Co-Founder & Head of Engineering / CTO for CyberSecurity Startup

Berlin • Cybersecurity & AI Startup • Recently Secured Significant Funding

We are building a next-generation Identity + AI Enforcement platform in Berlin.

Following newly secured funding, we are looking for a technical co-founder who will architect and build the core product from day one.

We are looking for a hands on Founding Head of Engineering/CTO for a hybrid role based in Berlin. If you are passionate about Cyber Security and AI tech, thrive in fast-paced environments, and have experience building complex platforms, this is your opportunity to make a lasting impact.

Responsibilities

• Own the entire technical architecture across identity, AI agent systems, and enforcement.

• Design & implement full technical architecture of the cyber product.

• Build the AI agent identity model, sandboxing, trust scoring, and agent behavior engine.

• Lead engineering execution: roadmap breakdown, sprint planning, delivery.

• Build core services: connectors, policy engine, risk engine, real-time enforcement layer.

• Hire and lead the initial engineering team.

• Work closely with the CEO on high-level technical direction.

• Support enterprise sales with technical deep dives, PoCs, and security validation.

• Maintain high standards of security, reliability, and architectural quality.

• Co-build the product vision to establish the leading cyber technology of Europe as well as the most effective platform.

• Establish the technological foundation of a platform, including the data infrastructure.

• Develop and execute the company’s technology strategy and roadmap.

• Recruit and lead an in-house, top-tier engineering team.

• Manage the company’s data, including storage, analysis, data privacy, and security.

• Make Europe and world more Cyber resilient!

Requirements

Requirements and Skills

• 10+ years experience in tech leadership roles

• 10+ years experience in backend engineering and system architecture.

• Proven ability to design and ship complex distributed systems.

• Strong understanding of OAuth/OIDC, API keys, tokens, scopes, identity flows.

• Knowledge of RBAC/ABAC or fine-grained access models.

• Exposure to Zero Trust principles, access control models, or identity governance.

• Experience with AI/LLM systems, agent logic, or willingness to learn fast.

• Understanding of SaaS integration security, OAuth app marketplaces.

• Hands-on mentality; can build MVP and early architecture yourself.

• Experience integrating with multiple SaaS systems and APIs.

• Strong security mindset and understanding of modern attack surfaces.

• Ability to move fast, take ownership, and operate independently.

• Experience managing small engineering teams in early-stage environments.

• Hands-on experience with infrastructure-as-code (Terraform) and cloud deployments.

• Prior startup experience.

• Low ego, high commitment, and a true founder mentality.

Nice to Have

• Experience with AI/LLM systems, multi-agent orchestration, or agent frameworks.

• Experience with policy engines (custom enforcement logic).

• Experience building event-driven architectures or streaming systems (Kafka, Pub/Sub).

• Familiarity with token analysis, secret scanning, or credential hygiene.

• Experience with cloud IAM (AWS/GCP/Azure roles, service principals).

• Experience with risk scoring, anomaly detection, or behavior-based systems.

• Exposure to agent sandboxing, isolated execution, or container micro-VMs.

• Previous experience in cybersecurity, identity startups.

• Understanding of graph dat