Владислав

Vladyslav Antonov
B A C K E N D D E V E L O PE R

PROFESSIONAL SUMMARY
Backend Developer with 3 years of experience architecting high-load e-commerce platforms using PHP
(Laravel/Symfony) and (Vue/Nuxt). Currently driving international expansion at Paint Digital Agency by
designing multi-currency engines and complex logistics systems. Expert in transforming legacy code into
scalable, domain-driven architectures (DDD, CQRS) and optimizing performance. Establishing automated
CI/CD pipelines that accelerated development cycles and ensured code stability through rigorous PHPUnit
testing

Phone: Email: Address:
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) Porto, Portugal -
willing to relocate
TECHNICAL SKILLS
Backend: PHP, Laravel, Symfony, REST API,
Data: PostgreSQL (SQL), MySQL, Redis, ElasticSearch, AWS
DevOps & Tools: Docker, CI/CD (Jenkins, GitLab CI/CD), PHPUnit, Git, Postman, Composer
Frontend: Nuxt.js, Vue.js, JavaScript, HTML, CSS
Principles Concepts & Design: Domain-Driven Design (DDD), Event Sourcing, CQRS, TDD, OOP,
Agile (Scrum)

WORK EXPERIENCE
Paint Digital Agency | 2025-present
Backend Developer (Fullstack)
Architected and launched a Multi-Currency & International Shipping Engine, enabling business
expansion into all EU markets. Designed the underlying database schema and logic to support
dynamic currency conversion and region-specific delivery rules.
Developed custom Artisan CLI tools to automate complex shipping configurations, synchronization
with geonames for different types of post offices names
Maintained high engineering standards conducted rigorous Code Reviews, wrote comprehensive
internal documentation for new modules
Implemented GitHub Actions CI/CD for Backend and Frontend, automating delivery cycles and
PHPUnit testing.
StarDesignz | 2023-2025
Fullstack Developer
Engineered a secure payment processing module (PSP integration) using , integrating external
banking APIs for IBAN/BIC validation and ensuring high data security standards.
Optimized and implemented Elasticsearch, reducing average API response time from 2s to 200 ms.
Created a Console command to generate complex product feeds and introduced Redis caching,
lowering database load by 70 %.
Implemented a Console command to import product feeds up to 50,000 items, speeding up
import/export via a CRON job by 40%.
Developed the supporting backend APIs for multi-currency, featuring real-time price conversion
(using CQRS & Caching) and payment gateway validation
Established and maintained a CI/CD pipeline using Jenkins and Docker, automating testing
(PHPUnit) and deployment, improving team velocity.
Actively participated in Agile (Scrum) ceremonies, practiced TDD

EDUCATION
Bachelor of Software Engineering | 2020-2024
Zaporizhzhia Polytechnic National University