Diploma Ш++: Ihor Afanasiev

Ihor Afanasiev

Junior Backend Java Developer

Leszno

6 months (finished in May 2025) Passed

Studying speed	Studied at a normal pace
Study attempts Due to poor performance or cheating, the student has to start the course anew	Passed course on 1 try
Hours of studying	Spent at least 240 hours

Java 21: Core, Collections, Multithreading, Concurrency, Exceptions, Stream API
CS Fundamentals: Data Structures, Big-O Notation
OOP & Architecture: SOLID, KISS, DRY, YAGNI, Design Principles, Design Patterns
Spring Framework: Spring Core, Spring Boot, Spring MVC, Spring Security (Basic Auth, OAuth 2, JWT), Spring Data JPA, Hibernate Validator, Spring WebSocket, Spring Actuator, RESTful API Design, API Versioning, Error Handling, Validation
Databases: PostgreSQL, MongoDB, H2, Cassandra, Hibernate, JDBC, Query Optimization, Indexing
Messaging & Integration: ActiveMQ
Cloud & DevOps: AWS EC2, AWS RDS, AWS Elastic Beanstalk, CI/CD, Jenkins, GitLab CI/CD, Maven
Version Control & Collaboration: Git, GitHub, GitLab, Git flow, Jira, Agile (Scrum), Task Estimation, SDLC
Testing & QA: JUnit, Mockito, Gatling, TDD, BDD, Postman
Monitoring & Logging: Prometheus, Grafana, Logback, Java VisualVM
Tools & Utilities: IntelliJ IDEA, Swagger/OpenAPI, curl, Lombok, MapStruct, Internationalization (i18n), Linux

3 months (finished in March 2024) Passed

Average code mark	4.89 / 5 Top 30 Average mark higher than 70% of graduates
Average review mark On the course, students learn to conduct a review themselves and receive marks for it	4.89 / 5 Top 30 Average mark higher than 70% of graduates
Studying speed	Studied at a good pace
Study attempts Due to poor performance or cheating, the student has to start the course anew	Passed course on 1 try
Hours of studying	Spent at least 325 hours

Learning the basics of programming in a Peer-to-Peer format by the education course of Stanford University.
More about the course program
Online studying
Graduation level
Computer Science Basics Alumnus