Contact information

You can get this candidate's contact information from https://www.work.ua/resumes/20572627/

Work experience

Full stack developer

from 08.2025 to now (1 year 3 months)
Freelance, Дистанційно (IT)

Building full-stack web applications. Responsible for AI pipeline, backend and frontend architecture, data layer, testing, and deployment.
- Designed REST APIs with request validation, authentication, role-based authorization, dependency injection, structured error handling, and OpenAPI documentation.
- Built a RAG pipeline for answering questions over [documents/data], including parsing, chunking, embedding generation, vector retrieval, reranking, and source citations.
- Implemented tool calling and Pydantic-based structured outputs to convert model responses into validated application actions.
- Added safeguards for prompt injection, invalid outputs, sensitive data, retries, rate limits, and model-provider failures.
- Exposed the AI workflow through FastAPI and integrated it with a React interface.
- Containerized the application and its infrastructure with Docker and Docker Compose for reproducible local environments.
- Automated testing and quality checks through GitHub Actions.

Full stack developer

from 09.2020 to 07.2025 (4 years 11 months)
Coaching.com, Дистанційно (Освіта, наука)

- Developed reusable UI components with React, JavaScript ES6+, HTML5, CSS3, and SCSS
- Built and maintained React-based frontend features in a headless WordPress CMS architecture using REST API and websites based on WordPress
- Integrated third-party services, including Stripe, Chargebee, Salesforce, AWS, and Zoom
- Supported high-traffic production websites handling 100,000+ users at peak load
- Improved Core Web Vitals and frontend performance, achieving PageSpeed scores up to 98/100
- Worked closely with marketing and sales teams to implement conversion-oriented landing pages, lead-generation flows, subscription journeys, and CMS-driven campaign pages
- Delegated tasks, reviewed implementation quality, and mentored junior developers
- Collaborated with PM, design, backend, and DevOps teams in a remote distributed environment

Javascript developer

from 11.2019 to 09.2020 (11 months)
Rocket Tech, Дистанційно (IT)

- Built React SPA features with reusable component architecture and Redux
- Integrated REST API endpoints and implemented client-side data flows and validation
- Improved UI performance, responsiveness, and maintainability across production interfaces
- Participated in code reviews, refactoring, and frontend quality improvements

Education

Національний університет «Одеська політехніка»

Машинобудівництво, Одеса
Higher, from 2007 to 2012 (5 years)

Knowledge and skills

• JavaScript
• TypeScript
• Node.js
• React
• SQL
• PostgreSQL
• REST API
• MongoDB
• WordPress
• AI integration
• Claude API
• Llm agents

Language proficiencies

• Ukrainian — fluent
• English — above average