Middle Java Vaadin Developer

!Fully Remote!
We are looking for a Middle Java Developer to join our projects.

Vaadin skill is not mandatory but very huge plus for this position

1 - Working on multi telecom related project with big international team. Work format is shadow, you will be hidden from end client and will work with help of main developer. There is Vaadin on the project

2 - Sushi Delivery in Warsaw.

We are enhancing our sushi delivery platform, built with Java 17, Spring, and Hibernate, by adding advanced features and improving performance and scalability.

We are looking for a long-term candidate passionate about startups and eager to contribute to our projects from the ground up.

Requirements:

• From 2-3 years of experience 
• Strong Java core and multithreading skills
• Expertise in Spring Framework (Boot, Data, Security) and Hibernate
• Good understanding of SQL and database design
• Knowledge of design patterns, SOLID principles, and clean architecture

Would be a plus:

• Vaadin
• Experience with microservices architecture
• Familiarity with Docker, Kubernetes, and CI/CD pipelines
• Cloud experience (AWS, Azure, or DigitalOcean)
• Proficiency in scaling and optimizing high-load systems