Senior Backend Engineer

Role Summary As a Backend Engineer, you will be part of a cross-functional squad responsible for designing, developing, and maintaining backend services. You’ll contribute to building secure, high-performing applications while embracing modern engineering practices. What you’ll do: Develop and maintain robust backend applications and services Design and implement RESTful APIs and integrate with databases and messaging systems Write automated tests and support continuous delivery practices Collaborate with team members to define and deliver business-driven solutions Apply security best practices throughout the development lifecycle Contribute to code quality, technical discussions, and team knowledge sharing Stay updated with evolving technologies and engineering practices About the Team You’ll join a globally distributed team made up of engineers, product owners, and other specialists working together across locations. The team values collaboration, knowledge sharing, and continuous improvement, creating an environment where different perspectives strengthen outcomes. Working at ING means being part of a purpose-driven organization focused on empowering people to stay a step ahead in life and business—while giving you opportunities to grow your skills and expand your impact. Required Skills We’re looking for individuals with a strong foundation in backend engineering and a collaborative mindset. Must-have: 3+ years of experience in backend development Proficiency in Java (Java 8 or higher; Java 11+ preferred) Solid experience with Spring and Spring Boot frameworks Hands-on experience with RESTful API development Familiarity with Git or similar version control tools Experience in test automation (e.g., JUnit, Mockito) Strong understanding of software engineering fundamentals (OOP, design patterns, TDD) Effective communication skills and ability to work in global teams Nice to have: Experience with SQL, JPA, or Hibernate Exposure to microservices architecture and containerization Experience with CI/CD tools and pipelines Agile ways of working and adaptability to change What We Offer A collaborative global environment where you can grow your career Opportunities to work on impactful projects used internationally A culture that supports innovation, learning, and continuous improvement Exposure to modern tools, technologies, and engineering practices A diverse and inclusive workplace where different perspectives are valued Equal Opportunity Gender shouldn't define career success. Here, you’ll earn equal pay for equal work because we know that talent knows no gender. Job Application Safety Reminder ⚠️ We’re seeing an increase in fraudulent job offers. To protect yourself, please follow these key guidelines when applying for roles at ING: Apply only via official ING platforms: ING uses Workday as its internal recruitment system. Applications should be submitted only via our official career site. Check the sender’s email carefully: legitimate communication will always come from: @ing.com and/or @myworkday.com No payments or banking details will ever be requested. If someone asks for this information, it’s a scam. 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.