Serhii
Full-stack javascript engineer
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Work experience
Full-Stack JavaScript Engineer
from 01.2023 to 11.2025
(2 years 11 months)
Bidmatic Inc., USA, Одеса (Маркетинг, реклама, PR)
__________________________________________
Project 1: Ad Toolkit for Programmatic Ads
Description
Configurable utility layer for publishers to serve programmatic ads.
Responsibilities
1. Developed and maintained client-specific builds; introduced microservices for optimized bundle generation.
2. Refactored configuration API to improve extensibility and reduce integration complexity.
3. Delivered custom ad formats and creatives for Google Ad Manager.
4. Built advanced ad orchestration scripts using Prebid, GPT, and internal tools.
5. Wrote automated tests to prevent recurring issues.
Results
1. Faster, cleaner, more reliable build pipeline; dead code eliminated.
2. Publishers could integrate both extended and fully custom ad formats.
3. Automatic ad insertion replaced manual placement across most clients.
4. Toolkit gained more configuration options and integration tools.
Technologies
Google Ad Manager, Prebid, Preact, googletag, Gulp, Rollup, Vite, Vitest, Playwright, TypeScript, JavaScript, Figma.
________________________________________
Project 2: Video Content Player with Ads
Description
Flexible video player supporting playlists, AI-generated content and complex ad logic.
Responsibilities
1. Improved support for banner and video ads using plugin-based ad manager.
2. Designed modular architecture with dynamic imports for client-specific modules.
3. Optimized load time and bundle size; reduced dependencies.
4. Implemented compliance with TCFAPI, USPAPI, Google FC, and multiple CMPs.
5. Monitored CWV and optimized runtime.
6. Built CI-friendly logging and diagnostics.
Results
1. Modern modular architecture enabling rapid feature development.
2. Automatic player insertion significantly improved publisher experience.
3. Fast load times and reliable ad performance.
Technologies
IMA SDK, PAL SDK, googletag, Preact, Gulp, Rollup, Vite, Vitest, BrowserStack, Playwright, TypeScript, Figma.
_______________________________________
Project 3: Audio Stream Player with Ads
Description
Super-light audio player with pre-roll ads.
Responsibilities
1. Designed and built from scratch a lightweight player with ultra-fast loading.
2. Added support for custom page-integrated scripts.
Results
1. Up to 10 times faster loading, enabling longer ad-request windows without harming UX
2. Player adopted by multiple radio stations.
Technologies
IMA SDK, PAL SDK, Preact, Preact Signals, Vite, Vitest, BrowserStack, TypeScript, JavaScript, Figma.
______________________________________
Project 4: AI-assisted Video Generator
Description
Multi-service backend generating videos from articles using AI avatars, voice synthesis, and content analysis.
Responsibilities
1. Designed, developed, deployed, and maintained microservices.
2. Built admin UI features, templates, and rendering pipelines.
3. Implemented content parsing (RSS/XML), extraction, and media handling.
4. Integ
Javascript Developer
from 08.2021 to 10.2022
(1 year 3 months)
GBSFO, Inc., Одеса (IT)
Project: Unified SPA for Multiple CISCO Services
Description
SPA platform combining several CISCO services under one login.
Main responsibilities
1. Maintained Web Components-based framework (custom + Polymer).
2. Co-implemented new TS-based Web Components framework on lit-html.
3. Integrated several existing services under unified SPA (SSO, navigation, notifications).
4. Implemented UI components: forms, modals, dashboards, menus, widgets.
5. Worked with distributed teams (US/India) using CI/CD workflows.
Main results
1. Delivered multi-service SPA with unified access to CISCO tools.
2. Co-designed modular component framework improving maintainability and velocity.
3. Consolidated UI flows, introduced TypeScript, modernized architecture.
Technologies
JavaScript, TypeScript, Web Components, Polymer, lit-html, Gulp, Jenkins, Bitbucket, Jira
Education
Odessa National University. I.I. Mechnikov
Jurisprudence
Higher, from 2008 to 2013 (5 years)
Additional education and certificates
JAVASCRIPT CORE course + REACT at ANDERSEN
2021, 3 months
Advanced python programming course at the HILLEL IT school
2019, 3 months
Дія. Цифрова освіта
1 день
Certificate
Knowledge and skills
- JavaScript
- HTML
- CSS
- Git
- React
- GitHub
- Figma
- TypeScript
- Node.js
- SASS
- SQL
- MySQL
- MongoDB
Language proficiencies
- English — advanced
- German — beginner
- Ukrainian — fluent
References
Генадій Мороз
CEO, Bidmatic Inc.
Additional information
I love reading science fiction and fantasy books
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