Костянтин

KOSTIANTYN YATSENKO
R U B Y O N R A I L S D E V E LO P E R

EXPERIENCE
Breeze Location
Backend Ruby developer 2024 - Present
CONTACTS • Development of internal marketing automation tools.

• Developing integrations with analytics and tracking platforms.
[open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section) • Developing and maintaining mobile app APIs and backend services.

[open contact info](look above in the "contact info" section) Ruby Garage, ExpertBox Location
Ukraine, Dnipro Ruby on Rails Developer 2022 - 2024
• Developing and maintaining RESTful API applications in Ruby on Rails.
SUMMARY • Development and enhancement of existing application features.
I am a skilled Ruby on Rails developer with • Debugging, bug fixing, and maintenance of the existing codebase.
extensive experience developing
and maintaining RESTful API • Integration with third-party payment APIs and services (Stripe, PayPal).
applications and mobile app backends. I
have hands-on experience with various Yamagata Location
integrations, including third-party Technical Support 01/2021 - 12/2021
payment systems. Coming from a linguistics • Multilingual technical support and localization services for short-term IT project
background, I have come a long way through implementation.
self-learning and gaining new experience in
technology. I am enthusiastic about utilizing new Company Name Location
technologies and finding effective solutions. Japanese Interpreter 2015 - 2021

TRAINING / COURSES EDUCATION

Full-stack web-development course High School Dnipro, Ukraine
Le Wagon Tokyo Bootcamp 22 Date period

AWS Certified Cloud Practitioner Oles' Honchar University Dnipro, Ukraine
AWS Japanese studies 2013

LANGUAGES

ENGLISH Advanced

JAPANESE Advanced

UKRAINIAN Native

SKILLS

Ruby Rack PostgreSQL Ruby on Rails
Sinatra React REST Docker AWS Rspec
Capybara Cypress Redis CICD Git

INTERESTS
Golang
Kendo

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