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Senior Backend Developer
hace 2 semanas
G+D hace más segura la vida de miles de millones de personas en todo el mundo. Creamos confianza en la era digital con tecnología de seguridad integrada en tres segmentos: Seguridad Digital, Plataformas Financieras y Tecnología Monetaria. Hemos sido un socio confiable para nuestros clientes durante más de 170 años con nuestras soluciones innovadoras para SecurityTech Somos un grupo tecnológico internacional y una empresa familiar tradicional con más de 14,000 empleados en 40 países. Crear Confianza es nuestro camino hacia el éxito. La confianza es la base de nuestra colaboración en G+D.
Somos el socio confiable para todos los desafíos resultantes del Internet de las cosas. Ofrecemos un completo portafolio de conectividad para operadores de redes móviles, fabricantes de automóviles, empresas tecnológicas como fabricantes de chips y módulos, así como proveedores de transporte y logística. Nuestro portafolio incluye soluciones altamente seguras en el área de conectividad e IoT, desde SIM clásicas, eSIM e iSIM, hasta los sistemas operativos integrados asociados y el manejo del ciclo de vida, pasando por servicios de conectividad global y soluciones IoT. ¿Quieres dar forma activamente a la transformación digital con nosotros?
Giesecke+Devrient makes the lives of billions of people around the world more secure. We create trust in the digital age with integrated security technologies in three business areas: Digital Security, Financial Platforms and Currency Technology. We have been a reliable partner for our customers for over 170 years with our innovative solutions for SecurityTech We are an international technology group and traditional family business with over 14,000 employees in 40 countries. Creating Confidence is our path to success. Trust is the basis of our co-operation within G+D. We're seeking a
mid-level Backend Software Developer
to join our team and focus on the Offline Distribution component. You'll work hands-on with advanced Golang, distributed systems, and modern cloud technologies, supporting our ongoing growth and commitment to security, scalability, and reliability.
Key Responsibilities
- Develop, test, and maintain backend services in Golang, applying concurrency techniques (goroutines, channels, worker pools, context management), and ensuring robust memory management.
- Design, build, and document RESTful APIs, integrating with PostgreSQL databases (sqlc or Gorm).
- Implement and manage messaging via RabbitMQ.
- Apply secure coding practices, reviewing code according to OWASP principles and project security standards.
- Use git workflows for version control and collaborative development.
- Support CI/CD pipelines and contribute to automation improvements.
- Troubleshoot, optimize, and profile backend performance using tools like Prometheus, Grafana, and advanced logging.
- Participate actively in code reviews, testing (unit, integration, E2E, system, smoke, penetration), and best practices adoption.
Required Skills
- Advanced proficiency in Golang (goroutines, channels, interfaces, concurrency, memory management, profiling).
- Hands-on experience designing RESTful APIs.
- PostgreSQL database experience (with sqlc or Gorm).
- Experience integrating and working with RabbitMQ.
- Strong git and git workflow knowledge.
Recommended Skills
- Security: Authentication, authorisation, OWASP, secure coding.
- Containerisation: Docker, Kubernetes.
- Monitoring: Prometheus, Grafana, advanced logging.
- CI/CD pipeline experience.
- Experience with Rust.
- Performance optimisation, scalability.
- Diverse testing methodologies.
Nice to Have
- Azure cloud platform experience.
- Infrastructure as code: Terraform, Helm.
- PKI/encryption experience.
- Experience mentoring or supporting junior developers.
Onboarding Plan – Your First 90 Days
- First 30 Days: Set up development environment, complete security and code review training, shadow senior developers, run builds/tests, and learn product architecture. Participate in Kanban flow and introductory TDD exercises. Join pair programming and understand CI/E2E testing pipelines.
- Days 31-60: Make your first contributions with guidance, join workshops on secure coding (OWASP), practice TDD, participate in pair programming, use E2E tests, contribute to CI/CD, take ownership of a Kanban ticket, and write feature/test documentation.
- Days 61-90: Deliver features end-to-end, patch a medium-level security issue, lead or join security retrospectives, optimize part of the CI/CD workflow, ensure secure feature delivery, refine Kanban/process metrics for backend releases, mentor newcomers, and document lessons learned and improvements.
We're looking for proactive developers who care about security, teamwork, and continuous improvement. If you're ready for autonomous and impactful work, this is the place for you
What's great about working with us:
- Culture and diversity: Join a people-oriented environment with different nationalities and a great team spirit, flat hierarchies (everyone speaks to everyone). Equal Opportunity Employer and LGBT+ friendly.
- Team: An opportunity to shape our engineering culture and work with a passionate, mission-driven team. Collaboration with a diverse and very international team of outstanding people.
- Global Collaboration: Work collaboratively with stakeholders around the globe.
- Impactful Work: You will have the opportunity to participate in and shape a global lighthouse project in the domain of digital currencies.
- Career Development: Benefit from continuous training, coaching, and talent development programs.
- Social Benefits: Flexible compensation (transport tickets, training, private insurance), etc.
- Own canteen: Take a break with our breakfast and lunch service: choose between a wide range of menus, salad desk, and sandwiches service. Nicely priced
- Work-Life Balance: Flexible working hours with the option for remote work (Mon–Thu 8:30 – 17:30 and Fri 8:30 – 15:30; 3 days of remote work).
- Location: El Prat de Llobregat. Easy communication by private transport or public transport: Bus 88, 110, PR4 and Metro L10S (ZAL/Riu Vell).
