Principal Software Engineer

About the Role We are looking for an experienced Principal Software Engineer to design, develop and operate high-quality, cloud-native software services. You will work with TypeScript, Node.js, APIs, integrations and distributed systems, collaborating with engineers, Tech Leads and Solution Architects to build scalable, reliable and maintainable solutions. Key Responsibilities Design, develop, test, deploy and operate production-grade software. Develop APIs, integrations and distributed systems. Improve scalability, reliability, performance and maintainability. Contribute to architectural decisions and technical discussions. Improve automated testing, observability, DevOps and engineering practices. Take shared responsibility for service operations and continuous improvement. Share knowledge and contribute to a collaborative engineering culture. Requirements Extensive experience in software engineering and production applications. Strong knowledge of TypeScript and Node.js. Hands-on experience with Azure cloud-native services. Strong understanding of APIs, integrations, distributed systems and data flows. Experience with GraphQL or similar API technologies. Experience with automated testing, CI/CD, DevOps and cloud environments. Strong problem-solving, communication and collaboration skills. University degree in Computer Science, Software Engineering or a related field, or equivalent professional experience. Fluent in written and spoken English. Valid work authorisation for Sweden, where applicable. Meritorious: Swedish language skills and experience improving software architecture, reliability and engineering quality.