Contact information

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Work experience

Full stack developer

from 01.2005 to now (21 years 8 months)

Telegram: https://t.me/valentininua

PROFESSIONAL SUMMARY

Senior Backend Engineer with 10+ years of hands-on experience in designing, developing, and maintaining scalable web applications, backend systems, and distributed architectures.

Strong expertise in PHP, Node.js, Go, Symfony, Yii, Laravel, React , REST APIs, microservices, system design, database optimization, and DevOps automation. Experienced in building high-traffic solutions across finance, logistics, SaaS, CRM, and automation domains.

Skilled in backend architecture, performance optimization, event-driven systems, CI/CD pipelines, and production infrastructure. Proven experience in team leadership, mentoring, technical decision-making, and full-cycle software delivery.

Additional practical experience with Python-based AI/LLM workflows, including OpenAI API integrations, embeddings, vector databases, RAG concepts, prompt engineering, structured outputs, and AI agent / tool-calling patterns.

CORE COMPETENCIES

Primary Backend Stack:
PHP, Laravel, Symfony, Yii, Zend, REST APIs, Microservices, RabbitMQ, Redis

Additional Languages & Frameworks:
JavaScript, TypeScript, Node.js, Next.js, Java, Spring Boot, Golang, Python

Databases:
MySQL, PostgreSQL, MongoDB, Redis, Oracle SQL

Architecture & Engineering Practices:
System Design, Monolith-to-Microservices Migration, Event-Driven Architecture, CQRS, Hexagonal Architecture, SOLID, GRASP, Clean Code, Full SDLC

DevOps & Infrastructure:
Docker, Kubernetes, GitLab CI/CD, GitHub Actions, Linux, Nginx, Apache

Monitoring & Testing:
Grafana, Prometheus, Sentry, PHPUnit, Jest

Frontend Experience:
Vue.js, React, jQuery, Tailwind CSS, React Native

AI / LLM / Automation:
OpenAI API, embeddings, vector databases, RAG pipelines, prompt engineering, structured outputs, automation workflows, AI agent concepts, tool-calling patterns



ADDITIONAL INFORMATION



English:
A more detailed CV is available upon request.

Russian:
Более подробное резюме вышлю по запросу.

Ukrainian:
Більш детальне резюме надішлю за запитом.

Spanish:
Enviaré un CV más detallado a pedido.




Telegram: https://t.me/valentininua

Education

Taras Shevchenko National University

Faculty of Radiophysics, Київ
Higher, from 2005 to 2011 (6 years)

Master

Knowledge and skills

• MySQL
• Laravel
• React
• JQuery
• Symfony
• Vue.js
• Docker
• DDD
• Знання принципів TDD
• Node.js
• Java
• Nginx
• PostgreSQL
• SOLID Principles
• Scrum Agile
• Golang
• Yii
• Python
• PHP
• Spring Boot
• JavaScript
• TypeScrip
• Next.js
• Tailwind CSS
• MongoDB
• Redis
• Oracle SQL
• Event-Driven Architecture
• CQRS
• Hexagonal Architecture
• REST AP
• RabbitMQ
• Elasticsearch
• GitLab CI/CD
• GitHub Actions
• Linux
• Apache
• HTML
• Git
• WordPress

Language proficiencies

• English — above average
• Ukrainian — fluent