He developed using Java 17, the PALANTIR SDK, and Spring; his frontend was Angular. He implemented APIs with Swagger and managed pipelines in IntelliJ IDEA.

Development with Java 17, Spring, Angular, API implementation with Swagger, pipeline management, and service logic.

He participated in requirements interviews, backend development with Java and Spring, frontend development in Angular, data management with Postgres and Redis, use of AWS, testing with Junit and Mockito.

Development in Java 8-17, Spring, Angular, AWS (EKS, Cognito), management of Postgres and MongoDB databases, test automation.

He developed services with Java and Spring, API integrations, data management with Postgres and Snowflake, testing with Junit and Cypress, and infrastructure with Terraform.

API integration, Java 8-11 service development, Spring, AWS, Snowflake, automated testing, Terraform usage.