AdTech Holding is an Innovation hub based in Cyprus, which creates vibrant startup ecosystems and technologies for AdTech & MarTech projects.
Since 2011, AdTech Holding has been a starting point for an array of industry-leading advertising and digital marketing companies (PropellerAds, Zeydoo etc). Holding brings the most daring ideas to the market and creates cutting-edge solutions to deliver technology globally.
We are looking for an Application and AI Security Engineer for our Security Department!
Responsibilities:
- Run security reviews of services, integrations and public APIs before they go to production, including manual review of critical code.
- Do threat modeling for new features with product teams at the design stage.
- Own security checks in the development lifecycle (static analysis, dependency scanning, secret detection), covering coverage, rules and triage of findings with teams.
- Build a unified vulnerability management process, including the vulnerability register, prioritization, SLAs, retesting and bug bounty.
- Secure AI integrations and define access policies for service and AI agent accounts.
- Run penetration tests and audits: scope them, accept the results and follow findings through to systemic fixes.
- Develop and maintain standards and practices for developers, including secure development requirements, guidelines and team training.
Requirements:
- 3+ years of experience in application security, covering code and architecture reviews, SAST, DAST, SCA and OWASP.
- Strong manual testing skills and hands-on experience with static analysis, including writing your own custom rules.
- A solid understanding of how authorization works in practice: OAuth, OIDC, JWT, token scopes and delegated permissions.
- Ability to read PHP, Go and JavaScript code and to automate tasks in Python or Bash.
- Ability to drive results with teams you don’t manage directly, including through security champions.
- Interest in LLM application security, such as prompt injection and AI agents’ access to data.
- Working proficiency in Russian and English.
What you should know
- Manual testing with Burp Suite or ZAP
- Static analysis
- Dependency scanning
- Secret detection in code
- Vulnerability management
- OWASP Top 10
- OWASP API Security Top 10
- OWASP Top 10 for LLM Applications
- ASVS
Our stack:
- Languages: PHP (Symfony), Go, JavaScript/TypeScript, Python
- Data: PostgreSQL, MySQL, ClickHouse
- CI/CD: Docker, GitLab/GitHub, TeamCity
- Security: SonarQube, Nessus
- OS: Linux
Nice to have:
- Experience in AdTech or other high-load environments
- DevSecOps experience
- Experience testing LLM applications
- Bug bounty or CTF experience
- OSWE or GWEB certification
We offer freedom of choice: with us, you'd have a cafeteria benefits system where you can choose which benefits would fit your individual needs.
And, of course, a standard pack of benefits as well: health insurance, fully covered 10 working days of sick leave per year, 5 additional day-offs per year, English and other languages compensation, quarterly, and annual bonuses, corporate events, gifts, gym at the office, also food (yummy!) - you can find snacks in our worldwide working spaces and breakfasts & lunches in the offices!
Please note, that by applying to this position, you confirm your consent to the processing of your personal data for recruitment purposes