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    cybersecurity company making the digital world safer in the B2G space

    Backend Engineer

    Barcelona, SpainOnsitePermanent

    About the role

    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.

    What you'll do

    • - 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

    What we're looking for

    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

    What's on offer

    • Private health insurance
    • Flexible office working hours
    • Fully stocked kitchen, coffee, organic fruit, snacks, and drinks
    • Team-building events
    • Genuine opportunities for professional growth

    Apply for this role

    No CV needed — your LinkedIn profile is enough. * required