At ING we are looking for a Software Backend Engineer 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 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. As a Software Engineer Backend for one of our tribes you should have the following knowledge and experience: Good coding Skills on all Middleware layer: Java 8/11/17/21 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, Maven. JPA, Oracle, JDBC Git. DDD. Backend & Devops awareness (understand the global architecture / infrastructure). Docker, Openshift or Kubernetes. 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. Feature Flags Retail banking knowledge. Database migration tools (such as Flyway, Liquibase). DevOps Skills. Grafana ELK STACK (Elastic Search, Logstash, Kibana). Security: JWT, Mutual TLS, Access token. Ansible. BDD. Automatic testing (Selenium, Cucumber). Reactive programming: futures. 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. 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 adaptable 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. 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! Make this the place where you grow. We are HCLTech, one of the fastest-growing large tech companies in the world and home to 220,000 people across 60 countries. We supercharge progress through industry-leading capabilities centered around Digital, Engineering, Cloud, and AI. Our diverse, creative, and passionate people are the driving force behind our work, consistently raising the bar for excellence. We strive to help our employees find their spark and become the best version of themselves Responsibilities Analyse business and technical requirements to design and develop robust backend solutions supporting omni-channel retail and order management processes. Develop, test, debug, and deploy Java-based microservices, ensuring scalability, reliability, and performance. Design and implement integrations with Order Management Systems and retail platforms, supporting key flows such as order orchestration, inventory visibility, fulfilment,



returns, and payment flows. Maintain and improve existing services, ensuring high code quality, maintainability, and reliability. Troubleshoot and resolve software defects, integration issues, and performance bottlenecks. Collaborate with the Support team to investigate and resolve production incidents related to omni-retail and order management services. Work with the DevOps team to implement and improve CI/CD pipelines, automation, and deployment processes. Review functional specifications and translate them into scalable and maintainable technical solutions. Collaborate with QA Engineers to support testing strategies and contribute to automated testing. Contribute to the continuous improvement of the Product/Solution by recommending technical enhancements and optimizations. Participate actively in Agile ceremonies (daily stand-ups, sprint planning, sprint reviews, retrospectives). Qualifications & Experience Technical Skills 5+ years of experience as a Java Software Engineer, with strong expertise in Java 21 and the Spring ecosystem (Spring Boot, Spring Data JPA, Hibernate, Spring Cloud). Proven experience developing microservices-based solutions using event-driven architectures and API first principles. Experience working with Order Management Systems (OMS), Fluent Commerce, supporting order orchestration and omni-retail processes. Strong experience designing and implementing RESTful APIs (OpenAPI/Swagger) and working with JSON, XML, and GraphQL. Experience building omni-retail and e-commerce solutions, including order lifecycle, inventory visibility, fulfilment, returns, payment flows. Proficiency with databases such as MySQL, and MongoDB. Hands-on experience with containerized and cloud-native environments, including Docker, Kubernetes, and CI/CD pipelines (GitLab). Experience working with event messaging systems and integration patterns (e.g., AWS SQS, Solace, Pub/Sub architectures). Familiarity with security best practices including OAuth2, OIDC, and IAM solutions such as Keycloak and Okta Experience with modern development and testing tooling, including IntelliJ, SonarQube, Datadog, Insomnia, and the Atlassian suite (Jira, Confluence). DevOps & Tooling Build & IDE: IntelliJ, Maven Code Quality & Security: SonarQube, Snyk Strong problem solving and analytical skills. Excellent communication and ability to work with multinational, cross-functional teams. Proactive, self-driven, and eager to learn new technologies. Ability to work independently in a fast-paced Agile environment. Education & Language Bachelor’s or master’s degree in computer science, Software Engineering, or a related field. Fluency in English (French or other languages is a plus). Why Us Permanent contract Private health and life insurance from day one in the company Working hours: Monday to Friday Meal allowance on card/voucher Equality & Opportunity for All Representing 165 nationalities across the globe, we pride ourselves on being an equal opportunity employer, committed to providing equal employment opportunities to all applicants and employees regardless of race, religion, sex, color, age, national origin, pregnancy, sexual orientation, physical disability or genetic information, military or veteran status, or any other protected classification, in accordance with federal, state, and/or local law. Candidate Privacy Notice:

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📌 Devops / Backend Engineer - Python & Cloud (Madrid)
🏢 Infoser New Technologies
📍 Madrid