Java/Kotlin Developer

Required skills

• 3+ years of professional experience in software development
• Production experience with Vaadin/Hilla framework
• English B2+
• Strong knowledge of:
  Java and Kotlin programming language
  Spring framework and Spring Boot
  SQL databases (PostgreSQL, MySQL)
  Object-oriented and functional programming principles
• Understanding of domain driven design and modulithic architecture
• Basic knowledge of front-end technologies — NPM/Yarn, ReactJS/NextJS
• Knowledge of deployment pipelines and tools (e.g., Docker, Kubernetes, Heroku, CI/CD)
• Strong grasp of testing methodologies and frameworks (JUnit, Mockito/Mockk, SpringTest)

Nice-to-Have Skills

• Experience with cloud platforms like AWS, or GCP
• Understanding of security best practices for web applications
• Experience with Scala programming language

Key responsibilities

• Build and maintain web applications (both from scratch and existing ones)
• Communicate with clients to clarify the requirements and prepare technical tasks
• Optimize application performance and ensure high standards of code quality through testing and reviews
• Deploy and monitor web applications using existing CI/CD tools up-to-date with emerging technologies and advocate for their adoption when appropriate