Remote Senior Security Engineer

Mozilla Corporation is seeking a Senior Software Engineer to advance Firefox security. You will design, implement, and ship security features for enterprise users, contribute to Firefox security architecture across multiple OS, and collaborate with cross-functional teams.You’ll bring 3+ years in low-level software, strong C/C++, knowledge of security...

Location: Remote - UK, Spain or Germany The 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...

Wire is seeking a Senior Product Security Engineer to join our Information Security Team in a remote EU setup with periodic travel to Berlin. You will drive product and platform security across authentication, encryption, data handling and APIs, working closely with engineering, product, and other teams.You will review changes for security or privacy...

Jobgether is seeking a Security Engineer (AppSec / GRC / AI Security) based in Spain to own security across a rapidly growing platform serving 50M+ users. You will lead app security, risk, and AI security initiatives, collaborating with engineering leaders to embed security in development workflows. You will coordinate audits, manage incident response, 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...

Our Vision & ProductsEverAI — Building the Future of AI CompanionshipOne of the Top 15 Largest & Fastest-Growing AI Companies in the World50 Million Users in 2 years — Help Us Reach 100M first, 500M nextAt EverAI, we’re shaping what it means to connect with AI. With 50 million users and counting, we're not just building products — we're creating...

Kairós Digital Solutions SL en España busca un/a profesional de Cloud Security con experiencia en AWS para dar servicio a los equipos de desarrollo, gestionar aprovisionamiento de servicios cloud y desplegar infraestructura como código.Serás parte de un equipo multidisciplinario, dando respuesta a incidentes, gestionando vulnerabilidades y asegurando el...

CloudLinux is a global remote‑first company driven by our principles: do the right thing, employees first, we are remote first, and we deliver high‑volume, low‑cost Linux infrastructure and security products that help companies to increase the efficiency of their operations. Every person on our team supports each other and does what we can to ensure we...

If you love getting hands-on with web security, cloud infrastructure and the emerging risks of AI and LLM integrations, you’ll feel right at home with us. At Metricool you will be able to do so with real ownership over how security and compliance get built into the product, not just audited after the fact. You will have the possibility to work 100%...