As a Digital Asset Security 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 part of a globally distributed organization, you'll collaborate with colleagues across multiple ING locations and contribute to solutions used across the bank. About the Team You will join an international technology organization where ownership, knowledge sharing, collaboration, and engineering excellence are at the heart of everything we do. Our teams design and deliver critical technology platforms that support ING's digital transformation journey. We believe scalable architectures, strong engineering practices, automation, and continuous learning are essential for delivering reliable solutions at scale. About You Minimum
Qualifications
5+ years of experience in software engineering, solution design, or architecture roles Strong stakeholder management experience across business and technology domains Excellent communication and presentation skills Strong analytical and problem-solving capabilities
Experience
working in Agile organizations Bachelor's degree in Computer Engineering, Software Engineering, or a related discipline Fluent English communication skills (C1 level or above) Technical Skills Strong background in cyber security, secure software engineering, platform security, or cryptographic systems. Understanding of blockchain and digital asset fundamentals, including: Wallets and addresses , Public/private key cryptography, Digital signatures, Transaction signing, Smart contracts, Tokens, Blockchain nodes, Custody models
Experience
with secure coding, threat modelling, vulnerability management, penetration testing, or security architecture. Familiarity with APIs, microservices, event-driven architecture, cloud platforms, containers, Kubernetes, CI/CD, and infrastructure-as-code. Understanding of IAM, privileged access management, secrets management, encryption, logging, monitoring, and audit trails. Preferred Skills
Experience
in banking, financial services, payments, capital markets, securities, custody, or wholesale banking.
Experience
with digital assets, tokenization, stablecoins, CBDCs, tokenized deposits, or blockchain-based settlement. Hands-on experience with HSMs, MPC platforms, wallet infrastructure, or custody technology providers.
Experience
with smart contract security tools such as Slither, Mythril, Foundry, Echidna, or similar tools. Knowledge of Ethereum, EVM chains, Hyperledger Besu, Hyperledger Fabric, Corda, Quorum, or permissioned blockchain networks.
Experience
with cryptographic protocols, secure enclaves, threshold signatures, distributed key generation, or zero-knowledge proofs.
Experience
with security certifications, standards, and frameworks such as ISO 27001, SOC 2, NIST, CIS, OWASP, or cloud security benchmarks. Security certifications such as CISSP, CCSP, OSCP, GIAC, CEH, cloud security certifications, or blockchain security certifications are a plus. Equal Opportunity Don't meet every single requirement? Don't let that hold you back. Studies show many talented professionals hesitate to apply unless they meet every qualification. If you're excited about this role and believe you can make an impact, we'd love to hear from you.
What We Offer
at ING Hubs Türkiye At ING Hubs Türkiye, we believe that your work should be fulfilling in every way. We pay attention to even the smallest details to ensure that your experience is rewarding. Be Yourself, Be an ING'er Welcome Leave: Enjoy 14 days of welcome leave, even in your first year Self-driven career opportunities Challenging projects and continuous learning opportunities Flexible hybrid working model Remote working opportunities throughout August Training budget and Udemy partnership Global mobility and international career opportunities Comprehensive health insurance for you and your family Private Pension Plan Meal Card Transportation Allowance MultiSport Membership English Language Development Support Innovation culture powered by PACE methodology Regular communication activities and celebrations We’re a global bank with a strong European base, and our more than 60,000 colleagues serve around 38 million customers and corporate clients in over 40 countries. Joining ING means working with friendly and collaborative people towards making a positive impact on people and planet. We believe in empowering the people around us and our customers to stay a step ahead. Working here means having the autonomy to drive progress, helping to create superior customer value and contributing to our ambition of putting sustainability at the heart of everything we do. Here, we’re more than just a workplace – we’re a community of innovators, problem-solvers, and forward-thinkers, dedicated to making a real impact. Whether you’re just starting your career or seeking the next big challenge, we have opportunities that will inspire and push you to grow. Your future at ING starts with one application. Ready to join? We’ve got plenty of opportunities to match your skills and aspirations! Use the filters below the search bar – like location and job type – to help you find the perfect fit. Start exploring now and discover where your next career move could take you!