Senior Security Engineer - AppSec (d/f/m)

Responsibilities

• Challenge your skills against a sophisticated multi-tenant, multi-region environment spanning k8s, GCP (our primary compute) and and separate database services
• Secure a next-gen Kubernetes "satellite architecture" utilizing hardened private compute nodes, VPC peering, and Argo CD for GitOps—a true, modern cloud-native security mandate.
• Partner closely with engineering teams to champion security-by-design and elevate our overall security posture.
• Coordinate and execute threat modeling and advanced security tests across our product and underlying infrastructure.
• Drive triage and remediation using modern, risk-based principles like, while leveraging

Requirements

• The ability to dive deep into the business logic of a complex SaaS application to uncover and verify elusive attack vectors.
• a deep understanding of web/API attack vectors and scalable best practices and how to run workloads securely in a cloud environment (k8s, AWS/GCP/Azure)

Preferred

• Experience navigating
• PCI DSS script security

High-Impact Technical Environment

You won't just follow blueprints; you will holistically influence a shift-left architecture across both application and platform layers.

Modern Technology Stack

• Dive into securing a massive TypeScript monolith alongside Go supporting services, giving you hands-on experience in modern language security and advanced GitHub CI/CD pipeline hardening.
• Web and API: secure the application of the vivenu platform which provides customers with an out-of-the-box ticketing software as well as the underlying API structure

Cutting-Edge Deployment

As a Senior Security Engineer - AppSec (d/f/m) your responsibilities will include:

AI technologies

to accelerate security testing at scale.

Pioneer Security-as-Code

Design, implement, and automate security checks and guardrails (SAST, DAST, and secret scanning) directly into CI/CD pipelines.

Review & Refine

• Perform deep-dive code and configuration reviews, advocating for secure coding practices that support a proactive shift-left strategy.
• What you will need to succeed in this role:

Experience

5+ years of dedicated Security Engineering experience, ideally within a high-growth SaaS, E-commerce, or Fintech environment.

Ownership

A proven track record of autonomously driving security initiatives from conception to completion.

Automation Mindset

Proficiency in at least one programming language for scripting and security tool development (bonus points for automating GRC evidence collection).

Education

A Bachelor’s or Master’s degree in Computer Science, Cybersecurity, IT, or a related technical field (or equivalent practical experience).

Preferred

A background in

• Red/Purple Team operations and advanced penetration testing, paired with the empathy and collaboration skills needed to help dev teams fix software vulnerabilities.
• Hands-on experience with

Terraform

for securing infrastructure-as-code and integrating security testing.

Familiarity with our modern tech stack

• GCP, Golang, and TypeScript
• Why join vivenu?

Live Entertainment Tech

Play a mission-critical role for global brands, redefining fan experiences from festivals to major sports events. Here, you’re part of the business of fun — powered by cutting-edge technology that brings moments to life for millions.

Sustainable Growth

We scale sustainably on a profitable, VC-backed foundation with true product-market fit. This means continuous investment in our people, products, and long-term vision.

Top-tier Team

Collaborate with over 160 dedicated professionals, including leaders from Google, Slack, and Salesforce. Together, we’re shaping the future of live entertainment technology, one decision at a time.

Global DNA

We’re a diverse, merit-driven team spread across six global offices. Talent and impact are what matter here — not hierarchy or background.

Fast Growing, in All Aspects

Sifted consistently ranks us among the fastest-growing scale-ups in Europe. We’re driven by daily learning, shared wins, and collective growth.

Next-Gen Leaders & Insights

Work alongside some of tech’s brightest minds — from Forbes 30 Under 30 founders to Executive of the Year award winners. At vivenu, you’ll help set the standard for the ticketing industry’s future.

vivenu Inclusion Statement

At vivenu, we believe our people define our success – and that we win with bold, diverse minds. The strongest teams are built on different perspectives, experiences, and voices. We’re committed to creating a workplace where everyone feels empowered to contribute, grow, and thrive to shape the future of live entertainment globally.

Check out our mission statement and corporate values here.