Join a cybersecurity company making the digital world safer, operating at the intersection of advanced research and real-world security in the B2 G space. Their work tackles some of the most sophisticated challenges in cybersecurity with a team that genuinely cares about the mission, craft, and each other. The culture values creativity, mutual support, and human connection, offering a place where contributions shape the product and team. Design, develop, and maintain backend services, with a focus on Python and C

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Work with both SQL and No SQL databases (e.g., Postgre SQL, Mongo DB)
Develop and deploy containerised applications using Docker
Implement and maintain microservices architecture
Debug and improve running systems to ensure stability and performance
Optimise system performance and troubleshoot production issues
Collaborate with Frontend developers,



Dev Ops, and other stakeholders
Own end-to-end development: from requirement analysis and design through to testing and deployment Backend Development Experience 5+ years, with a track record of shipping scalable, production-grade systems
Programming Languages Strong hands-on Python skills; proficiency in C programming
System Architecture & OS Strong understanding of system xghoner architecture principles; Experience with internal OS development; Working knowledge of Linux OS
Database & Containerization Proficiency in both SQL and No SQL databases (e.g., Postgre SQL, Mongo DB); Hands-on experience with Docker for containerisation
Architectural Patterns Experience with microservices architecture
Dev Ops & Infrastructure Familiarity with Dev Ops practices and on-prem infrastructure

📌 Backend Engineer (Barcelona)
🏢 Empresa Confidencial
📍 Barcelona