We’re hiring a Senior Backend Engineer to design, build, and scale high-performance backend systems that protect governments and critical infrastructures.
About the company: Fast-growing cybersecurity company redefining digital security standards in the B2G (Business to Government) space. They tackle complex, high-stakes challenges with serious engineering and a clear purpose: building technology that contributes to a safer world.
Barcelona (100% on-site, by design) | Poblenou
Design, develop, and maintain backend services using modern technologies
Work with SQL and NoSQL databases
Develop and deploy containerized applications using Docker
Improve and debug an already running system to ensure stability and performance
Optimize system performance and troubleshoot production issues
Collaborate with Frontend developers, DevOps, and other stakeholders to deliver high-quality solutions
Ensure high-quality code standards and enhance code quality through testing and peer reviews
Take ownership of end-to-end development processes, including requirement analysis, design, implementation,



testing, and deployment
5+ years of experience in backend development, with a proven track record of delivering high-quality, scalable solutions
~ Strong, hands-on programming skills with a focus on Python
~ Familiarity with DevOps practices and on-prem infrastructure is a plus. Strong understanding of system architecture principles, with the ability to design and maintain efficient, scalable backend systems
~ Proficiency in both SQL and NoSQL databases (e.g., PostgreSQL, MongoDB)
~ Hands‑on experience with Docker for containerization
~ Working knowledge of Linux OS
~ What’s in it for you?
Private health insurance
Fully stocked kitchen (coffee, organic fruit, snacks, drinks)
But if what really motivates you is building systems that move beyond pure software and directly improve people’s lives, working closely with product teams, and solving meaningful problems at scale, this could be the righ

📌 Senior Backend Engineer | Python | Barcelona
🏢 Talent-R
📍 Barcelona