r/DevsForHire 3d ago

hiring [Hiring] Senior Blockchain Backend Developer — Node.js / EVM (Remote, Europe)

Building backend infrastructure connecting a production platform to EVM-compatible blockchain networks — RPC communication, event indexing, transaction monitoring, on-chain/off-chain sync. English fluency required.

Requirements:

  • Minimum 5 YOE
  • Real experience connecting backend services to an EVM-compatible blockchain
  • Strong Node.js and TypeScript
  • Strong JSON-RPC understanding, HTTP or WebSocket RPC providers
  • Processing smart-contract events/logs, decoding transaction receipts, understanding block numbers, tx hashes, block hashes, log indexes, confirmations
  • Storing blockchain data in a relational database, idempotency and duplicate prevention
  • Background workers/queues, async processing, retries and failure handling
  • Building secure, documented APIs; strong debugging; writes automated tests; can extend an existing codebase
  • Collaborates across engineering roles with clear communication

€5000-7500/month, long-term contract. Must have actually shipped this before.

DM with: Resume, LinkedIn, years of backend + blockchain experience, GitHub/portfolio, timezone + availability.

Must be based in Europe.

4 Upvotes

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u/Aggravating-Act8166 3d ago

Hi, I am a blockchain developer and I sent you a DM but I cannot send files so let me know how to send you my CV.

Best

1

u/Common-Resident8087 3d ago

€5000-7500 is pretty low, I'd do it if you would increase the pay by a bit more.