Join a cybersecurity company making the digital world safer, operating at the intersection of advanced research and real-world security in the B2G 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
- Work with both SQL and NoSQL databases (e.g., PostgreSQL, MongoDB)
- 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, DevOps, 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 architecture principles; Experience with internal OS development; Working knowledge of Linux OS

Database & Containerization Proficiency in both SQL and NoSQL databases (e.g., PostgreSQL, MongoDB); Hands-on experience with Docker for containerisation

Architectural Patterns Experience with microservices architecture

DevOps & Infrastructure Familiarity with DevOps practices and on-prem infrastructure

📌 Backend Engineer (Barcelona)
🏢 Cybersecurity Company Making The Digital World Safer In The B2G Space
📍 Barcelona