Are you experienced in building reliable software using modern technology? Would you like to work with a team that creates secure systems for important communications? We are looking for a Software Developer to join our ADS Platform team. In our development team, we work together to build secure and reliable solutions that help our customers communicate safely. We are now looking for a Software Developer to join our team in Reading, Berkshire. This role offers hybrid working. About the job As a Software Developer, you will work closely with other developers and support staff. Your main job will be to help develop and support our new C# communications platform. This platform is responsible for aggregation, transformation, and delivery of critical alarm signals. Your responsibilities will include: Developing microservices and infrastructure for a high-availability messaging platform. Creating and maintaining APIs for platform management. Actively participating in an Agile development team. Conducting testing, verification, and troubleshooting. Providing 3rd line support to 1st line support teams. Ensuring compliance with industry standards and regulations in software designs. Following best practices for secure development processes. Researching and evaluating new technologies to enhance maintainability, performance, and functionality. Documenting design specifications, test procedures, and project updates. About you 3–4 years of experience in software development, or strong skills shown in a project portfolio. Good knowledge of .NET development and modern software development patterns and practices. Proficiency in C#, Python, .NET 8.0, Entity Framework. Experience with SQL Server, T-SQL, DML, DDL, and stored procedures. Familiarity with NoSQL databases (especially Redis or equivalents). Experience with Kubernetes/Docker. Unit testing (nUnit/Moq or similar). Good communication and collaboration skills. Strong problem-solving skills and attention to detail. Desirable Skills Experience with Azure DevOps. Experience with cloud systems (AWS or Azure). Knowledge of K8s Operators or Helm charts. Experience with messaging systems (like Kafka). Experience with modern web frameworks (such as Angular, React, Svelte, or Vue.js). We offer Our employees are our greatest asset. It is of great importance to us that we build a culture where our employees thrive. You will be part of a motivated team in an international company. In addition, we offer: Competitive salary Private medical insurance Group Life Assurance Group Income Protection Contribution to our Company pension scheme. 25 days annual leave plus UK bank holidays Location: We operate a hybrid working model, with three days a week spent at our office in Reading. We're all change makers! If you seek a company that encourages you to be yourself and to have fun at work, where your work contributes to a safer, smarter, and more sustainable world, then AddSecure might be your destination. Join our growing international team, where each day is an opportunity to make a real difference. Would you like to take part in our journey? Apply by attaching your CV and answering a couple of questions, we look forward to receiving your application. We use competence-based recruitment, including tests, interviews, and references. Candidates are assessed with Alva Lab’s methods. We carry out background checks, and you must be eligible to work in the UK. AddSecure is a leading European provider of secure IoT connectivity and end-to-ends solutions. We help customers optimize their operations, drive business value, and secure vital functions. Our business unit Smart Alarms offers secure solutions for monitored alarm transmission as well as reliable crisis communication solutions that help organizations and rescue teams to prevent and respond to an emergency. addsecure joinaddsecure forasaferandsmarterworld smartertogether softwaredeveloper ADSplatform