Senior Platform Engineer - Product Security (d/f/m)

🚀 Build Secure Systems That Empower Millions

At Taxfix Group, we’re reimagining tax filing for everyone. Through our brands—Taxfix, Steuerbot, and TaxScouts—we’ve helped people reclaim over €3.5 billion in tax refunds. Our mission is clear: make taxes stress-free and accessible to all.

Now, we’re looking for a Senior Platform Security Engineer to strengthen the backbone of our product—our cloud-native infrastructure and AI/ML systems. If you're ready to get hands-on with cutting-edge security challenges in cloud and AI, while collaborating across engineering, data, and DevOps, this role is for you.

🔧 What You’ll Do

• Design and implement secure, scalable infrastructure across AWS, GCP, and Azure

• Secure our containerized environments (Docker, Kubernetes) and service meshes

• Build and maintain secure Infrastructure as Code with Terraform or similar tools

• Lead and enhance CI/CD pipeline security, embedding DevSecOps principles

• Protect AI/ML systems—safeguard training data, prevent model/prompt attacks, and apply privacy-preserving methods

• Respond to cloud and AI security incidents using frameworks like MITRE ATT&CK

• Perform regular risk assessments, threat modeling, and infrastructure reviews

• Collaborate across engineering, operations, and data science to integrate security early and often

🧠 What We’re Looking For

• Solid experience in cloud-native security and software engineering

• Proficient in Python, Terraform, and container tools (Docker, Kubernetes)

• Practical experience securing AWS, GCP, or Azure environments

• Familiarity with CNAPP tools like Wiz, Sysdig, or AquaSec

• Exposure to security incident response and detection strategies

💡 You’ll Thrive If You...

• Enjoy ownership and hands-on problem solving

• Learn fast and navigate ambiguity with confidence

• Communicate clearly with both engineers and non-technical teams

• Are humble, collaborative, and always curious to improve

✅ Nice to Have

• Certifications: OSCP/OSWE, AWS/GCP Security or Architect, Network certifications

• Knowledge of JavaScript frameworks like React or Node.js

• Experience working with AI/ML security or privacy-preserving technologies

💚 Why Taxfix?

• 🏖️ 30 vacation days + flexible working hours

• 🌍 Work from abroad up to 6 weeks per year

• 🐶 Dog-friendly office

• 💸 Employee stock options—everyone shares in our success

• 🧘 Wellness budget, mental health coaching, and yoga sessions

• 💼 Free tax filing via our app—and internal support for your personal taxes

🙌 Join Us

We’re building the future of tax filing—and we’re securing it at every layer. If you’re passionate about building resilient systems and bringing clarity to complex challenges, we’d love to hear from you.

🌈 We’re committed to diversity and inclusion. Please skip adding a photo, age, or marital status—let your experience and perspective speak for itself. Even if you don’t meet every requirement, we encourage you to apply.

Excited? So are we. Learn more about Team Taxfix on our blog and get a glimpse of our culture.

Not sure if you meet all the requirements for this role? Please apply anyway. You might bring something special to the team that we hadn't considered previously.