Available to hire
I have over 8 years of experience specializing in Ruby and Ruby on Rails development, working on diverse projects including healthcare, real estate, billing systems, and travel booking platforms. I am passionate about creating well-designed and efficient solutions that drive business success.
I value thoughtful design and clean coding and enjoy leveraging programming languages and frameworks to build products that users love. I am determined, decisive, and logical, always proactive in tackling challenges to deliver quality results.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Language
Ukrainian
Fluent
English
Advanced
Polish
Advanced
Russian
Advanced
Work Experience
Backend Web Developer at Teknika Corporation
September 1, 2024 - PresentDeveloped and maintained the API for a travel booking platform that allows guides to list trips and customers to book online. Implemented secure authentication, optimized database queries for performance and scalability, and integrated third-party payment processing to enable seamless transactions.
Full-Stack Web Developer at Hetzner/xneelo
June 30, 2024 - August 26, 2025Worked on the billing team building an end-to-end payment process utilizing Secure Form Card Tokenization, 3D Secure authentication protocol, and the PaymentsOS REST API platform.
Full-Stack Web Developer at Vertalab
July 1, 2019 - August 26, 2025Designed a global Salesforce exporter service adaptable to all new Salesforce objects for WunderAgent GmbH. Maintained a crawler service that parsed, deduplicated, and imported real estate listings from partner websites.
Backend Web Developer at Healthcare project
July 1, 2017 - August 26, 2025Developed a web platform supporting 24/7 connectivity between seniors and their caregivers. Built a JSON API backend for integration with a smart bracelet, as well as frontend React web and related mobile applications.
Frontend Web Developer at Freelance
February 1, 2017 - August 26, 2025Worked on short-term projects including enhancements to a city web portal and development of a streaming app for a radio station.
Education
Ruby and Ruby on Rails at LITS Code School
January 11, 2030 - January 1, 2016Qualifications
Master of Ecology and Environmental Protection Quality
January 11, 2030 - January 1, 2013Industry Experience
Healthcare, Real Estate & Construction, Financial Services, Travel & Hospitality
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Hire a Web Developer
We have the best web developer experts on Twine. Hire a web developer in Kraków today.