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rolandsteiner

Roland

@rolandsteiner

Blockchain Developer, Block Explorers and Node Infrastructure

Hungary
Hungarian, German
About me
I'm a blockchain developer from Hungary, focused on block explorers and node infrastructure for UTXO/RPC-based chains. What I build: production-ready explorers - Node.js backend, MongoDB indexer, clean responsive frontend - plus the node setup and syncing behind them. You can see a live explorer I built at deftrack.xyz. You provide the VPS and RPC access; I deliver a fully indexed explorer running on your domain. Clear communication, and support after handover.... Read more

Skills

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rolandsteiner
Roland
Offline • 
Average response time: 1 hour

See my services

Server Administration
I will set up and secure your ubuntu or debian vps server
From$15 / projectMore details
Technical Support
I will install and sync your crypto coin node on a vps server
From$15 / projectMore details

Work experience

Self-Employed_/ Freelancer

Freelance Blockchain & Web Developer

Self-Employed / Freelancer • Freelance

Aug 2026 - Present • 1 mo

Building block explorers and node infrastructure for UTXO/RPC-based blockchains: Node.js + MongoDB indexers, responsive explorer frontends, node deployment and syncing on Linux VPS, plus API endpoints and monitoring. I work end to end - from a fresh server to a live, fully indexed explorer running on the client's own domain.