Senior Software Engineer

Company Description Swedium Global Services is a growing systems engineering and solutions provider based in Stockholm, Sweden, serving customers across Europe. The company delivers industry-focused solutions and supports clients with onsite consulting services. For organizations seeking offshore development, Swedium operates dedicated software development centers in Poland, the Czech Republic, India, and Sweden. As a technology-driven business, Swedium offers opportunities to work on diverse projects in international, collaborative environments. Team members benefit from exposure to multiple markets, modern engineering practices, and cross-border cooperation.Swedium Global Services are looking for Software EngineerOrt: GöteborgPeriod: 2026-09-14 till 2027-10-31Minimum years of experience: 10Description:Digital Services domain is looking for a Principal Full-Stack Developer to Map Tracking Team.We are looking for a Principal Full-Stack Developer with a strong frontend focus and solid AWS experience to join our Map Tracking Team. You will be a key contributor to the user experience of key applications within Customer Connect, working primarily with React and TypeScript. While frontend is your main strength, you will also contribute across the stack by designing and implementing robust APIs and backend services using Amazon Web Services and primarily serverless architecture, ensuring a seamless end to end product.Key Responsibilities:Deploy, operate, and maintain applications, continuously improving quality, functionality, performance, and cost efficiency.Actively contribute to solution design and architecture for new services.Develop full stack features, including API design and backend services in AWS.Ensure high standards for application quality, performance, security, reliability, and cost awareness.Collaborate closely with UX designers, Product Owners, architects, testers, and fellow developers in an agile team.Required Skills:Minimum 10 years of experience in software development.Strong proficiency in React, TypeScript/JavaScript, and modern state managementExperience with AWS and cloud native development (including serverless architectures).Strong experience in spec driven development and vibe codingGood knowledge of asynchronous programming, microservices architecture, and cloud services.Experience with test automation frameworks such as Jest, Cypress, JUnit, and Mockito.Experience from mobile or connected applications is a strong advantage.Fluent in spoken and written English.