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Software Backend Engineer role at ING – shape robust microservices in a hybrid Madrid office.
Join ING’s tech team for flexible work, cutting‑edge DevOps, and global impact in fintech.
Software Backend Engineer
Location: Madrid, Spain
Your role and work environment:
We are looking for a talented and enthusiastic Software Engineer Backend to join us.
Your key responsibilities:
As an experienced Software Engineer Backend , your aim will be:
- To design, develop and test the code that will shape the different components of the application, ensuring that they meet the requirements of functionality, quality and performance.
- To deliver in Production a working software by giving the best use to technology and development practices. It includes the documentation and parameters that can help reaching that goal. To support Production by analysis and fixing any bugs that occurs. Contribute to improve the technical discipline by collaborating with the cross technical chapter.
- As an expert in the Backend area, you specifically add value on that technical layer but always keep in mind the rest of the technical stack as part of the Squad responsibilities.
Your major responsibility areas:
- Coding
- Stories Refinement
- Environments management
- Release
- Monitoring
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!
As a Software Engineer Backend for one of our tribes you should have the following knowledge and experience:
Essential
- Good coding Skills on all Middleware layer: Java 8/11/17/21
- Spring (Boot, MVC, CORE, Security, Dependency Injection).
- Microservices: Hexagonal architecture, APIs composition, RestFul, OpenAPI, Swagger.
- Design Patterns, SOLID, Clean Code, Software Craftmanship.
- Testing: Unit Testing (Techniques: White-box/ Black-box, What is a unit?); Type of testing (unit testing, integration and smoke); Junit; Contract Testing; Framework mocks (Mockito, Mockmvc, Wiremock, Powermock).
- Maven.
- JPA, Oracle, JDBC
- Git.
- DDD.
- Backend & Devops awareness (understand the global architecture / infrastructure).
- Docker, Openshift or Kubernetes.
- CI / CD pipelines.
- Experience working with Azure Devops (pipelines).
- 5 years of experience on similar technical stack.
- Agile team experience with SCRUM or Kanban or XP.
- Excellent speaking and writing skills in English is a must.
Desirable
- MSA Patterns: Circuit Breaker, Api Gateway, Service Discovery.
- Feature Flags
- Retail banking knowledge.
- Database migration tools (such as Flyway, Liquibase).
- DevOps Skills.
- Prometheus.
- Grafana
- ELK STACK (Elastic Search, Logstash, Kibana).
- Security: JWT, Mutual TLS, Access token.
- Ansible.
- BDD.
- Automatic testing (Selenium, Cucumber).
- Reactive programming: futures.
- Akka, Scala.
- Message Brokers (such as RabbitMQ, Kafka).
- NoSQL knowledge (such as Cassandra, MongoDB).
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…
Free company shuttle.
It doesn't matter where you live. We have 6 routes (North, Central, South, A5, A42 and A6) to get you to our ING office in Madrid comfortably.
Banking benefits.
Special loans with more beneficial conditions.
Special mortgage conditions after 6 months working at the bank.
And you can benefit from our pension plan after 1 month with us!
More vitality and more belonging
360º care of the employee (physical, mental, social connection & purpose).
Physiotherapy service on site.
Clinics with professional, world‑class athletes.
Gympass service.
Employee Networks: Rainbow Lions (LGBTQI+), Leonas & RIÑG.
International Remote work program.
Get to know Us
We are a team of more than 1700 people sharing one idea: doing our bit in helping our clients create a better future for themselves , by providing them with the tools they need to get where they want to go.
A fully online bank where technology, innovation, simplicity and transparency are the main ingredients, and the first one to work with agile methodologies .
And although we are based in Spain, we are lucky to work in an international bank with presence in more than 40 countries.
We are proud to have a diverse team, and we are committed to continue developing a culture of Diversity, Inclusion and Belonging to foster a culture of collaboration and innovation that represents all collectives in the society.
And even though we look orange on the outside, we are green on the inside . Our ambition in Sustainability is Empowering (y)our Sustainability journey . We are embarking on our path, for us, but we are also there for when our clients decide to embark on this journey.
Making things happen, helping others be successful, always being one step ahead—that’s our DNA. If you look at yourself in the mirror and your reflection matches our way of being and working… we are looking forward to meeting you!