Position: Senior Java Developer
Category: Java
English level: upper
Years of experience: 11

British, Scottish state healthcare system: Two high loaded, high secure software products.

Transneft (the largest oil pipeline company in the world): Customers' self-registration infrastructure.

MegaFon (one of the Big-3 mobile and telecom operators in Russia): EDI providers integration.

Evraz Group SA (one of the largest vertically-integrated steel-making, mining and vanadium businesses in the world): business systems integration using SAP Process Integration Bus.
Java lead, designing and developing core components of applications, backend and middleware for 20+ years:

- Java 11, GraalVM

- AWS: Lambda (plain with Dagger DI/Quarkus REST Lambda with Jakarta EE), API Gateway, WebSocket API, Cognito, DynamoDB, S3, SSM, KMS, Redshift, CloudWatch, CloudFormation, SAM. 

- Spring Framework: Spring Boot/MVC, Data REST/JPA/JDBC, Security, WebSockets/STOMP, AOP.

- JPA/Hibernate, JAX-RS/REST, JAX-WS/SOAP, EJB, JMS/RabbitMQ, JAXB.

- Gradle, Maven, Docker. JUnit, Mockito, jqwik.

- PostgreSQL, MySQL, Oracle DB, IBM DB2, MS SQL Server.

- Also have some experience in front-end development (JavaScript, Vue.js/Quasar, HTML5/CSS3, JQuery).
Full-time contract with a fixed wage for a long term (Russian individual entrepreneur).