We are looking for a Senior Backend Engineer to help build the next generation of digital asset, tokenization, and distributed financial infrastructure capabilities within ING. You will design and develop scalable backend services, APIs, integration layers, event-driven applications, and cloud-native platforms that support emerging digital asset and distributed ledger initiatives. While prior blockchain experience is welcome, it is not required. We are primarily looking for strong software engineers who are passionate about building resilient, secure, and high-performing distributed systems and are interested in expanding into the blockchain and digital assets domain. 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 experience in: Java (preferred) Kotlin Spring Boot REST APIs Microservices Architecture

Experience

with: Event-driven architectures Kafka RabbitMQ or similar messaging technologies SQL and NoSQL databases Containerization (Docker) Kubernetes CI/CD pipelines Git-based development workflows Good understanding of: Distributed systems System integration API design Scalability patterns Roles and

Responsibilities

Backend Engineering & Platform Development Design, build, and operate scalable backend services and APIs. Develop microservice-based applications running on cloud-native platforms. Create robust integration solutions between internal banking systems and emerging digital asset platforms. Build highly available, secure, and resilient services handling financial transactions and business-critical processes. Participate in architecture discussions covering scalability, performance, security, reliability, and maintainability. Distributed Systems & Digital Assets Support the design and implementation of distributed financial platforms. Contribute to digital asset, tokenization, and blockchain-related initiatives. Work on transaction workflows, settlement processes, custody integrations, and digital asset servicing capabilities. Learn and apply distributed ledger technologies where appropriate. Collaborate with blockchain engineers and architects on selected use cases. Engineering Excellence Build automated testing frameworks and CI/CD pipelines. Apply clean code principles and software craftsmanship practices. Improve observability, monitoring, logging, and operational resilience. Support production environments and participate in incident resolution activities. Contribute to reusable engineering patterns and platform capabilities. Security & Compliance Implement security-by-design principles. Apply secure coding standards and software development best practices. Work closely with security, risk, and compliance teams. Ensure regulatory and internal control requirements are considered throughout solution delivery. Collaboration Work in Agile squads with Product Owners, Architects, Business Analysts, SREs, and Security Specialists. Collaborate with global ING engineering teams. Share knowledge and contribute to engineering communities, demos, and innovation initiatives. 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!