Ігор

Frontend developer
[open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)

Summary
Full‑stack JavaScript developer with strong frontend focus (React + TypeScript) and a background in
QA and automation. Took core part in implementing company‑wide Playwright UI integration testing
practice; progressed from QA → Frontend → Full‑stack. Currently working on integrating AI image
generation to accelerate artist workflows.

Key Achievements
Designed and implemented a NestJS backend service and REST API to support frontend features,
improving API consistency by 30% and simplifying frontend–backend integration.
Progressed from QA → Frontend → Full‑stack, taking ownership of UI architecture and testability.
Built responsive, component-driven UIs with React, TypeScript and Material‑UI (MUI).
Implemented/maintained end-to-end and integration tests (Playwright, Selenide) across several
roles.
Collaborated with product managers and a 10-person fullstack team, owning end-to-end delivery
of multiple features (BE + FE), ensuring alignment with project goals.

Technical Skills
Frontend: React, TypeScript, JavaScript (ES6+), Material-UI (MUI), Yup, Lodash Backend: NestJS,
RESTful APIs, TypeORM, MariaDB Quality: Playwright, Selenium WebDriver, Selenide, e2e testing,
Integration testing Other: Redux, Redux-Saga, CI optimization

Professional Experience
Playtika - JavaScript Developer

Period: February 2024 - Present
Image Display Platform (Full‑stack)
Team size: 10-person fullstack team
Developed frontend and backend features to fetch and display ML-provided images using React,
Redux + Saga, MUI, and WebSocket-driven updates, enhancing user experience with real-time
image delivery.
Implemented NestJS backend with MariaDB + TypeORM, REST endpoints and real-time WebSocket
integration.
Managed PostgreSQL databases for application data storage, optimizing query performance and
data retrieval.

Playtika - Generative UI Builder (Frontend — Owner)

Period: February 2022 - February 2024
Built from scratch a React-based UI builder for user triggers/actions using Redux + Redux-Saga,
MUI, Storybook and Figma-driven designs.
Implemented dual-mode editor: component-based form (inputs, dropdowns, switches) and
switchable YAML textarea with validation/formatting (Yup).

Integrated REST APIs and implemented end-to-end tests with Playwright.

Playtika - QA Automation Engineer

Period: June 2021 - February 2022
Generative UI Builder for Game User Flows
Implemented FE integration tests with Playwright (TypeScript).
Developed e2e Selenide tests.
Developed contract and integration backend tests.
Optimized build run on CI.
Set up environments in AWS for testing, deployed and ran services there, and executed automated
tests.
Utilized Git for version control and collaboration, ensuring code quality and consistency across the
development team.

Form - Quality Assurance Automation Engineer

Period: June 2020 - May 2021
Refactored old tests with Selenide.
Tested infrastructure changes with automation tests runs.
Introduced Selenide tests standard.

SPD-Ukraine - QA Automation Engineer

Period: October 2016 - June 2020
Maintain UI tests using Selenium WebDriver with Java.
Maintain and implement new API tests.
Write tests for new and already released features.
Discuss feature coverage by UI and API tests with Manual QA Team.

Education
National Transport University: Master of Economics, Corporate economics (2010 - 2015)

Career Focus

Seeking senior frontend or full-stack roles with ownership of UI architecture and testability.