Taxfix

Senior Platform Security Engineer

Taxfix
Apply
2 days ago
Madrid, SpainSenior

Responsibilities

  • Design and implement security architectures for AWS, Azure, and GCP cloud platforms.
  • Secure containerized and Kubernetes deployments and maintain secure Infrastructure as Code codebases.
  • Design zero-trust network architectures, secure service meshes, and DevSecOps-oriented development pipelines.
  • Secure AI-powered features, RAG implementations, agentic solutions, tool integrations, autonomous action boundaries, and LLM applications against adversarial inputs.
  • Implement data security controls for sensitive data used in inference, retrieval, and fine-tuning.
  • Lead cloud and AI infrastructure security incident response, monitoring, detection, threat modeling, risk assessments, and security assessments.
  • Create and maintain security policies, procedures, documentation, and runbooks.
  • Collaborate with development, data science, operations, and technical and non-technical stakeholders on security requirements and tooling decisions.

Requirements

  • At least 5 years of information security experience, including at least 3 years specializing in cloud security.
  • At least 3 years of hands-on experience securing containerized environments, including Docker and Kubernetes.
  • Demonstrable hands-on experience securing AI/ML or LLM-based systems.
  • Strong experience with at least one major cloud provider: AWS, Azure, or GCP.
  • Expertise in container security, Kubernetes security, and cloud-native security patterns.
  • Proficiency with Infrastructure as Code tools such as Terraform or CloudFormation.
  • Strong understanding of network security, identity management, and access control, plus experience with cloud security tooling such as CSPM.
  • Working knowledge of AI/ML and LLM security, including TensorFlow and PyTorch security implications.
  • Proficiency in Python, Go, or Bash and experience with security automation and orchestration.
  • Preferred qualifications include deep LLM and generative AI security experience, familiarity with OWASP LLM Top 10 and AI governance, secure multi-tenant AI infrastructure experience, privacy-enhancing technology experience, open-source security or public research contributions, and experience building security tools or automation frameworks.

Benefits

  • Meaningful work with an international team and opportunities for collaboration and socialization.
  • Free mental health coaching sessions and a monthly flexible services allowance.
  • Employee stock options for all employees.
  • 30 annual vacation days and flexible working hours.
  • Work from abroad for up to six weeks each year with team alignment.
  • Free tax declaration filing and internal personal tax support.
  • Dogs are welcome in the office.
Taxfix

About Taxfix

201-500 employees

Taxfix builds a mobile and web platform for individual taxpayers and freelancers to file income tax returns, featuring a guided Q&A flow and optional expert filing by certified advisors. The Berlin‑headquartered, privately held company, founded in 2016, monetizes via fees per return and operates in Germany, Spain, and the UK; its portfolio includes the Steuerbot product in Germany.

Contact me