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
Bachelor's degree in Computer Engineering, Software Engineering, or a related discipline
Fluent English communication skills (C1 level or above)
5+ years of professional software engineering experience.
Strong hands-on experience with Java (Java 17+ preferred).
Experience with Spring Boot and microservice architectures.
Strong knowledge of RESTful APIs and event-driven architectures.
Good understanding of container technologies (Docker, Kubernetes).
Preferred Qualifications
Experience with MPC (Multi-Party Computation) custody solutions.
Experience integrating institutional custody providers.
Knowledge of blockchain security and smart contract risks.
Experience with cloud platforms (Azure preferred).
Familiarity with ISO 27001, SOC2 and financial security standards.
Experience working in Agile/Scrum environments.
Key Responsibilities
Backend Engineering
Design, develop and maintain Java-based backend services supporting digital asset operations.
Build APIs and microservices for wallet administration, asset transfers, transaction signing and custody workflows.
Develop integration components with blockchain SaaS vendors and custody providers.
Ensure high availability, scalability and resilience of critical digital asset services.
Security & Cryptography
Design secure key management processes across the entire key lifecycle.
Implement integrations with HSMs (Hardware Security Modules), vault solutions and key custody platforms.
Support cryptographic operations including transaction signing, encryption and secure key storage.
Apply security-by-design principles throughout application development.
Conduct security reviews and threat modeling for new capabilities.
Custody & Wallet Management
Design and implement wallet provisioning and lifecycle management capabilities.
Build and optimize custody workflows for institutional digital asset operations.
Support multi-signature and approval workflows.
Implement controls for segregation of duties and privileged access management.
Platform & DevOps Collaboration
Work closely with DevOps and Security Engineers to automate secure deployments.
Contribute to CI/CD pipelines and infrastructure-as-code initiatives.
Support operational readiness, monitoring and security incident analysis.
Stakeholder Engagement
Collaborate with architects, blockchain engineers, compliance specialists and product stakeholders.
Participate in architecture reviews and security assessments.
Provide technical guidance on secure digital asset platform design.
Preferred Qualifications
Experience with MPC (Multi-Party Computation) custody solutions.
Experience integrating institutional custody providers.
Knowledge of blockchain security and smart contract risks.
Experience with cloud platforms (Azure preferred).
Familiarity with ISO 27001, SOC2 and financial security standards.
Experience working in Agile/Scrum environments.
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
About ING
With 65,000 employees and operations in approximately 40 countries, there is no shortage of opportunities for people with initiative who want to help people take a step ahead in life and in business.
Do you want to work at the cutting edge of what's possible and at the same time ensure you work with integrity and hold the customer's interests at heart? Do you want to be surrounded by progressive, inspiring, diverse and supportive colleagues?
Then there is no better place to invest your talents than at ING. Join us. Apply today.
