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Backend Developer (Spring / Kotlin) (m/f/d)

2040 ALS Holding GmbH · Remote, Spain

Mobile DevelopmentRemoteQuick applyfull-time3 days ago

About The Role

  • Solid knowledge of relational databases (e.g. PostgreSQL, SQL Server), SQL, schema design, and ORMs such as Hibernate / Spring Data JPA
  • Experience with HTTP/REST APIs, SFTP, and API design/documentation (OpenAPI / Swagger)
  • Commitment to clean, maintainable code (Clean Code, SOLID, design patterns, code reviews) and automated testing (unit, integration, end-to-end)
  • Experience with Git workflows and modern development practices
  • Experience with microservices and event-driven architectures (e.g. Kafka, RabbitMQ) and cloud-native development, ideally on Microsoft Azure
  • Familiarity with Kubernetes, Docker, and CI/CD pipelines (GitLab CI/CD, GitHub Actions) as well as basic understanding of application security (OAuth2, JWT, secure API design)
  • Experience with monitoring, logging, and tracing tools (e.g. Grafana, Prometheus, ELK, OpenTelemetry) and understanding of scalability, resilience, and performance optimization
  • Agile mindset with experience in Scrum/Kanban and tools such as Jira or Confluence, willingness to support frontend topics (Vue.js / TypeScript is a plus)
  • Strong communication skills in English

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