Senior Application Security Engineer
Treatwell is hiring for Senior Application Security Engineer in Spain. Remote, Senior level. First seen October 28, 2026; open as of November 5, 2026. Jobs taken straight from company career pages — no aggregator in between.
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- Company
- Treatwell
- Where
- Spain
- Arrangement
- Remote
- Level
- Senior
- First seen
- October 28, 2026
- Listed via
- Workable
What the posting says
You will write code, read a great deal more of it, and own the security tooling in our pipelines. Our applications are Java and Spring Boot across Marketplace and Payments, Ruby on Rails in our SaaS products, React and TypeScript on the web, native iOS and Android apps in Swift and Kotlin, and a small amount of PHP. Marketplace and Connect ship through GitLab CI and ArgoCD onto Kubernetes (EKS) in AWS; Salonized ships through GitHub Actions. Everything is monitored in Datadog, and findings from secrets detection, dependency scanning and SAST flow into a self-hosted DefectDojo. This is…
Read more and apply on Treatwell's site
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