Next.js and React development agency specializing in headless migrations and performance optimization
Blazity is a Poland-based development shop focused on architecting and deploying Next.js and React applications at scale. The stack reveals a company building across modern frontend (React, TypeScript, Next.js on Vercel), data visualization (D3.js, deck.gl, WebGL, Cesium.js), and AI integrations (Claude, OpenAI, Anthropic via Vercel AI SDK). Project and pain-point patterns show a shift beyond custom development toward product-led growth: they're investing in open-source initiatives, developer community engagement, and a SaaS platform—while simultaneously facing typical scaling challenges (engineering org, revenue, enterprise expansion).
Notable leadership hires: Head of Engineering
Blazity develops custom Next.js and React applications for mid-market and enterprise companies, with specialization in headless CMS architectures and e-commerce platform migrations. The team operates across full-stack frontend services: greenfield product development, legacy system modernization, and infrastructure optimization on Vercel, AWS, GCP, and Azure. Recent project velocity shows diversification beyond services work—they're launching internal open-source projects and building a SaaS developer platform—while maintaining their core consulting practice targeting technical audiences through content and community channels.
Next.js, React, TypeScript, Sanity (headless CMS), Vercel, AWS, GCP, Azure, Netlify, Node.js, plus visualization tools (D3.js, deck.gl, WebGL) and AI SDKs (Claude, OpenAI, Anthropic).
Warsaw, Poland. The company was founded in 2018 and operates as a privately held firm with 11–50 employees.
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