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I will build a custom full stack web application with react nextjs and typescript
Antun N.
Informazioni su questo servizio
Looking for a senior developer who actually delivers? You found him.
I'm Antun Full Stack Developer & AI Expert with 10+ years building production-grade apps for global companies (Nike, Philips) and fast-moving startups.
WHAT I BUILD:
Custom web apps with Next.js, React & TypeScript
REST & GraphQL APIs with Node.js
PostgreSQL / MongoDB database architecture
AI-powered features & third-party integrations
Responsive, accessible, production-ready code
WHY CHOOSE ME:
Tech Lead at Versuni (Philips brand)
Senior developer on Nike projects via EPAM
Founder of Crystalium boutique dev agency
Clean, documented, scalable code
Direct communication no handoffs, no excuses
PACKAGES:
Basic Landing page or simple web app (14 days)
Standard Full web app with auth & database (30 days)
Premium Enterprise app with advanced features (45 days)
I take a limited number of projects to ensure quality. Message me before ordering.
Scopri di più su Antun N.
Antun N.
Full Stack Developer and AI Expert
- DaCroazia
- Membro dagiu 2026
- Tempo di risposta medio1 ora
Lingue
Inglese
I am a full-stack developer and founder of Crystalium, a software agency based in Sibenik, Croatia. With 10+ years of experience, I build custom web applications, e-commerce platforms, and AI-powered tools for clients across Croatia and the EU. My stack includes Next.js, React, TypeScript, Node.js, Python, and PostgreSQL. I specialize in web development, AI integration (OpenAI, Anthropic, LangChain), and custom software solutions. I take pride in clean code, clear communication, and delivering real results.
Altri servizi della categoria Sviluppo di software offerti da me
FAQ
Can you handle the full project — design, backend, and frontend?
Yes. I work as a solo full-stack developer and handle the entire stack — architecture, backend API, frontend UI, database, and deployment. For UI-heavy projects I can work with your designer or recommend one from my network.
Do you provide the source code?
Yes, source code is included in Standard and Premium packages. Basic package delivers a live deployment. If you need source code with Basic, just message me and we can arrange it.
What information do you need to get started?
I need a brief description of your project, any existing designs or references, preferred tech stack (if any), and your timeline. The more detail you provide upfront, the faster we can get started.
