Senior Java Software Engineer

Senior Java Developer Location: Stockholm, Sweden (Hybrid)Employment Type: Permanent About the Opportunity: We are looking for a Senior Java Developer to join a highly skilled engineering team building secure, business-critical digital services used by organisations across Sweden. This is an opportunity to work on complex systems where security, reliability, performance, and scalability are fundamental requirements. You will play a key role in designing, developing, and modernising enterprise-grade applications whilst collaborating closely with architects, developers, product teams, and stakeholders. The environment combines modern engineering practices with a strong focus on quality, security, and long-term maintainability. The role draws on technologies and requirements including Java Spring, identity and authentication standards, public-sector style compliance requirements, and cloud-native development. Responsibilities: Design, develop, and maintain backend services and APIs using Java and Spring Boot.Develop scalable, secure, and resilient microservices architectures.Contribute to system design, technical roadmaps, and architectural decisions.Collaborate with cross-functional teams to deliver high-quality software solutions.Improve performance, maintainability, and operational stability of existing platforms.Participate in code reviews, technical discussions, and mentoring of other developers.Support CI/CD practices, automated testing, and modern DevOps workflows.Ensure solutions meet security, compliance, and regulatory requirements. Requirements: 5+ years of professional software development experience with Java.Strong experience with:Java 17+ (or later versions)Spring BootREST APIsMicroservices architectureRelational databases (PostgreSQL, SQL Server, or similar)Git and CI/CD pipelinesExperience working with cloud-native environments, containers, and Kubernetes.Strong understanding of software engineering best practices and design patterns.Experience working in Agile development environments.Fluent English communication skills.Swedish speaking Highly Desirable Experience: One or more of the following would be advantageous:Security-focused systems development.Identity and access management solutions.Authentication technologies such as SAML, OIDC, OAuth2, or PKI.Public sector, regulated industries, banking, or other compliance-driven environments.Automated testing frameworks and quality engineering practices.Experience building highly available and mission-critical platforms. The environment includes technologies such as SAML, OIDC, PKI, eIDAS-related standards, and secure identity services. Please apply directly if you are located in Sweden and speak the language in a professional manner.