Senior Blockchain Engineer

💼 Hiring: Senior Blockchain Engineer - Midas 📍 Remote - Turkey | 🕐 Posted 18 hours ago - September 30, 2026 | 💰 Not provided | 🧑‍💻 Full-time | 🔗 Solidity / Rust / RPC / HSM / Custody Midas is hiring a Senior Blockchain Engineer to design secure systems for customer assets, custody, smart contracts, and multi-chain infrastructure. The platform serves 4 million investors in Turkey. 📋 Responsibilities include: - Design and operate secure blockchain systems that handle customer assets - Own on-premises custody: HSM key management, signing, access controls, redundancy, backups, and disaster recovery - Lead custody integrations and migrations while keeping security and transaction continuity - Develop, deploy, and maintain production smart contracts and DEX integrations - Build multi-chain infrastructure across EVM, Solana, and other non-EVM networks - Operate RPC integrations, nodes, indexers, reorg-aware listeners, and on-chain data pipelines - Own the transaction lifecycle from signing through confirmation, reconciliation, and recovery - Set practices for observability, incident response, operational security, and recovery 🔑 Requirements / Must-have: - Strong experience operating critical production systems, ideally in finance, digital assets, brokerage, or exchanges - Hands-on RPC, node, indexer, wallet, custody, and transaction-signing work - Experience designing, operating, or migrating on-premises HSM custody infrastructure - Strong knowledge of key lifecycle, cryptographic signing, access controls, backups, and disaster recovery - Production experience on EVM and non-EVM networks, ideally including Solana - Smart-contract experience, with strong Solidity knowledge expected - Experience integrating DEXs, DeFi protocols, or other on-chain financial workflows - Understanding of node sync, RPC reliability, finality, reorgs, and network failures 🛠 Nice-to-have / Preferred: - Rust or Solana development experience 📩 To apply: Apply: https://jobs.lever.co/getmidas/0f746779-a756-49b0-94f4-d1c5232ee94c/apply 🔗 Original post: https://www.linkedin.com/posts/remote-senior-blockchain-engineer-at-midas-share-7511161206603407361-dgvC/ 📌 New here? Subscribe and mute notifications to avoid noise. 🔎 Search by role or skill, or check the pinned messages for a short vacancy list. ⚠️ DYOR! I do not verify every job. Requests to download and run files or make a payment are major scam warning signs. 🚩 ❗️ I am not hiring. I only share fresh Web3 jobs posted by others. #NFA #DYOR 🌎 All my other social media! Subscribe!👇 💡 Intern/Junior Web3/Crypto/Blockchain Roles DAILY 📱 Allweb3jobs on Twitter/X 📱 Allweb3jobs on LinkedIn 📱 Coinmarketcap token analysis 🪙 Binance token analysis 💬 Want to promote something or just ask a question? Feel free to reach out: @crypto_vazima