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Open nowPosted 15 days ago

Senior Blockchain Engineer

getmidas14 open roles

Where
Turkey
Work mode
Remote
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Your applicationOpen nowSenior Blockchain Engineergetmidas · Turkey

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The clock on this job

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Share of postings closed within
  1. 1.4%1 day
  2. 3.5%3 days
  3. 7.7%7 days
  4. 13.4%14 days
  5. 34.5%30 days
This job: posted 15 days ago

The posting

At Midas, we are working on real-life engineering challenges to transform the world of finance.

We’ve transformed investing in Turkey by delivering a seamless experience for everyday investors.

Today, 4 million users invest with Midas. Backed by an $80M Series B, the largest fintech investment ever in Turkey, we are scaling faster than ever.

What You'll Do

  • Design and operate secure blockchain systems that handle customer assets
  • Own on-premises custody architecture, including HSM-backed key management, transaction signing, access controls, redundancy, backups, and disaster recovery
  • Lead custody integrations and migrations while maintaining security and transaction continuity
  • Develop, deploy, and maintain production-grade smart contracts and DEX integrations
  • Build multi-chain transaction infrastructure across EVM-compatible networks, Solana, and other non-EVM ecosystems
  • Build and operate RPC integrations, blockchain nodes, indexers, reorg-aware chain listeners, and on-chain data pipelines
  • Own the transaction lifecycle from policy checks and signing through confirmation, reconciliation, and recovery
  • Establish strong practices for observability, incident response, operational security, and failure recovery
  • Work closely with product, security, and engineering teams to deliver reliable financial infrastructure

What You'll Bring

  • Strong software engineering experience building and operating critical production systems, ideally in financial services, digital assets, brokerage, or exchange environments
  • Hands-on experience with RPC integrations, node operations, indexers, chain listeners, wallets, custody systems, and transaction signing
  • Experience designing, operating, or migrating on-premises custody infrastructure using HSMs
  • Strong knowledge of key lifecycle management, cryptographic signing, access controls, backup strategies, and disaster recovery
  • Production experience across both EVM-compatible and non-EVM networks, ideally including Solana
  • Experience developing and operating smart contracts; strong Solidity knowledge is expected, while Rust or Solana development experience is valuable
  • Experience integrating DEXs, DeFi protocols, or other on-chain financial workflows
  • Understanding of node synchronization, RPC reliability, transaction models, finality, reorg handling, backfills, fees, and network-specific failure scenarios
  • Knowledge of distributed systems, asynchronous processing, idempotency, data consistency, and observability
  • Ability to independently own complex, security-sensitive projects from design through production
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