Senior Cassandra Engineer

At ING Hubs Spain we are looking for a Senior Cassandra Engineer

We are looking for an experienced Cassandra Engineer to join our Data Services Area and help us build, operate and evolve ING's Cassandra Keyspace as a Service (KaaS) platform.

Your role and work environment:

The team

The purpose of the Global Cloud Tribe is to build and run the target infrastructure platform in a (private) cloud delivery model. This delivery model is based on multi-tenant, self-service, pay-per-use capabilities for application DevOps teams as defined in ING’s ‘One Way of Working’.

The Global Cloud Tribe comprises five Global Areas:

• Infrastructure as a Service
• Data Services
• Integration Area
• Cloud API Management
• Container Area

The data Services Area provides Keyspace as a Service (KaaS) running on noSQL Cassandra. We do operate multitenant and dedicated Cassandra clusters.

KaaS is provided as a complete journey, our centre of expertise provides continued support and advice to teams using Cassandra. The data Services Area strives to be ahead of the game by keeping a close eye on all the metrics and logs to detect possible interruptions before they happen.

Tools like Grafana, Kibana, Prometheus are essential in our strive to provide a performant and resilient platform to our consumers.

Your key responsibilities:

With your pragmatic and delivery-oriented professional attitude, you put your background and experience to good use as an experienced engineer for the platform.

Together with the squad, the Product Manager and the architect, you design, build, test and maintain the KaaS related offerings in ING’s private cloud.

In addition, you use your automation experience and knowledge to propose solutions for modernizing and monitoring, to ensure robust and future proof operations and installations of our service.

As a Senior Cassandra Engineer you will:

• Take ownership of Cassandra Keyspace as a Service that the squad provides to tenants
• Create and maintain code stored in Azure DevOps Repositories, distribute using the tools and pipelines
• Be familiar with Agile / Scrum way of work
• Be a strong team player and cooperate with global ING teams
• Develop a view on improving the deployment and operational methods for our platform/service
• Take part in our 24/7 standby schedule (once up to speed)
• On a regular basis take the Ops-person-of-the-day task
• Execute scheduled tasks that need to be executed to keep the risk score of the team’s services as low as possible

What are we looking for?

Want to know if this job is made for you? These are some of the qualities that we value the most for this role. And if the shoe fits… don’t hesitate to apply!

Our ideal new colleague has:

• 3+ years operating Apache Cassandra in production
• Experience with Cassandra cluster administration
• Data modelling for Cassandra
• Performance tuning and troubleshooting
• Replication, consistency levels and capacity management
• Backup/restore and disaster recovery strategies
• Experience supporting mission-critical Cassandra platforms
• High level of English is a must (C1)

What do we offer?

The time you spend at work, the challenges you face or the lessons you get are very important, but… What about your personal life? At ING we want your work to fulfill you in every way, and that is why we take care of even the smallest details.

Check out what is waiting for you!

Be flexible my friend.

Our model is all about flexibility and accountability. Keeping both our customers and our colleagues needs in mind, you determine together which days you work at home and which you come to ING MAD to offer your best self. Do your thing.

Restaurant card.

So that thinking about what to have for lunch doesn’t take up your time or your cravings.

Our house will be your home.

In our offices you can find electric mobility solutions, doctor, hairdresser, gym, The Good Service (to help you with your errands) and much more!

Health insurance.

For you and all your family (spouse/partner and children).

Life insurance.

We help you protect what matters most to you.

Flexible remuneration.

In addition, you will enjoy our flexible remuneration model, through a more tax-advantaged way, you will be able to access other services such as nursery, transport card, training aids…

Transport allowance.

It doesn't matter where you live, we’ll help you get to the office.

Pension plan.

You can benefit from our pension plan after 1 month with us!

Discover ING Hubs Spain

We’re building something exciting—and we want you to be part of it.

ING is launching the new member of ING Hubs in Spain, an integral part of ING in charge of designing and delivering important technological and operational solutions to make banking frictionless for our customers. ING Hubs play a key role in our ‘Growing the difference’ strategy to become the best European bank. This will be our sixth global hub, joining a network of over 13,000 professionals in the Philippines, Poland, Romania, Slovakia, Türkiye and Spain.

What makes us different?

We have a tech-first mindset: We’re not just a bank—we’re a tech company that happens to do banking. Our new hub will be a center of excellence for scalable, fast, and secure technology.

We have global impact: You’ll be working on solutions that serve more than 34 million of customers in over 38 countries.

We are agile: ING was the first bank to adopt agile at scale. We continue to evolve with a collaborative, cross-functional way of working.

Sustainability at the heart of what we do: We have a role to play in defining new ways of doing business that align economic growth with positive environmental and social impact.

At ING, we believe in diversity, inclusion, and belonging. We’re proud of our international teams and are committed to creating an environment where everyone can thrive. We value authenticity, collaboration, and continuous learning.

We’re looking for curious minds, bold builders, and passionate problem-solvers. If you’re looking for a place to find new ways to drive efficiency and provide superior customer value, where your ideas matter, and where you can grow with purpose—we’re looking forward to meeting you.

#LI-DNI