready code, built for founders shipping SaaS, AI, and B2B products, with a React Developer who owns the whole process.

⭐ Top Rated Plus React Developer
📅 6+ years as a React Developer
📦 300+ projects delivered
⏱️ 5,000+ Upwork hours as a React Developer
🔁 ~70% returning clients

✅ Why hire me as a React Developer
▪ As a React Developer and Full Stack Developer, I bring 10+ years of experience across SaaS, AI, and B2B platforms.
▪ As a React Developer, I've delivered 70+ projects, plus 300+ broader engagements as a Full Stack Developer React Node.
▪ As a React Developer, I've logged 5,000+ Upwork hours across React Native Developer and Full Stack Developer React Node work.
▪ Top Rated Plus status reflects steady, on-time delivery as a Front End Developer.
▪ A React Developer at the core, shipping production-ready code with React, Next.js, and TypeScript — spanning Full Stack Developer React Node and Web Developer work.
▪ As a Full Stack Developer React Node, I ship SaaS MVPs ~30% faster to market, with ~25% fewer post-launch bugs.
▪ As a Front End Developer, I maintain production platforms at 99%+ uptime, with zero-downtime deployments on 90%+ of releases.
▪ As a React Developer, I optimize front-ends that load up to 40% faster and scale to 10,000+ active users.
▪ Using AI-assisted workflows as a Full Stack Developer React Node, I cut development costs by ~20% and speed delivery by ~30%.

🏗️ Full-Stack SaaS & B2B Platforms
As a React Developer and Full Stack Developer React Node, I build multi-tenant B2B SaaS platforms with React, Next.js, and Node.js — authentication, role-based access control, and full Stripe billing (Subscriptions and Connect), backed by PostgreSQL via Prisma with REST and GraphQL APIs on AWS. On the AI side, as a Full Stack Developer AI, I build AI-powered SaaS products with the OpenAI and Anthropic APIs — RAG pipelines, embeddings, semantic search, Supabase Realtime, and PWAs on Vercel.

🖥️ Front-End & React Development
As a Front End Developer React specialist, I deliver Front-End Development with Core Web Vitals-optimized, accessible interfaces with App Router, Server Components, SSR/SSG, and ISR. Firebase-backed projects get the same coverage as a React Developer Firebase build. Next.js builds run through me as a React Next JS Developer and Front End Developer Next.js, and AI interfaces as a Front End Developer AI. My work also covers marketplaces, e-commerce, booking systems, real-time chat, and analytics dashboards, extending to iOS and Android as a Mobile App Developer and React Native App Developer with React Native and Expo.