Mjukvaruutvecklare / C#/.NET Software Engineer
About this role
Temporary position (vikariat) 24-36 months
Responsibilities
- Develop and maintain process control software (MES, HMI integrations, dashboards) for casting and electrolysis operations using C#/.NET and Blazor.
- Build and improve internal web applications on Kubernetes, including REST APIs, background services, and data pipelines.
- Integrate with SCADA systems, PLCs, and industrial data sources via OPC UA, MQTT/Sparkplug B, and SQL interfaces.
- Collaborate with production engineers, electricians, and operators to translate process needs into working software.
- Contribute to software architecture, API/interface design, and technical documentation.
- Ensure reliability of mission-critical systems, including on-call rotation and emergency response.
- Leverage AI
About KUBIKENBORG ALUMINIUM AB
Kubikenborg Aluminium AB (KUBAL) is Sweden’s only primary aluminum smelter, located in Sundsvall. With approximately 460 employees and over 60 years of operational history, KUBAL is a cornerstone of the Swedish metals industry. Our production runs 24/7, 365 days a year — and the software we build directly supports and controls these mission-critical processes. Our IT team manages everything from infrastructure and OT advisory to custom software development for production systems. You will work on systems that have real, physical impact — from electrolysis cell control to casthouse operations and internal logistics. As a Seveso III upper-tier site, KUBAL is subject to strict safety regulations. We are also actively working to align our cybersecurity practices with NIS2 principles, making reliability, security, and operational resilience core to everything we do. About the Role We are looking for a skilled C#/.NET Software Engineer to join our IT team on a temporary basis (vikariat, 24–36 months) while a team member is assigned to a dedicated production system modernization project. This role develops and maintains digital solutions supporting core production processes and auxiliary functions at the smelter.