Co-Founder & CTO (gn) @ Agentic AI Cybersecurity Platform, Berlin

Co-Founder & CTO (gn) @ Agentic AI Cybersecurity Platform, Berlin Join to apply for the

Co-Founder & CTO (gn) @ Agentic AI Cybersecurity Platform, Berlin

role at

Atlantic .

About the Venture

We are building a next-generation Identity + AI Cybersecurity platform designed to secure how modern SaaS systems, users, and AI agents interact. Our platform combines identity modeling, real‑time policy enforcement, and AI‑driven risk analysis to help enterprises manage access, trust, and security in an increasingly agent‑driven world.

Having just secured pre‑seed funding, we are now moving into build mode. You will join a technical CEO and early founding team in Berlin to architect, design, and ship the core platform from day one.

About the Role

We are looking for a deeply technical Founding CTO (or even a Founding Engineer) who will take full ownership of the platform architecture and build the first version of the product. This is a hands‑on role where you will spend meaningful time writing production code while defining the long‑term direction for engineering, security, infrastructure, and team growth.

Responsibilities

Own the full technical architecture across identity, AI agent systems, and enforcement

Design and implement identity models, permission graphs, token lifecycle, and SaaS risk flows

Build the agent identity model, sandboxing framework, trust scoring, and behavior engine

Write production‑grade backend code (4–6 hours/day in the early stage)

Lead engineering execution across roadmap planning, sprints, and delivery

Build core services including connectors, policy engine, risk engine, and real‑time enforcement

Partner with the CEO on system design, product direction, and technical strategy

Support enterprise customers with technical deep dives, PoCs, and security validation

Maintain high standards of security, reliability, and architecture

Define and establish the long‑term technology strategy and data infrastructure

Hire, lead, and scale an in‑house engineering team

Manage data privacy, secure storage, and analysis frameworks

Contribute directly to building Europe’s most advanced cybersecurity platform

Requirements

Significant experience in backend engineering and system architecture

Ideally, exposure in technical leadership roles

Experience shipping complex distributed systems

Deep understanding of OAuth/OIDC, identity flows, API keys, tokens, scopes

Knowledge of RBAC/ABAC or fine‑grained access systems

Familiarity with Zero Trust principles and integration security

Experience with AI/LLM systems or ability to learn fast

Strong security mindset and understanding of modern attack surfaces

Experience integrating with SaaS APIs

Ability to move fast and operate independently

Experience with Terraform and cloud deployments

Prior startup experience and strong founder mentality

Nice to Have

Experience with agent orchestration or sandboxing

Experience with event‑driven or streaming systems (Kafka, Pub/Sub)

Knowledge of policy engines

Experience with token analysis or credential hygiene

Familiarity with cloud IAM (AWS/GCP/Azure)

Experience with risk scoring or anomaly detection

Understanding of graph databases or unified identity graphs

Prior cybersecurity or identity experience

Product leadership or prior founder experience

Why Join Us?

Co‑founder equity with meaningful upside

Full technical ownership

Founding team influence and responsibility

Fast‑paced environment with customer exposure and PoCs

Cutting‑edge work across identity, SaaS security, and AI agent governance

Strong learning curve and growth potential

Berlin location with hybrid flexibility

Direct impact on building Europe’s leading cyber platform

Seniority level Director

Employment type Full‑time

Industries Venture Capital and Private Equity Principals, Computer and Network Security, and Software Development

Referrals increase your chances of interviewing at Atlantic by 2x.

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