Senior Developer | Lernia | Stockholm

Lernia AB

Stockholm, Stockholms län
Vanlig anställning - Heltid - Tills vidare
Fast månads- vecko- eller timlön
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About this role

**About the Role** We are looking for a senior developer, a skilled and driven full-stack developer who wants to be part of a team where quality, collaboration, and technical innovation are in focus. As a senior system developer with us, you will be a key player in our development team responsible for architecture, technical choices, and implementation of our digital platforms. We work within the Microsoft stack and build modern web and mobile applications in an Azure environment using Umbraco CMS. Together with the team of developers, you will be responsible for ensuring code quality and contributing to an efficient development process. **Profile** We are looking for someone who is curious, meticulous, communicative, and enjoys working in a team. You are passionate about coding and see the value in collaborating to achieve common goals. You have the ability to work proactively, see the big picture, and drive development forward. You possess strong communication skills and collaborate well with your colleagues, sharing knowledge and contributing to an open and learning culture. You appreciate collaborating with developers, designers, and operations teams to create effective, accessible, and sustainable solutions. **Experience and Qualifications** - Extensive experience with public web applications that have high demands for accessibility, security, and performance. - Significant experience in analyzing, designing, developing, implementing, and maintaining ecosystems of scalable services in Azure. - Experience working with a CMS. - At least 7 years of experience as a full-stack developer with C#, .NET, JavaScript/TypeScript. Experience with one or more databases/ORMs; Azure SQL, SQL Server, Entity Framework, MongoDB, Redis. Frontend and frameworks; HTML5, responsive/adaptive design, CSS3, experience with one or more frameworks; React, NodeJS, NextJS, as well as experience in DevOps, CI/CD. - Experience working in agile teams and methodologies such as SCRUM or Kanban. - Relevant higher education or university degree. - Fluent in Swedish, both spoken and written, with good knowledge of English. - A strong team player who contributes to the team's success. **Desirable Experience** - Umbraco (CMS). - Experience with Siteimprove or other tools for measuring accessibility. - Azure DevOps and infrastructure as code. - Experience in mobile app development. - Experience with Azure AI Search and Azure Open AI. - Interest in developing AI services. **Our Technical Environment** We have a public website with approximately 1 million unique visitors per year using Umbraco as the CMS. The core of our services generally relies on Microsoft Azure for web, backend, identity (Entra complemented with Identity Server), storage, AI (AI Search, OpenAI), and BI (Synapse, Databricks, Power BI), Integration (logic apps and Synapse). For mobile, we have apps available on the Apple Store and Google Play. We work in Azure DevOps for collaboration with the business, project management, and for CI/CD, XCode Cloud for Apple, and generally have infrastructure as code. We generally work with modern technologies and frameworks, primarily .NET Core, C#, Node.js, JavaScript, Azure SQL, SQL Server, React, Next.js, and tools such as VS Code, Git, GitHub Copilot, Figma. **Why Choose Us?** This is a full-time position located at Lernia's headquarters at Hötorget in Stockholm. We see great value in meeting and working together in the office and expect everyone to work 2-3 days a week in the office. Remote work is possible when it fits with the team/work. We offer you a stimulating job in a workplace where IT works closely with the business. We have strong support for our agile working methods. We have fun, care for each other, and are engaged in our work. We place high demands on our employees' security and confidentiality awareness. Before a hiring decision is made, a background check will be conducted. To ensure a fair and objective recruitment process, we use tests. The tests help us assess potential and fit based on both personality and problem-solving abilities. **About Lernia** By working with us at Lernia, you contribute to strengthening Sweden's competitiveness. Through our efforts in education, matching, staffing, and recruitment, we ensure that companies receive the skills they need and that tens of thousands of people find employment. This gives us meaning in our work and makes us proud. Here, you can develop yourself while seeing others grow through their next steps in their careers. With us, you will find an environment where you can thrive and develop. We believe strongly that everyone is equal and unique, and that everyone is needed. We advocate for this – together. **How to Apply for the Position** To apply for the position, scroll down to the application form below. If you have any questions or concerns, please contact Alice Nerö via email: [email protected]. Selection and interviews are conducted continuously, so submit your application today!
Frontend-utvecklare Data/IT
Posted 18 Nov 2025 • 0 views

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