Location:
Fuengirola, Malaga, Spain Job overview As a Backend Engineer, you will help design, build and evolve backend services that support our customer-facing digital experiences. You will work mainly with C#/.
NET and Azure in a microservices environment, collaborating closely with engineers, QA and Product. You will contribute throughout the development lifecycle
- from understanding customer and business needs to implementation, testing, deployment and production support
- while continuing to grow your technical ownership and impact within the team. Responsibilities
- Design, develop and maintain clean, scalable backend services using C# and .
NET.
- Build solutions based on customer and business needs.
- Contribute to reliable architecture, performance, security and maintainability.
- Write unit and integration tests to ensure quality and reduce regressions.
- Investigate and solve technical issues across services and components.
- Participate in technical discussions, code reviews and continuous improvement.
- Collaborate closely with Product, QA and other engineering teams.
- Share knowledge and contribute to improving engineering practices within the team. Requirements
- Strong experience with C# and .
NET / .
NET Core.




- Good understanding of REST APIs, microservices and event-driven architectures.
- Experience building and maintaining production backend systems.
- Experience with SQL databases.
- Experience with unit and integration testing.
- Familiarity with cloud environments, preferably Azure.
- Comfortable with CI/CD and modern software delivery practices.
- Ability to understand business and customer needs and contribute to technical solutions.
- Collaborative mindset and comfortable giving and receiving feedback.
- Good written and spoken English.
- Curious, pragmatic and motivated to continuously learn and grow.
- Valid work permit in the EU. Nice to have
- Experience with Azure Service Bus and event-driven systems.
- Experience with NoSQL databases, such as Cosmos DB.
- Terraform / Infrastructure as Code experience.
- Experience with observability, monitoring and production support.
- Experience building backend services consumed by iOS/Android applications.
- Authentication and authorization experience, such as OAuth/OIDC or Auth0/Okta.
- Experience using AI-assisted development tools, such as Claude Code, GitHub Copilot or similar.

📌 Backend Engineer (Fuengirola)
🏢 Sector Alarm Group
📍 Fuengirola