Blockchain Ops Engineer ING · Istanbul (VADI ISTANBUL PARK)

As a Blockchain Ops Engineer , you will help design, implement, and secure ING’s digital asset technology capabilities. You will work on security-critical components such as wallet infrastructure, key management, cryptographic controls, custody models, smart contract security, transaction authorization, secure signing, tokenization platforms, and blockchain integrations. This is a hands-on engineering role for someone who understands both cyber security and digital asset technology . You will collaborate with digital asset engineers, blockchain engineers, architects, cyber security teams, risk, compliance, legal, product owners, and global technology squads. Your mission is to make sure ING’s digital asset platforms are secure by design, resilient by default, auditable, compliant, and ready for production in a regulated banking environment . Work Model At ING Hubs Türkiye, flexibility is more than a benefit—it's part of how we work. Our hybrid way of working is designed to balance collaboration, innovation, and personal flexibility. Team members typically come together at our Vadistanbul office for two days per week during three weeks of the month, while one week each month is fully remote. We also provide additional flexibility throughout August with remote working opportunities, allowing colleagues to remain productive while staying connected with their teams. As…