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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Security Engineer - **Company:** Flanks - **Location:** Barcelona, Spain - **Salary:** €60,000.0 - €68,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Software System Penetration Testing, Cloud Computing Security, Intrusion Detection and Prevention, Information Systems Security Architecture Professional, Python (Programming Language), Open Source Technology, Systems Development Life Cycle, Google Cloud, Software Security, Kubernetes, Security Orchestration, Automation & Response - **Published:** July 21, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role + Deep experience in ethical hacking, pentesting, and secure software design. + Strong knowledge of Python, JavaScript, Kubernetes, and GCP. + Ability to understand code, automate security tasks, and design scalable defenses. + Hands-on with cloud security, appsec, and infra security. + Self-driven, curious, and collaborative - a true security builder. + Language Proficiency: Professional proficiency in both English and Spanish to collaborate effectively in our bilingual environment ️. Bonus points + Experience with security automation or detection engineering. + Contributions to CTFs, security research, or open-source projects. If this sounds like you, don't worry if you don't check every single box-we'll support your growth along the way. ## Description We're looking for a Senior Security Engineer to join the Security Team at Flanks and take a leading role in strengthening our security foundations. You'll help us stay secure and resilient across all layers - from code to cloud - working closely with engineers and leadership to make security a core part of how we build. We want someone with a hacker's mindset, strong technical skills, and a proactive attitude. Someone who doesn't just find vulnerabilities, but fixes them and improves the system for everyone. What you'll do ️ + Continuously evolve our tools, practices, and culture of security. + Lead security initiatives across our stack (apps, infrastructure, and processes). + Define and implement security best practice along all SDLC + Collaborate with teams to design secure architectures and validate security requirements., 2. You'll have a chat with our People Operations Specialist, Nicolás Guilarte. 3. A meeting with our CTO, Sergi Lao 4. A technical discussion meeting with some of Flanks team members. 5. Any extra meetings you (or we) might need to iron out any questions. 6. We send you an offer! We aim to keep things moving fast-ideally wrapping things up in one to four weeks. If this sounds like a good fit for you, we'd love to hear from you. Don't hesitate to send us your CV and/or cover letter. ️ At Flanks, we believe in fostering diversity and inclusion across everything we do. We're proud to be an equal opportunity employer, and we welcome all applications regardless of race, religion, gender, age, or disability status. Additionally, we have an Equality Plan in place to ensure fairness and inclusivity in all our policies and practices. Inscribirse en esta oferta Recibir ofertas similares por correo electrónico Al crear una alerta, aceptas nuestros Términos y condiciones y Política de privacidad, y el uso de cookies. ## Related Videos - [Software Security 101: Secure Coding Basics](https://www.wearedevelopers.com/videos/220-software-security-101-secure-coding-basics) - [The Cloud is Calling: Answer with In-Demand Skills](https://www.wearedevelopers.com/videos/945-the-cloud-is-calling-answer-with-in-demand-skills) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Understanding Kubernetes in a visual way](https://www.wearedevelopers.com/videos/100085-understanding-kubernetes-in-a-visual-way) - [Security Blindspots and How to Learn About Them - Anna Oliveira](https://www.wearedevelopers.com/videos/1754-security-blindspots-and-how-to-learn-about-them-anna-oliveira) - [Unleashing the Power of Developers: Why Cybersecurity is the Missing Piece?!?](https://www.wearedevelopers.com/videos/712-unleashing-the-power-of-developers-why-cybersecurity-is-the-missing-piece) ## Related Articles - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Dev Digest 138 - Are you secure about this?](https://www.wearedevelopers.com/magazine/486-dev-digest-138-are-you-secure-about-this) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)