Remote Hybrid Contract 5000 - 6000

CoreWillSoft is hiring a Fullstack Software Engineer (Backend + Frontend)

Requirements

  • Backend: Proficiency in Kotlin and/or Java for backend development
  • Strong experience with the Spring Boot framework
  • Experience with Docker and containerized applications
  • Familiarity with cloud platforms such as AWS, Azure, or Google Cloud
  • Experience in designing and consuming RESTful APIs
  • Knowledge of microservices architecture and patterns
  • Experience with on-premise and cloud-based deployments
  • Proficiency in secure coding practices and understanding of security best practices for backend systems
  • Familiarity with scalability strategies and performance optimization in backend services
  • Knowledge of monitoring and observability tools (e.g., Prometheus, Grafana, ELK)
  • Knowledge of cryptography and security
  • Familiarity with CI/CD processes, including GitHub Actions, GitLab CI, or similar tools
  • Experience with version control systems (e.g., Git)
  • Experience with database technologies, both relational (e.g., PostgreSQL) and NoSQL (e.g., MongoDB)
  • Frontend: Strong experience with React.js or Angular, or Vue
  • Solid knowledge of TypeScript / JavaScript, HTML5, CSS3
  • Experience with modern tools (Vite, Webpack, npm, etc.)
  • Understanding of state management (e.g., Redux)

Nice to Have

  • Experience building desktop applications
  • Experience with Kotlin Multiplatform in production
  • Knowledge of the modern Kotlin ecosystem (Coroutines, Flow, Compose, Koin, Ktor)
  • Knowledge of additional programming languages
  • Experience with system architecture and distributed systems
  • Understanding of UI/UX design and performance optimization
  • Knowledge of building automation or access control systems

Benefits

  • Great customer impact: the solutions you deliver will be used by thousands of large and small businesses
  • Ability to shape the product, working, and delivery process
  • Great team spirit and Team Events
  • Agile and innovative environment
  • Cutting-edge technologies
  • Working on the latest Hardware
  • Convenient office or co-working, depending on your location

Work Arrangement

Hybrid

Team

Structure: scaled agile approach

Required Skills
Kotlin/or Java for backend developmethe Spring Boot frameworkDockercontainerized applicationscloud platforms such as AWSAzureor Google Clouddesigningconsuming RESTful APIsmicroservices architecturepatternson-premisecloud-based deploymentssecure coding practices Kotlin/or Java for backend developmethe Spring Boot frameworkDockercontainerized applicationscloud platforms such as AWSAzureor Google Clouddesigningconsuming RESTful APIsmicroservices architecturepatternson-premisecloud-based deploymentssecure coding practices
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About company
CoreWillSoft

CoreWillSoft GmbH builds software that connects Operational Technology and IT in Physical Security. We help solution manufacturers and enterprises create interoperable, secure, and efficient security ecosystems.

Our expertise spans secure connectivity, mobile access, and multi-vendor system integration. Through a mix of custom engineering, reusable components, and open standards, we deliver faster, more reliable, and scalable solutions.

We enable our customers to simplify operations, enhance reliability, and innovate confidently in a connected security world.

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Job Details
Department Software Development
Category fullstack
Posted 2 hours ago