Nebius Academy (powered by TripleTen) provides assessments and training for tech companies and aspiring professionals worldwide, helping companies & individuals transform their lives through career development and acquiring the new skills needed as a tech professional.

Our focus on data science, machine learning, and generative AI helps tech-forward companies level up their employees' skills and drive innovation.

We are looking for an Application Security Engineer to own product security end to end — from threat modelling and secure design reviews to vulnerability management and security controls embedded into CI/CD.

You will work closely with product and platform teams to make security part of the engineering process, building secure defaults and helping prevent vulnerabilities from reaching production without slowing development down.

Requirements:
- 5+ years of engineering experience, including at least 2 years focused on Application Security or Product Security.
- Strong software engineering background with the ability to read, review,



and write production code; Python experience is highly preferred.
- Deep practical knowledge of web application security, including OWASP Top 10, ASVS, authentication and session management, OAuth2 / OIDC / SAML, and authorization issues such as IDOR and broken access control.
- Experience securing multitenant or B2B SaaS products, including tenant isolation, RBAC / ABAC, and access control models.
- Hands-on experience embedding security into CI/CD, including SAST, SCA, secrets scanning, container scanning, and IaC scanning.
- Strong experience with threat modelling, secure design reviews, and secure code reviews in collaboration with product and engineering teams.
- Experience managing vulnerabilities based on risk, criticality, and exploitability, including remediation prioritisation and escalation when needed.
- Working knowledge of AWS and Kubernetes security, including IAM, secrets management, network boundaries, and wor

📌 Application Security Engineer (España)
🏢 Tripleten
📍 España