Костянтин

BELTIK KOSTIANTYN
Data, Integration & Software Engineer
[відкрити контакти](див. вище в блоці «контактна інформація») [відкрити контакти](див. вище в блоці «контактна інформація») Lviv, Ukraine
Java engineer, data engineer, data analyst with 10 years of experience in IT
industry. Strong soft skills, team player, T-shaped specialist, problem solver.

EXPERIENCE: EDUCATION: SKILLS:
Workato Platform Engineer Odessa National Academy of Food Java Kotlin
Hubspot (Digis) Technologies Groovy Gradle
10/2025 - Present Remote, Ukraine 04/2007 - 07/2013 Odesa, Ukraine
Specialist, Faculty of Information Technology Git SVN
- Workato platform administration with almost 300
active users and Cyber Security AWS Jenkins
- A lot of custom connectors development
Docker Kubernetes
- Learned proper way to handle collaborative PROFESSIONAL DEVELOPMENT
development in workato using Git and Workato CLI Tomcat Kafka
- Every day users support in automations development Hillel Redis SQL
and platform questions like acces management, roles,
etc. Java Core - Certificate #HISO 6597 8002 Tableau Looker
- AHQ with agentic (Genies) development 2019
Spring Boot Micronaut
Workato Integration Engineer Hillel
Cleverbridge (N-iX) Linux Testcontainers
Java EE - Certificate #HISO 2857 6446
11/2024 – 09/2025 Remote, Ukraine 2020 Trac Jira
- Development of automations using Workato platform
Robot Dreams BigQuery Workato
- Acquired full Workato certification
- Learned Ruby at basic level and developed custom Design Patterns & Refactoring Python Spring
connectors for Workato
- Incorporated usage of generative AI to boost
2023 Claude Codex
performance AWS AI Practitioner
- Was directly involved in external clients consulting and 2024
their system integration with our internal systems
Workato Certified Professional LANGUAGES
regardless of tooling clients use including custom API's
- As a data engineer was a leader of NDA data extraction 2024 Ukrainian
project from HTML/PDF sources Workato Certified Professional Native
BI Engineer 2025 English
GeeksForLess Advanced
08/2024 - 11/2024 Remote, Ukraine ACHIEVMENTS
- Acquired Looker and BigQuery experience
As a Data engineer volunteered to
HOBBIES
- Suggested and wrote detailed technical
documentation on full DWH database rework for a investigate, create and support a bunch of
drastic performance improvements Tableau worksheets which simplified whole
Video Games
Java Software Developer department work significantly.

NielsenIQ As a Support engineer volunteered to learn
10/2021 – 11/2023 Odesa, Ukraine
Jenkins job development (plus Groovy) and Tabletop Games
- One of the key developers (streaming implemented a job to replace old manual
part) of Shippity application:
CI/CD process. This project have cut
https://shippity.com/ support task for 30-40% giving a start for
3D Printing
- Development and bug fixes for internal tooling future support department merge with core
Java Software Developer department.
Miniatures
Rakuten Intelligence Painting
07/2019 – 10/2021 Odesa, Ukraine In a new position of BI Engineer
- Basic infrastructure and code support. volunteered to rework whole DWH
- New internal tools development, POC structure to improve performance of BI
development. related queries and did all the work
- Refactoring of old tools, including complete rewriting researching BigQuery performance
and moving to new infrastructure standards. optimization

Data Engineer
Slice Technologies, Inc
VOLUNTEERING
04/2014 - 07/2019 Odesa, Ukraine DrukArmy & WinUA Hub
- Data extraction and conversion specialist.
3D Printing
- Acquired a lot of MySQL knowledge (a lot of
Since 2023
procedures writing, data gathering & transformation)
- Started Java path with internal side project