NN Digital Hub is a subsidiary company of Nationale Nederlanden Group located in Madrid, Spain. We deliver IT services and solutions for the different international Business Units from Nationale Nederlanden Group.
Our objective is to create, deliver and maintain insurance product management solutions, as service propositions to enable any agent (linked or direct), machine or company to create and sell insurance products in Europe in an automated way and real time.
Join our team as a Senior Software Engineer (Python).
As a Senior Software Engineer, you will be at the heart of this transformation. Your expertise will shape the core services of our platform. You will ensure our platform is robust, future-ready, and aligned with NN’s AI strategy, while mentoring peers and driving technical excellence.
What you are going to do:Design, develop, and optimize our platform’s core services and APIs in Python, focusing on scalability, maintainability, and performance.
Build foundational components that enable AI agents and advanced analytics.
Lead the migration from current architecture to target architecture, ensuring high reliability and seamless integration with enterprise data platforms and AI services.
Influence architectural decisions in a multi-disciplinary platform team
Champion best practices in software engineering, security, and cloud-native development, ensuring proper logging, error handling and test automation.
Mentor and support team members, fostering a culture of continuous improvement and knowledge sharing.
Technologies You Will Work On:
Languages & Frameworks: Python (expert), FastAPI, Flask
Cloud & Infrastructure: Azure, AWS, Docker, Kubernetes, Helm
DevOps & CI/CD: Git, Azure DevOps, YAML, Artifactory, Poetry
Testing & Quality: Automated testing (Pytest), unit testing, API/microservices/end-to-end testing, performance/load testing (JMeter), Pydantic for typing and data validation
Data & AI: Azure AI Suite, Databricks Mosaic AI (future)
Key Responsibilities :
Build, maintain and optimize distributed systems and RESTful APIs using Python.
Implement and manage CI/CD pipelines, leveraging Git and Azure DevOps for automated testing and deployment.
Ensure security best practices and compliance standards are embedded in all development activities,
Ensure the platform’s core capabilities are well tested, applying automated testing.
Integrate the GenAI platform with enterprise data platforms and AI services, supporting advanced analytics and AI agent enablement.
Monitor, troubleshoot, and optimize platform performance, logging, and error handling.
Contribute to code quality through refactoring, code reviews, and adherence to coding standards.
Document solutions and operational procedures in internal wikis
As part of our Employee Experience, we offer you a range of competitive benefits that are available to you in order to improve the physical, mental, and professional wellbeing of our workers. Among the benefits are:
We work with a hybrid model
Starting financial aid so you can equip your workspace at home
Allowance and telework subventions
Flexible working hours and 2 months of intensive working hours in summer so you can fully take advantage of your time
We hire a life insurance and a pension plan for all our employees
We establish objectives bonus as a performance reward
You can get to the office as you please. We have a free parking lot for cars, motorbikes, electric cars with chargers, and bikes.
Get to know our flexible retribution facilities such as transport card, nursery checks, health insurance with Sanitas, trainings…
We care about people. That is why we are involved in society by facilitating volunteer actions and time to all our employees.
We care about your wellbeing. We have a Wellness Program available.
We are digital and we love technology. Also, every team works under agile methodology.
8+ years of software engineering experience with strong Python expertise.
Proven track record in building distributed systems and RESTful APIs.
Deep understanding of data structures, algorithms, and design patterns.
Hands-on experience with containerization (Docker), orchestration (Kubernetes, Helm), and cloud services (Azure preferred).
Familiarity with CI/CD, DevOps, and proficiency in version control (Git).
Strong knowledge of automated testing, performance monitoring, and security best practices.
Experience with building packages and serving them through private package repositories.
Analytical and problem-solving skills; excellent verbal and written communication.
Nice to Have :
Experience with Databricks and Mosaic AI.
Knowledge of vector search and AI model serving.
Exposure to cloud-native architectures and serverless computing.
If you are a passionate and experienced Senior Software Engineer (Python) looking for an exciting opportunity to work in a dynamic and challenging environment, we encourage you to apply for this position. We are waiting for you!
Please send your CVs in English language.
In Nationale-Nederlanden we are committed with diversity. We are proud to be an inclusive organization and we offer equal opportunities, regardless of race, cultural background, gender, gender identity, religion, national origin, age, disability, marital status, and sexual orientation. One of our core values is taking care of our employees so they can give their best within a respectful environment.
Top Skills
What We Do
NN Group is an international financial services company, active in 11 countries, with a strong presence in a number of European countries and Japan. Our roots lie in the Netherlands, with a rich history of more than 175 years.
With our 16,000 employees, NN Group provides retirement services, pensions, insurance, banking and investments to approximately 19 million customers. NN Group includes Nationale-Nederlanden, NN, ABN AMRO Insurance, Movir, AZL, BeFrank, OHRA and Woonnu.
NN Group opened for trading on 2 July 2014 on Euronext Amsterdam under the symbol ‘NN’ after its initial public offering (IPO).
For more than 175 years, our company has merged, grown and changed, but the core of who we are has remained the same. At NN Group, we put our resources, expertise, and networks to use for the well-being of our customers, the advancement of our communities, the preservation of our planet, and for the promotion of a stable, inclusive, and sustainable economy.
Our purpose is to help people care for what matters most to them. Because what matters to them matters to us.





