Senior AI Fullstack Engineer – Python​/React

Kertos Intro

Kertos is the fastest-growing compliance startup in Europe.

Following our €14M Series A, backed by leading VCs and business angels, we are building the compliance engine for Europe – faster, smarter, and more automated than ever.

With customers like Enpal, Flink, Personio, and Blacklane, leading companies trust our AI-native platform that automates compliance, scales effortlessly, and makes organizations audit-ready in record time.

The market is growing by 20% every year, fueled by regulations like GDPR, NIS2, DORA, and the AI Act. We are perfectly positioned to establish Kertos as the European compliance champion.

There has never been a better moment to join our team.

Come shape the future of compliance in Europe with us.

As a Fullstack Engineer at Kertos – the European Champion for Compliance Automation – you’ll play a key role in shaping our platform into a product of its own class. We turn compliance from a yearly fire drill into a continuous, low-friction product experience.

You’ll build end-to-end product experiences – backend to UI – that help companies stay secure, prove trust, and move faster without sacrificing quality. In a cross-functional squad, you’ll ship improvements weekly, shape product decisions, and directly influence how modern compliance is done across Europe.

We work in three cross-functional product squads, each focused on one of our core internal products or solutions.

Squad composition:

• 1 Product Manager, 1 Product Designer, 3–4 Fullstack Engineers, 1 Tech Lead
• Collaboration style: Flat hierarchies, shared ownership, and strong cross-functional teamwork

• Backend: Python (Django)
• Frontend: React.js, Type Script
• Infrastructure: AWS, Docker, Kubernetes, terraform, ArgoCD, Karpenter
• AI: Lang Chain, Lang Graph, Langfuse
• Dev Ops & Tools: We experiment with cutting-edge tools like Claude Code, Cursor, Copilot, Raycast – and encourage you to push for the best setup for your work

• Build the European Champion for Compliance Automation: Develop and maintain Kertos as the cutting‑edge category leader. Ship features that cut audit preparation from weeks to hours.
• Work across our full tech stack: Build end-to-end product experiences that make compliance actions feel effortless – from API to UI.
• Make automation feel magical (and safe): Improve recommendations, workflows, and system reliability so customers can trust the platform.
• Own the process: Drive your work from concept to delivery – and experience the user impact
• Boost product quality: Improve product reliability so customers can trust automation with sensitive processes
• Shape engineering excellence: Improve developer experience, quality, and delivery speed through better tooling, testing, and processes.

• Degree in Computer Science, Informatics or equivalent experience
• Proven track record as a Software Engineer with a focus on web applications
• Experience with software testing and quality assurance practices
• Technical knowledge in parts of our stack:
  Type Script (React), Python (Django / FastAPI), databases & migrations, Docker
• Strong problem-solving skills,
  ownership mindset
  , and a passion for building impactful products
• Experience with AI engineering is a nice to have

• You are Kertos: Don’t like something? Could be done better? You have the freedom to push things forward and contribute to making Kertos a great place to work
• Unique opportunity: Join the growing team of one of Europe’s most promising early stages companies and to work directly with our CTOAlex
• European funding in the millions: The EU has funded our AI research with a total of over 2 million euros
• Regular Feedback: We foster an open feedback culture and support your growth with regular 1-on-1 meetings
• Full Flexibility: Whether at the Berlin office, our Munich HQ or at your home office – we are flexible, and you'll be happy
• Keep growing: To boost your professional and personal growth, we provide you with a Personal Development Budget of 1.500€ per year
• Cutting Edge Technology: Leading VCs have invested in our vision to revolutionize how compliance measures…