Особисті дані приховані

Demyd Titenko
Junior Java Developer
Kyiv, Ukraine
| Email: [відкрити контакти](див. вище в блоці «контактна інформація»)
| LinkedIn:
[відкрити контакти](див. вище в блоці «контактна інформація»)
| GitHub: https://github.com/Demyd06

Summary
4th-year Computer Science student at SUICT and Head of the University Student Council.
I have a strong base in Java Core and practical backend development experience using
Spring. I combine a passion for clean code and modular architecture with team
management, mentoring, and AI integration skills. I am looking for a Junior Java
Developer position in a product team to build high-quality and scalable systems.
Technical Skills
○ Languages: Java 21, SQL
○ Frameworks & Libraries: Spring Boot, Spring Security, Spring Data JPA, Spring
MVC, Hibernate
○ Databases & Migrations: PostgreSQL, MySQL, H2, Liquibase
○ Tools & Infrastructure: Git, Docker, Maven, IntelliJ IDEA, Postman, Swagger,
GitHub/GitLab, n8n (Workflow Automation)
○ Testing: JUnit 5, Mockito
○ Leadership & Soft Skills: Team Management, Mentoring, Public Speaking, Crisis
Management, Strategic Planning.
○ Other: RESTful API, OOP, MVC, AI Integrations

Experience & Leadership

Application Architect / Mentor | Mood-lense (Military Project) (March 2026 - May
2026)

- Designed the system architecture to track the psychological and emotional state of
soldiers. Led a student team technically, conducted code reviews, and managed task

1
 lifecycles (creating and assigning tickets). Mentored developers at all stages of
product creation.
Technologies: Java, Git, JavaFX .

Teaching and Mentoring Activities (September 2025 - today)

- Developed training programs and Java Core lectures for 1st-year students.
- Co-developed an advanced study program for 2nd-year students focused on Java &
Spring.
- Organized mentoring for top students to speed up their professional growth.

GreenCity (SoftServe Academy Project) | Java Developer (SoftServe Academy Project)
(September 2025 - December 2025)

- Worked in a team to develop an eco-service using standard industry practices.
Conduct team code reviews, developed backend logic, configured database
integration, and worked with migrations.
Technologies: Java, Spring, Hibernate, Liquibase, MySQL, Maven, Git.

ToDoList App | Personal Project (Jun 2026 - today)

- Engineered a RESTful API utilizing a classic 3-tier architecture (Java 21, Spring
Boot) to manage users and tasks efficiently. Secured endpoints by integrating Spring
Security, implementing both Basic Auth and modern JWT-based stateless
authentication. Optimized database queries and data transfer by integrating Spring
Data JPA with Pageable for paginated responses. Integrated Swagger (OpenAPI) for
automated, interactive API documentation and testing.
Technologies: Java 21, Spring Boot, Spring Security (JWT), PostgreSQL, REST
API, Swagger.

Head of the University Student Council | SUICT (October 2025 - today)

- Lead the Student Council, manage the team, and organize large events. Responsible
for communication between students and administration, crisis management, and
project coordination. Speak at public events and work to improve IT education
approaches and update study programs.

Platoon Commander (Military Training Department) | NDUU (September - today)

- Manage and lead a platoon of 23 personnel, maintaining discipline and coordinating
military training activities. Focus on IT security protocols and the operation of
2
 automated systems within the framework of military defense.

Education
○ Bachelor of Computer Science - State University of Information and
Communication Technologies (SUICT), Kyiv (Expected 2027)
○ Reserve Officer Training Program - National Defense University of Ukraine
(NDUU), Kyiv (Expected Aug 2027). Specialty: Mathematical and Software
Operation of Automated Systems and Cybersecurity.

Certifications
○ Java Professional (JavaRush University)
○ Adventure Java with Spring (SoftServe)
○ Google AI Professional
○ Completed 30+ additional specialized courses in IT, Management, and Software
Development (details available on LinkedIn -
[відкрити контакти](див. вище в блоці «контактна інформація»)

Languages
○ English: Pre-Intermediate (A2)
○ Ukrainian: Native

3