Join Sector Alarm as a Full Stack developer!
📍 Location: Spain (Fuengirola/Malaga, Madrid) or Norway (Oslo) - hybrid role
📢 Department: Tech
Role Overview: Your Day-to-Day
We're looking for a top developer who not only writes clean, secure, and high-quality code, but also uplifts the team by sharing knowledge and fostering a culture of excellence. You’ll be part of a talented tech team building innovative, scalable solutions that enhance the safety and security of our customers. You'll develop modern software using C#, .NET Core, and React.js in a cloud-first environment. This is a permanent, full-time position reporting to the Engineering Manager.
Since 2019, we have been undergoing a digital transformation—placing technology and data at the heart of our strategy. This role is a crucial part of that journey, where innovation and customer experience drive our success. To learn more about our Tech organization click here.
Overview: We are looking for an experienced Full Stack Developer to join our expanding team. You will play a critical role in designing and developing backend systems that support IoT devices, leveraging modern DevOps practices. You will work with cutting-edge technologies in Azure cloud infrastructure and a microservices architecture, building solutions that protect the lives and homes of our customers.
With more than 700,000 customers and users in 8 countries, we are searching for a Full Stack Developer who wants to further strengthen our software portfolio.
This is a permanent, full-time position reporting to the Engineering Manager. We use flexible, hybrid working, with engineers typically spending around two days in the office each week, with the rest working remotely from home.
Who are you?
We believe that you are a driven individual that make things happen and accept responsibility for the results delivered. You are passionate about software development and how software can quickly deliver benefits to the business. You are always willing to learn new skills and take on new challenges to continue your professional and personal development.
Technology Stack:
- Frontend Development: Experience with React.js, proficient in building dynamic, responsive web applications.
- Backend Development: Proficient with C#, .NET Core, and creating REST APIs.
- Databases: Strong knowledge in SQL and noSQL databases, experience with EntityFramework.
- DevOps and Cloud: Experience with Azure Kubernetes, microservices architecture, Azure cloud infrastructure, and DevOps best practices.
- IoT and Hardware: Working knowledge of hardware components and IoT devices is a plus.
Qualifications:
- Minimum 5 years of experience as a Full Stack Developer, with a strong background in both frontend and backend technologies.
- In-depth knowledge of React.js and its core principles.
- Strong proficiency in C# and .NET Core.
- Familiarity with REST API design and development.
- Experience with both SQL and noSQL databases.
- Skilled in automation and integration testing.
- Azure experience with managing WebAPIs, containers, and web applications.
- Familiarity with Azure DevOps and Terraform is advantageous.
- Previous IoT experience is beneficial but not required.
Responsibilities:
- Strengthen and support the development team in building comprehensive software solutions that enhance the safety and security of our customers’ lives and homes.
- Develop clean, scalable, and efficient code using C#, .NET Core for backend and React.js for frontend.
- Regularly update and improve existing software for better performance, compatibility, and efficiency.
- Engage in all phases of software development from design to implementation, testing, and maintenance.
- Ensure the creation of reliable architecture, system stability, reusability, and performance.
- Stay updated with the latest industry trends in software development and technology.
- Write comprehensive unit and integration tests.
- Collaborate effectively with product owners, IT professionals and developers.
Benefits:
- Work within a European setup with product presence across 8 countries and opportunities for expansion.
- Primary IT hub located in Oslo, secondary hub in Fuengirola, Spain, with opportunities for travel.
- Access to training, certifications, and continuous learning opportunities.
- Significant autonomy in the role, encouraging initiative and innovation without micromanagement.
- Agile work environment using Kanban/ScrumBan/Scrum methodologies tailored to what works best for the team.
- Competitive compensation and benefits package, including informal social gatherings and a collaborative company culture.
About the Recruitment Process
We will recruit on a rolling basis, so please do not hesitate to apply with a CV in English. A criminal record check will be requested for the successful candidate.
🔥 Ready to make an impact? See what our employees in Tech say about the culture at Sector Alarm:
Top Skills
What We Do
Sector Alarm is one of Europe’s leading safety providers with more than 680,000 satisfied and safe customers. We have been in operation for over 30 years and deliver superior alarm solutions to homeowners and businesses across Europe. Providing excellent customer service is extremely important to us and we are proud of our consistent 95% customer satisfaction rating.
Sector Alarm has experienced strong growth over the years and is continuing to expand in both new and existing markets. Today, we are over 3,700 employees operating in Norway, Sweden, Finland, Ireland, Spain, France, Italy and Portugal. Our focus on hiring the right people has enabled us to offer customers state-of-the-art security solutions and gain strong market positions in the countries where we operate.
We offer exciting career opportunities in a company with an ambitious growth strategy and fantastic colleagues. If you share our passion for providing innovative solutions that offer safety and peace of mind, are 100% goal focused and are looking for a fun, fast paced work environment - we would love to hear from you.







