Diploma

Костянтин Трутаев

Junior Backend Java Developer

Львів

Courses

Junior Backend Java Developer Course 6 months (finished in May 2025) Passed
Academics
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
Skills
  • Java 21: Core, Collections, Exceptions, Stream, API, Multithreading, Concurrency
  • Data Structures & Algorithms, Big-O Notation
  • OOP: SOLID, KISS, DRY, YAGNI, Design Principles & Patterns, UML Diagrams
  • Spring Framework: Spring Core, Spring Boot 3, Spring MVC, Spring Security (Basic, OAuth2, JWT), Spring Data JPA, Hibernate Validator, RESTful API (Design, Versioning, Validation, Error Handling), Spring WebClient & RestTemplate, Spring Actuator, Spring Expression Language (SpEL), Internationalization (i18n)
  • Databases: PostgreSQL, MySQL, H2, ElasticSearch, OpenSearch (overview), Hibernate, JDBC, Query Optimization, Indexing
  • Messaging & Microservices: ActiveMQ (practice), RabbitMQ, Microservices Architecture & Design Patterns, Service Discovery: Eureka
  • Build, CI/CD & DevOps: Maven, Jenkins, GitHub Actions, GitLab CI/CD, Git, GitHub, GitLab, Git-flow branching strategy, EC2, RDS, Elastic Beanstalk, MQ, AWS Secrets Manager, DevOps Practices on AWS
  • Testing & Quality Assurance: JUnit, Mockito, TDD, BDD, Postman, JMeter, Gatling
  • Monitoring, Logging & Tools: Prometheus, Grafana, Logback, Java VisualVM, IntelliJ IDEA, Swagger/OpenAPI, CURL, Lombok, MapStruct, Linux (Basic commands and tools)
  • Project & Teamwork Skills: SDLC, Scrum, Kanban, Task Estimation, Team Collaboration & Code Review Practices, Jira (Project Tracking)
About course
  • Junior Backend Java Developer Course.
  • Online studying
  • Graduation level
    Junior Backend Java Developer
  • Mentor
    Andrii Piskovyi
Stanford CSA106 + CSB106 3 months (finished in October 2024) Passed
Academics
Average code mark 4.86 / 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 5 / 5 Top 10 Average mark higher than 90% 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
Skills
  • Computer science
  • Java
  • Code review
About course
  • 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

Back to courses

Recommendations - 0