David Kennedy Recruitment is working with a rapidly growing technology company with over 50 million users worldwide that is seeking to onboard a Security Engineer to join their R&D; team.
As the company's sole dedicated Security Engineer, the successful candidate will take end-to-end ownership of security operations, covering application security, vulnerability management, governance and risk, and emerging AI security challenges.
The company's products include adult/NSFW content, so candidates must be fully comfortable working with this material.Position: Security Engineer (AppSec / GRC / AI Security) Location: Europe/ASIA, Remote Employment type: B2B engagement preferredDUTIES AND RESPONSIBILITIES: Application security: review code, find and fix vulnerabilities, work with developers in Git/GitHub, and coordinate external pen tests and audits.
Governance, risk and compliance: build and maintain the security risk register, assess exposure across systems, support audit follow-up, and prioritise fixes by risk and business impact.
Monitoring and awareness: watch alerts and threats,



run awareness programmes and phishing simulations, and provide occasional evening and weekend cover.
IT security and access: handle secure onboarding and offboarding, device security (MDM) and access permissions, and tighten internal controls.
AI security: track risks to generative AI platforms (prompt injection, jailbreaks, filter bypasses) and vulnerabilities in third-party AI providers.
REQUIREMENTS: 2–3+ years of hands-on security engineering experience, with flexibility for exceptional scale-up experience Strong application security experience, including code reviews and vulnerability remediation Proven experience conducting or coordinating security audits and penetration tests Comfortable coding and working directly with Git/GitHub Practical scripting or automation skills, ideally Python or Bash Previous experience within an AI company or a scale-up with 50+ employees Sound understanding

📌 Security Engineer (España)
🏢 David Kennedy Recruitment
📍 España