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Andrii Oleinych Full Stack Developer
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Full-Stack Developer with 7 years of experience in building, LANGUAGES
maintaining, and optimizing scalable web applications and business
platforms. Strong expertise in Laravel, PHP, React, Vue.js, Ukrainian | English — Upper-Intermediate
TypeScript, and modern frontend/backend development practices.
Experienced in leading frontend development, collaborating with
SKILLS
international clients, and delivering high-quality solutions for
complex, data-driven systems. Programming Languages: PHP | Typescript |
Javascript | Node.js
PROFESSIONAL EXPERIENCE Frameworks and Libraries: Laravel | Adonis |
Vue.js | Nuxt.js | React.js | Next.js
Frontend Team Lead, Predictable Benefits
Jun 2025 – Jun 2026 | US, Remote Databases: MySQL | PostgreSQL | MongoDB |
Served as Frontend Team Lead for Predictable Benefits , a large- Redis | FireBase | Elasticsearch
scale health benefits management platform. Led frontend Frontend: HTML5 | CSS3 | SASS/SCSS |
development using React, TypeScript, and Redux, building scalable, Tailwind | Vuex | Reddux
data-driven interfaces for enrollment and benefits workflows.
Payment Systems: Stripe | Paypal | Trolley |
Implemented file upload and processing for multiple formats (CSV,
Excel), including data validation and transformation. Managed Fondy | NowPayments| Paytrail | Klarna| Klix
technical decisions, code reviews, and team mentoring while Admin Panels: Laravel Nova | Filament |
collaborating closely with backend engineers, designers, and a US- Voyager
based client through daily meetings and sprint planning.
Real-time Communication & Message
Full Stack Developer, Intobi Queuing: RabbitMQ | Pusher | Reverb |
Jul 2025 – Jun 2026 | Remote WebSocket | Socket.io
Developed and maintained scalable web platforms using Laravel, DevOps: AWS (EC2, S3, Lambda) | Digital
Node.js for backend architecture and Vue.js for responsive frontend Ocean | Laravel Forge | Hetzner | Heroku |
interfaces. Implemented real-time communication through CI/CD (Jenkins, GitLab CI, GitHub Actions,
WebSockets, enabling instant data exchange and live updates across BitBucket Pipelines)
the system. Integrated third-party payment systems and delivery
Monitoring: Sentry | New Relic
services, ensuring seamless business operations. Improved
application performance by leveraging queue processing, database Documentation: Request Docs | APIDOC
query optimization, and efficient handling of large datasets in high- Generator | Swagger
load environments. Email Services: MailGun | Mailtrap | Mailhog
Full Stack Developer, NewGen CMS: Bitrix | Wordpress | OkayCSM |
Jan 2025 – Jun 2025 | Remote OctoberCSM
Developed full-stack applications using Laravel APIs with multiple Development & Build Tools: Docker | Vite |
frontend frameworks: Vue.js for interactive dashboards, React.js for Webpack
complex user interfaces, Nuxt.js for SEO-optimized marketing sites,
and Next.js for e-commerce platforms. Implemented responsive EDUCATION
designs, optimized bundle sizes, and ensured cross-browser
compatibility. Collaborated with design teams to translate mockups Master's Degree in Data Science,
into functional applications while maintaining consistent user Vasyl’ Stus Donetsk National University
experience across different framework implementations. Sep 2020 – Dec 2021 | Vinnytsia, Ukraine

Bachelor's Degree in Computer Science,
Donetsk National University
Sep 2016 – Jun 2020 | Vinnytsia, Ukraine

Andrii Oleinych [открыть контакты](см. выше в блоке «контактная информация»)
Full Stack Developer, Tunelab
Sep 2023 – Dec 2024 | Remote
Architected and developed scalable web applications using Laravel
MVC framework with Eloquent ORM for backend services and Vue.js
with Vuex for state management on frontend. Integrated real-time
features using WebSockets, implemented comprehensive testing
suites, and managed deployment pipelines using Docker containers.
Designed database relationships, created automated migration
scripts, and maintained API documentation for seamless team
collaboration.
Full Stack Developer, Ukrainian IT Family
Jun 2022 – Aug 2023 | Remote
Developed and maintained web applications using Laravel and Vue.js.
Collaborated with cross-functional teams to define, design, and ship
new features. Implemented RESTful APIs and integrated third-party
services to enhance functionality.
Backend Developer, Safrasoft
Nov 2020 – May 2022 | Remote
Engaged in PHP development using Bitrix CMS, focusing on writing
templates and custom components. Enhanced functionality for online
stores and blogs, improving overall performance and user experience.

Andrii Oleinych [открыть контакты](см. выше в блоке «контактная информация»)