backend developer
Main requirements
The main stack
Backend
• Java 11+
• Spring Framework
• Spring Boot (Spring Security, Spring Data JPA, Spring Web)
• JPA / Hibernate
• PostgreSQ
• REST API
• Will be a plus: Jmix, Vaadin, Kafka, RabbitMQ, BPMN, Docker, Kubernetes, CI/CD
• Git
• Maven / Gradle
• JUnit
• Mockito
• Integration testing
Basic knowledge
• HTML
• CSS
• JavaScript
• Technical English (reading documentation)
It is advisable to have experience working with:
• GitHub Copilot, Cursor, Windsor, Claude Code or similar AI tools
• AI-assisted development and code generation
• Prompt Engineering for technical tasks
• LLM integration via API (OpenAI,
Anthropic, Gemini, etc.)
• Development of AI agents and workflow automation
• MCP (Model Context Protocol) and tool integrations
• Retrieval-Augmented Generation (RAG)
• Function Calling / Tool Calling
• Orchestration of AI agents and multi-agent systems
• Vector databases and knowledge search
What you will do
Main tasks
• Development and development of backend services in Java/Spring Boot
• Designing REST API and integration solutions
• Working with PostgreSQL, query optimization and performance
• Participation in the design of architecture
applications
• Development and support of integrations with external systems
• Writing tests and ensuring code quality
• Participation in code review and technical design
What we offer
• Participation in the development of modern corporate platforms
• Ability to work with AI and Agentic AI solutions
• Influence on the architectural decisions of the product
• Professional development and the study of new technologies
• A team focused on engineering culture and product quality
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