Senior Blockchain Engineer
Midas, Turkey
What you will 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