Our story:
Every year millions of people are either filing their taxes in fear or giving up on their tax refund altogether. We're working on fixing that. Our intuitive app enables anyone, regardless of education or background, to file their taxes with newfound confidence.
Spread across Germany, Spain and the UK, the team at Taxfix Group with its brands Taxfix, Steuerbot and TaxScouts, is a compassionate group of solution-finders. We speak our minds openly, and with over 400 professionals, including tax experts, developers, and IT security experts, we're rich in ideas and voices. The group has facilitated more than 3.5 billion euros in tax refunds for its customers since its founding in 2016.

Your challenge:
We are seeking an experienced Senior Platform Security Engineer to design, implement, and maintain security solutions for our cloud-native infrastructure and AI systems. This role will be responsible for securing our platform across multiple cloud environments, ensuring container and Kubernetes security, protecting AI/ML workflows,



and implementing robust security controls throughout our SDLC. The adecuado candidate will have deep technical and programmatic expertise in cloud-native security, along with demonstrable hands-on experience securing AI/ML systems.

Your responsibilities and decisions:

Cloud & Infrastructure Security
- Design and implement comprehensive security architectures for cloud platforms (AWS, Azure, GCP)
- Implement security best practices for container and Kubernetes deployments
- Develop and maintain secure Infrastructure as Code (IaC) codebases
- Design and deploy zero-trust network architecture and secure service mesh solutions
- Build and maintain secure CI/CD pipelines following DevSecOps principles

AI/ML Security
- Secure AI-powered product features end to end, covering context assembly, tool invocation, and output handling
- Design and review security controls for RAG implementations
- Secure agentic solutions and their extension point

📌 Senior Platform Security Engineer (Madrid)
🏢 Taxfix
📍 Madrid