Костянтин

KOSTIANTYN GRECHANIUK
Entry-level IT Support Specialist | Open to Help Desk, Service Desk & Support Roles
Kraków, Poland | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)

SUMMARY

Entry-level IT Support candidate with a business analysis background, strong communication skills and regular hands-on practice with SQL, Excel, Jira and
documentation tools. Interested in helping users solve technical problems, organizing support requests clearly and improving internal processes. Open to
trainee, internship, service desk and junior IT support roles.

TECHNICAL SKILLS

IT Support & Troubleshooting: User support, issue clarification, problem reproduction, basic hardware/software troubleshooting, ticket documentation,
escalation basics.
Business Analysis: Requirements analysis, User Stories, Acceptance Criteria, Use Cases, basic process mapping, backlog basics, Kanban. SQL & Data:
PostgreSQL, SQLite, DBeaver, pgAdmin, SELECT, JOIN / LEFT JOIN, GROUP BY, HAVING, CASE, aggregations, subqueries, CTEs, basic window functions.
Tools: Jira, Confluence, Draw.io, Lucidchart, Google Sheets, Excel, Power BI basics, basic PC hardware understanding.

PROJECTS & TRAINING

Business Analysis in IT Course | Beetroot Academy | 2025 - 2026 | 4 months RECCY -
marketplace app for buying and selling new and second-hand clothes
• Created structured documentation for RECCY, a marketplace app, including requirements, user stories and acceptance criteria.
• Used Jira and Confluence to organize tasks, describe application logic and present project documentation clearly.
• Created diagrams and basic process flows to explain how users interact with the system.
• Practiced translating user needs into clear tasks, which is useful for support, QA and IT teams. SQL & Technical Practice | Self-study / Stepik /
Practical training
• Practiced SQL regularly using customer, product and order datasets in PostgreSQL and SQLite.
• Solved tasks involving filtering, joins, grouping, aggregations, CASE statements, subqueries, CTEs and basic window functions.
• Built simple analytical queries for checking data, understanding records and finding patterns in orders and products.

EXPERIENCE

Administrative / Cultural Department Internship | Remote Internship | 3 months Vinnytsia City
Council / Department of Culture
 • Supported routine administrative and documentation tasks for cultural and public-sector activities.
• Helped organize working materials, structure information and prepare simple visual diagrams for selected processes.
• Gained experience in professional communication, documentation accuracy and process-oriented thinking.

EDUCATION

Jagiellonian University (Uniwersytet Jagielloński) | 2023 - 2026
Bachelor's degree, Intercultural Relations (Relacje międzykulturowe)
Beetroot Academy | 2025 - 2026 | Business Analysis in IT Course (4 months)

LANGUAGES

Polish: C1 (Advanced / Fluent) | English: B1 (actively improving) | Ukrainian / Russian: Native