Backend Developer (Java / Spring Boot) $$

We are looking for a Backend Developer (Java / Spring Boot) to join a client project in an outstaff format. In this role, you will focus on the implementation and further development of backend services, business logic, REST APIs, and microservices within an Azure-based environment. The ideal candidate has strong hands-on experience with Java / Spring Boot, PostgreSQL, Azure services, and backend architecture best practices.

Responsibilities:

• develop and further improve backend services and business logic using Java / Spring Boot
• implement REST APIs and microservices
• integrate internal and external systems
• work with Azure Database for PostgreSQL: schema design, queries, migrations, and performance optimization
• handle errors and exceptions, implement validations, logging, and monitoring hooks
• create unit and integration tests
• contribute to authentication / authorization and role-based access implementation
• refactor legacy logic and help reduce technical debt
• participate in architectural discussions, API design, and data model improvements

• support performance analysis, scaling, and backend-level cost optimization

   

Requirements:

• solid experience with Java and Spring Boot
• experience building REST APIs and microservices
• experience with Azure Container Apps
• strong knowledge of PostgreSQL: schema design, queries, migrations, and optimization
• experience with Azure Identity Management (AD B2C / Entra) or similar solutions
• experience with Azure DevOps (Repos, Pipelines)
• understanding of error handling, logging, and validation best practices
• experience writing unit and integration tests
• understanding of backend architecture, service boundaries, and development best practices
• ability to write clean, maintainable code
• English B2+ level