Iryna

Technical Writer | Business Analyst

Name: Iryna Korchak
Date of birth: 01/07/84
Contact me: [відкрити контакти](див. вище в блоці «контактна інформація»)
Telegram: @iryn_ko
[відкрити контакти](див. вище в блоці «контактна інформація»)
From Vinnitsa, Ukraine

SUMMARY

Hi! I am a Technical Writer with 20 years of experience building technical documentation systems for
large-scale businesses in the Retail Tech, FinTech and Hardware sectors. I create both API and user
documentation - from API references to user tutorials (API References, Swagger, Tutorials, User Guides,
How-tos, Installation guides, Wiki pages for support teams, and Video Instructions).

Motivated Junior Business Analyst with comprehensive internal training from TemaBit Fozzy Group.
Equipped with strong foundational knowledge in full-cycle business analysis, process modeling (BPMN, UML),
and data visualization. Proficient in bridging the gap between business needs and IT solutions using Agile
methodologies (Jira, Confluence). Skilled in translating raw data into actionable insights using MS SQL, Data
Warehousing principles, and Power BI (DAX, Power Query).

I’m open to remote opportunities where strong skills can make a real difference.

Top skills:
Technical Writer:
Software Development Life Cycle (SDLC), Agile/Scrum, Jira, Confluence.
Microsoft 365: Word, Excel, PowerPoint, Outlook, OneDrive, Microsoft Teams, SharePoint,
SharePointDesigner.
Application Programming Interfaces (API), Swagger API, HackMD, Notion (Productivity Software).
InDesign, Illustrator, CorelDraw, Adobe Photoshop, Powerpoint, Figma, TechSmith Snagit, Draw.io,
Miro, Artificial Intelligence (AI).
Movavi Video Suite (Video Instruction creation).

Business Analysis (BA/BI):
Business Analysis: Requirement Gathering, Stakeholder Management, Process Modeling, User
Stories, Use Cases.
Business Intelligence & Notations: Power BI (DAX, Power Query), Data Modeling, Data Visualization,
Data Warehousing (DWH), BPMN, UML.
Databases: MS SQL.

EDUCATION

1991-1999 - Art School.
1991-2001 - Secondary school №1 specializing in English. Graduated with honors.
2001-2006 - Vinnitsa National Technical University (VNTU) - Faculty of Automation and Computer Control
Systems.

LANGUAGE

Ukrainian - native. English - excellent written (С1), conversational (B2).

LICENSES & CERTIFICATIONS

In 2013, completed a two-month course in management and marketing at the Budrada project.
In July 2018, completed a three-month QA (Agile/Scrum) course in the Center of Modern IT Education in
Vinnitsa – Pointer (from Astound Commerce).
In December 2026, completed a corporate training program based on the TemaBit Fozzy Group
knowledges, gaining a foundational understanding of the core concepts in business analysis.

PERSONAL QUALITIES

My interests include graphic design, drawing and maintaining a healthy lifestyle. Regular walks and
cycling help me keep my mind focused for creative work and writing documentation. My main priority for
restoring emotional balance is spending quality time with my family and my pets. In stressful environments,
I remain calm, highly adaptable and always open to constructive feedback.

CAREER HISTORY

Company POSUA (POS-equipment and software manufacturer)
https://posua.com/uk/
Position Technical Writer / Content Manager
Duration Dec 2005 - Nov 2015
Tasks & Duties - Authored comprehensive technical documentation, including user manuals,
operating principles, and setup guides for a wide range of B2B POS hardware
(programmable keyboards, customer displays, MSRs and custom controllers).
- Developed software and integration documentation, covering companion
software, data exchange protocols, and integration libraries for B2B partners.
- Localized technical content by translating user manuals and product specifications
from Ukrainian into English for international markets.
- Administered the corporate website, published technical articles, and prepared
materials for commercial print.

Company KORBI (Laser Engraving Company)
Position Laser Engraving System Coordinator (Self-employed)
Duration Jan 2016 - Dec 2020
Tasks & Duties - Managed end-to-end laser engraving operations, from direct production to
equipment maintenance.
- Designed and prepared vector layouts and graphic mockups.
- Administered the corporate website (content management).
- Executed SMM campaigns to promote products and drove domestic sales.

Company XPAY GROUP LLC (FinTech)
https://www.xpay.com.ua/
Position API Technical Writer
Duration Apr 2022 - Sep 2022 (Part-time)
Tasks & Duties - Authored and maintained comprehensive API documentation (internet acquiring).
- Documented microservices architecture and complex backend functionality.
- Established and managed internal documentation standards.

Company TemaBit Fozzy Group (Retail Tech)
https://temabit.com/uk/
Position Technical Writer
Duration Apr 2021 - Present
Tasks & Duties - Documented large-scale retail IT products, supporting major national
supermarket chains (Silpo, Fora, Thrash).
- Provided end-to-end documentation for key enterprise projects, specifically the
"BitSvit Platform" (Identity & Access Management) and "Bonuses & Prices"
(Merchandising System).
- Authored and maintained comprehensive user manuals and structured knowledge
bases via Confluence and Wiki.
- Integrated documentation workflows into Agile/Scrum sprints, managing tasks
efficiently within Jira.
- Scripted and produced engaging video instructions to enhance the user learning
experience.

Company TemaBit Fozzy Group (Corporate Training Program)
Position Junior Business Analysis (BA/BI)
Duration Dec 2026 - Present
Tasks & Duties - Gathered and translated business requirements into formal User Stories and Use
Cases through effective Stakeholder Management.
- Mapped and analyzed business processes using BPMN/UML in Miro and Draw.io.
- Wrote MS SQL queries to extract and analyze raw data from the Data Warehouse
(DWH).
- Transformed data using Power Query and built logical Data Models for reporting.
- Developed interactive Power BI dashboards, using DAX for advanced calculations
and Data Visualization best practices.
- Maintained project documentation in Confluence and managed tasks in Jira within
an Agile/Scrum environment.