Senior Backend Engineer - Core Alarm System

Location Tech Hubs: Oslo, Norway or Fuengirola, Malaga, Spain

Reports: Engineering Manager
Role Overview
The new talent will play a critical role in designing and developing backend systems that support IoT devices, leveraging modern DevOps practices. Works with cutting-edge technologies in Azure cloud infrastructure and a microservices architecture, building solutions that protect the lives and homes of our customers.

Team Overview

The team is responsible for the end-to-end mobile experience that allows customers to configure, monitor, and control their alarm system. Their mission is to provide a seamless, secure, and intuitive experience for managing both security and smart home capabilities directly from the app.
Key user journeys include:

• Arming and disarming the alarm system, including automation scenarios.
• Managing smart door locks, including locking, unlocking, pairing, and removing devices such as Yale Doorman and Danalock.
• Enabling and disabling smart plugs, as well as configuring related automation flows.
• Managing core system settings, including room names, areas, and overall system organization.

The team owns the customer-facing experience across these journeys, ensuring reliability, ease of use, and a connected smart home ecosystem

Main Responsibilities

• Strengthen and support the development team, building software that helps to protect the lives and homes of our customers.

• Write clean, scalable code using C# .NET Core.

• Write code and develop according to business and user needs.

• Evaluate new code for reliable architecture, stability, reusability, performance, automation, security and metrics.

• Remain up to date with the terminology, concepts, and best practices for coding.

• Write unit and integration tests to cover functionality and reduce regressions.

• Mentor junior developers and new team members

• Coordinate with product owners, developers and architects.

• Solve complex development problems and technical challenges through innovative approaches and problem solving.

Education

• Bachelor’s or Master’s degree in relevant field (Computer Sciences, Information, Computer Engineering)

Requirements

• 7+ yrs of experience as a hands on Backend Developer
• Strong proficiency in C# and .NET Core knowledge
• 5+ yrs of experience with microservices and APIs (REST and event-based architectures).
• Experience with Claude Code for AI Assisted development and code generation
• Experience writing backend services consumed by IOS and Android apps
• SQL and Azure Service Bus Knowledge
• Ability in automation and integration testing.
• Excellent verbal and written English skills
• A valid work permit in the EU.

Nice-to-have

• Knowledge of Azure ecosystem
• DevOps and Terraform experience
• Expertise with CI/CD and test automationAbout the recruitment processWe will recruit on a rolling basis, so please do not hesitate to apply with a CV in English. Note 1: We are flexible hybrid and we expect you visit our Fuengirola office unless once a week Note 2: The Reference and background check will be requested for the successful candidate.