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CoreWillSoft GmbH logo
CoreWillSoft GmbH

Software Expert for Physical Security

Full Stack Software Engineer – Java, Kotlin, AI

Backend EngineerSoftware EngineerContractRemoteMid LevelTeam 11-50Since 2012H1B No SponsorCompany SiteLinkedIn

Location

Germany

Posted

72 days ago

Salary

€5K - €6K / month

Seniority

Mid Level

Job Description

Full Stack Software Engineer – Java, Kotlin, AI

CoreWillSoft GmbH

• Design, develop, and maintain scalable backend services using Java/Kotlin and Spring Boot • Contribute to frontend development using React, Angular, or Vue.js • Actively use AI tools (e.g., Claude, Copilot, ChatGPT) to improve development efficiency, code quality, and solution design • Participate in architectural decisions and contribute to system design • Collaborate closely with product and business stakeholders to deliver impactful solutions • Take ownership of features from concept to production • Ensure performance, scalability, and security of applications • Work with cloud infrastructure and modern DevOps practices.

Job Requirements

  • Strong experience with Java and/or Kotlin
  • Solid experience with Spring Boot
  • Experience designing and building microservices architectures
  • Experience with RESTful APIs
  • Knowledge of scalability, performance optimization, and high-load systems
  • Experience with Docker and containerized applications
  • Familiarity with cloud platforms (AWS, Azure, or GCP)
  • Experience with CI/CD pipelines (GitHub Actions, GitLab CI, etc.)
  • Experience with relational and NoSQL databases (e.g., PostgreSQL, MongoDB)
  • Understanding of secure coding practices and backend security principles
  • Familiarity with monitoring and observability tools (Prometheus, Grafana, ELK)
  • Experience with React, Angular, or Vue.js
  • Understanding of modern frontend development practices
  • Ability to build and integrate UI with backend services
  • Hands-on experience using AI tools in development workflows (e.g., Claude, GitHub Copilot)
  • Understanding of how to effectively integrate AI into daily engineering workflows.

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.

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