Senior Software Developer @ING Hubs Romania

REQ-10119526
11/08/2026
IT Engineering
Bucharest, Romania
ING Hubs

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Discover ING Hubs Romania

ING Hubs Romania offers 130 services in software development, data management, non-financial risk & compliance, audit, and retail operations to 24 ING units worldwide, with the help of over 2000 high-performing engineers, risk, and operations professionals.

We started out in 2015 as ING’s software development hub, then steadily expanded our range to include more services and competencies. Now we provide borderless services with bank-wide capabilities and operate from two locations: Bucharest and Cluj-Napoca.

Our tech capabilities remain the core of our business, with more than 1800 colleagues active in Data and Analytics Tech, Tech Foundation and Channels, Retail Core Banking and Architecture, and Global Products and Technology Services.

We enjoy a flexible way of working and a highly collaborative environment, where fair and constructive feedback is encouraged.

For us, impact isn't a perk. It's the driver of our work. We are guided and rewarded by a shared desire to make the world a better place, one innovative solution at a time. Our colleagues make it their job to do impactful things and they love doing it in good company. Do you?

The Mission

ING Bank’s Mobile App department is a fast environment, with major exposure to other ING markets. The technology which our mobile app is based on is shared with many other ING mobile apps and with our teams we make design, build and run the mobile flows which are used by millions of mobile app users in multiple countries where ING bank has its presence. On the backend side, we build highly performant APIs empowering the mobile flows of our clients. We value communication skills and product design mentality greatly, given our landscape of participating teams across Europe and Asia. Proficiency in Kotlin is a plus.

Your day to day

Even if you start your day from the comfort of your home or drink your morning coffee in our office garden, your day will be quite similar when comes to tasks. Here are your daily responsibilities:

As a backend software engineer, you will work in an international environment in our multidisciplinary squads.
Together with business colleagues and native mobile developers you will build the next steps for our mobile app framework in the Mobile Banking department.
We expect you to be responsible and take ownership. Be open, honest, communicate clearly and most importantly be eager to learn and proactively improve yourself and the ecosystem around you.

What you'll bring to the team

Proven track record and proficiency in backend software development (8+ years): Java, Kotlin, Spring, Maven, Sonar, Checkmarx. Proficiency in Kafka and Oracle is a plus.
Experience and thorough understanding of CI/CD and pipelines. We work with Git, Azure DevOps/Github, SonarQube, Docker, OpenShift.
Proficiency in testing methodologies and automated technologies.
Experience with design patterns and different programming paradigms (OOP vs FP).
Proficiency with system architecture and design.
As a proficient engineer you are expected to lead and coach your junior colleagues.
An itch and self-motivation for solving technical and functional challenges.
Great analytical skills and conceptual / architectural understanding, ability to quickly understand new technical concepts that are outside of your comfort zone.
Strong interest and vision in recent trends in software development and technology in general.
We expect the ability to transfer knowledge back to the ING Bank by holding presentations, workshops, documentation and most important: setting new standards for the ways we do tech.
Strong social and communication skills. Being a sparring partner for our business colleagues.
Experience with working in multidisciplinary teams and agile way of working.
Fluent English speaking and writing.

If you want to deep dive into the processing of personal data conducted by ING Hubs Romania during the recruitment process and your rights related to it, read the privacy notices on our website (make sure to scroll until you reach the Data Protection section/ Candidates tab).

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ING’s vision is to unlock our people’s full potential through our inclusive culture where everyone has the opportunity to develop and have impact for our customers and society. To achieve this vision, our policies support diversity, equity, and inclusion. As an equal opportunity employer, we do not tolerate discrimination of any kind with regard to age, gender, gender identity, cultural background, experience, religion, race, ethnicity, disability, family responsibilities, sexual orientation, social origin, or any other status protected by applicable law. If you require any assistance or if we can accommodate you in any way when participating in our application and/or interview process, please email the recruiting contact listed for the relevant position. We will be happy to work with you to ensure a fair and accessible process. Read more about our commitment to diversity, inclusion and belonging here.