Денис

Data engineer

Considering positions: Data engineer, Python-програміст, Java-розробник
Employment type: full-time, part-time
Age: 28 years
City of residence: Koriukivka
Ready to work: Chernihiv, Kyiv, Remote
Considering positions:
Data engineer, Python-програміст, Java-розробник
Employment type:
full-time, part-time
Age:
28 years
City of residence:
Koriukivka
Ready to work:
Chernihiv, Kyiv, Remote

Contact information

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Work experience

Інженер-конструктор

from 05.2024 to now (1 year 9 months)
Чернігівобленерго, Корюківка (Енергетика)

Language proficiencies

  • Ukrainian — fluent
  • English — average

Additional information

Lapitan Denis
Date of Birth: 15 september 1997
Region: Koryukovka,
Chernihiv region
Phone: [open contact info](look above in the "contact info" section)
E-mail: [open contact info](look above in the "contact info" section)

Key information:
Strong understanding of object-oriented programming (OOP) and software development principles;
Knowledge of Agile methodologies and SDLC;
Experience with software testing principles;
Proficient in SQL(MySQL, PostgreSQL, MS SQL Server) and Python (Pandas, NumPy) for data analysis;
Hands-on experience with ETL/ELT pipelines, SSIS, and data quality engineering;
Familiarity with cloud platforms: AWS, Azure, GCP;
Experience in data visualization using Power BI and creating user-friendly dashboards;
Additional backend experience: Java, Kotlin, Android basics (Jetpack Compose).

Education:
- Educational and Scientific Institute of Business Technologies "UABS"
(Sumy) 2015 - 2019, banking technologies, economic cybernetics.
-SumDU, Faculty of technical systems and energy efficient technologies
2019-2020, computer mechanics.

Experience:
Itransition (Sep 2021 - July 2022).
Developed and maintained a web project using Java/Kotlin and Angular, fixing bugs and adding minor features. Migrated
the application from JavaFX to Desktop Compose, Jetpack Composes analogue for desktop.

JSC Chernihivoblenergo, Koriukivka REM (May 2024 - Present)
Collected, processed, and analyzed operational data from multiple sources to support team and cross-departmental tasks.
Generated SAP reports to track field crews completed work and visualized updates using a graphic editor. Performed
manual data updates for internal users due to system limitations; prepared Excel files to efficiently identify required
changes. Consolidated data from multiple sources into structured tables and delivered results to internal teams, including
the Sales Department

Languages:
English - Intermediate
Ukrainian - native

Courses, trainings, certificates:
Basics of information security. Year of completion 2017
Basics of software testing. Year of completion 2018
Basics of Web UI Development
https://courses.prometheus.org.ua:18090/downloads/39a728898e8340d387aa
77c5d477f4f8/Certificate.pdf
Hobby:
Computer games, sports, music.

Personal qualities:
diligence;
sociability;
learning;
stress management;
energy;
responsibility;
timeliness;
optimism;
I have a great desire to develop and work.

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