Empleos de senior firefox security engineer remote en Madrid

Mozilla Corporation is seeking a Senior Software Engineer, Firefox Security, to design and implement enterprise security features that strengthen Firefox’s security posture across multiple operating systems. You will drive improvements to core security mechanisms and collaborate with teams to investigate issues and deliver robust fixes. The role emphasizes...

Senior Software Engineer, Firefox SecurityRemote SpainWhy Mozilla?The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and...

Mozilla Corporation is seeking a Senior Software Engineer, Firefox Security, to design and implement enterprise security features that strengthen Firefox’s security posture across multiple operating systems. You will drive improvements to core security mechanisms and collaborate with teams to investigate issues and deliver robust fixes. The role emphasizes...

Mozilla Foundation is hiring a Senior Software Engineer to work on addons. (AMO) within the Firefox team. The role focuses on full-stack development using React/Type Script, Django, and My SQL, hosted on Google Cloud, with a strong emphasis on reliability and security. Remote work is available across Spain, Germany, Canada, France, and the UK. The...

Senior Software Engineer, Firefox Securityat Mozilla CorporationTeam: FirefoxLocations: Remote Sweden, Remote UK, Remote France, Remote Germany, Remote Finland, Remote Belgium, Remote Spain, Remote NetherlandsWhy Mozilla?Mozilla Corporation is the non‑profit‑backed technology company that has shaped the internet for the better over the last 25 years. We...

Why Mozilla?Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years.We make pioneering brands like Firefox, the privacy-minded web browser.Now, with more than 225 million people around the world using our products each month, we're shaping the next 25 years of technology and helping...

Mozilla seeks a hands-on Mobile Product Manager focused on Firefox for iOS, with cross‐mobile contributions across Android. You will drive activation, retention, and ship high‐impact features while partnering with engineers, design, data science and TPMs to improve the user journey.You will monitor App Store/Play Console metrics, perform ASO, and tailor...

Nabu Casa is a fully remote organization that serves a globally distributed team. We are seeking a Senior ICT Technician to own internal IT, ensuring secure, reliable computers, accounts and tools across macOS, Windows and Linux, while collaborating with our Cloud engineering team to keep the server landscape secure and well maintained. You will automate...

Lingokids in Spain is hiring a Senior Application Security Engineer to own the security of our React Native app, Ruby backend services and AWS infrastructure. You will design threat models, review architecture, and implement secure tooling in CI/CD. You’ll strengthen supply chain security, triage vulnerabilities and coordinate penetration tests, working...

Ambit Iberia is seeking a Senior AI Security Engineer to help secure the adoption of AI across enterprise environments. You will design, implement and govern security controls for AI-powered solutions, collaborating with cybersecurity, architecture, and AI platform teams to translate strategy into practical controls and patterns.This hands-on role emphasizes...

Senior Security Engineer – Sector Espacio y Defensa | Madrid (Presencial) Eres un/a ingeniero/a de seguridad senior con un perfil técnico sólido y visión global. Aportarás tu experiencia en ciberseguridad a sistemas críticos que manejan información clasificada, y sabrás defender tus análisis ante los más altos niveles de decisión, en un entorno...

Lingokids in Spain is hiring a Senior Application Security Engineer to own the security of our React Native app, Ruby backend services and AWS infrastructure. You will design threat models, review architecture, and implement secure tooling in CI/CD. You’ll strengthen supply chain security, triage vulnerabilities and coordinate penetration tests, working...

Location: Remote - UK, Spain or GermanyThe Opportunity We're partnering with a major international fintech that's making significant investments in cloud infrastructure, cybersecurity and emerging AI technologies. This isn't your typical security engineering opportunity.Our client operates at scale, with a global technology footprint, complex infrastructure...

At The Knot Worldwide, we champion celebration – and that starts with celebrating our people. Our employees are passionate dreamers, thoughtful doers, and lifelong learners who power meaningful moments for millions around the world. We’re united by authentic connection, shared purpose, and a deep commitment to the global community we serve. Here,...

Jobgether is seeking a Staff Application Security Engineer based in Spain to establish and scale a dedicated security function within a high-growth tech environment. You will combine strong software engineering with hands-on application security to improve SDLC, lead threat modeling, and drive remediation across APIs, SDKs, and cloud services. As a senior...

The Mill Adventure is a scale-up with the ultimate mission of building awesome products that will change the way the iGaming industry operates. We started our journey in 2019 with the vision of building a technology-driven organisation and creating a team consisting of the best of the best specialists in their respective fields.Today, we provide a complete...

Paradigma Digital busca un Senior Cybersecurity Engineer para formar parte de su equipo de Ciberseguridad. Diseñarás e implementarás controles de seguridad, analizarás alternativas y diseñarás soluciones seguras y escalables para proyectos de alto impacto.Te incorporarás a un entorno ágil con foco en AI Security, DevSecOps y gobierno de seguridad....

Mozilla Corporation is the non-profit-backed technology company behind Firefox, Add-ons, and more. We seek a Senior Software Engineer - Operations to advance the Add-ons platform with secure, reliable systems and cross-functional collaboration. You will help design features, improve architecture, and ensure safety for millions of users globally.The role...

Mozilla Corporation busca un Ingeniero Senior de Seguridad de Producto para unirse al equipo de Add-ons, con trabajo remoto desde España. Participarás en desarrollo full stack (React/TypeScript en frontend, Django en backend) y fortalecerás la seguridad para usuarios y desarrolladores a nivel mundial.Colaborarás con ingenieros, revisores y la comunidad,...

Scopely is seeking a Senior IAM Security Engineer to design, build, and secure Scopely's identity and access management across AWS, GCP, SaaS, AI tooling, and remote access. This is a hands‑on, cloud‑first role focused on Terraform‑driven automation, least‑privilege design, and secure identity workflows in a fast‑moving engineering environment.You...