Senior Software Engineer (Python) – GenAI Platform

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. 
• Languages & Frameworks: Python (expert), FastAPI, Flask 
• Cloud & Infrastructure: Azure, AWS, Docker, Kubernetes, Helm 
• DevOps & CI/CD: Git, Azure DevOps, YAML, Artifactory, Poetry 
• Mentor and support team members, fostering a culture of continuous improvement and knowledge sharing. 
• Languages & Frameworks: Python (expert), FastAPI, Flask 
• Cloud & Infrastructure: Azure, AWS, Docker, Kubernetes, Helm 
• DevOps & CI/CD: Git, Azure DevOps, YAML, Artifactory, Poetry 

Technologies You Will Work On:

• 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) 
• 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. 
• Data & AI: Azure AI Suite, Databricks Mosaic AI (future) 
• 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. 

Key Responsibilities :

• 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 

What Do We Offer?

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.

Who You Are:

• 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.