Юрій

Yuriy Kurilyuk
Senior Backend Developer | PHP · Laravel · REST APIs · SaaS Architecture
Ternopil, Ukraine • Remote • [открыть контакты](см. выше в блоке «контактная информация») • github.com/yuriyua •
[открыть контакты](см. выше в блоке «контактная информация»)

PROFESSIONAL SUMMARY

Senior PHP/Laravel developer with 15+ years of experience building scalable SaaS platforms, RESTful APIs, and
enterprise automation systems. Proven track record leading backend architecture from inception to production scale, with
deep expertise in Shopify integrations, AI/LLM providers, and high-load database optimization. Experienced in distributed
remote teams; delivering clean, maintainable solutions in Agile environments.

TECHNICAL SKILLS

Backend: PHP 8+, Laravel, Symfony (basics), Node.js (basic) · Frontend: JavaScript (ES6+), Vue.js, React (basic),
HTML5, CSS3, Tailwind CSS, AdminLTE · Databases: MySQL, PostgreSQL, Redis — schema design & query
optimization for large datasets · APIs: REST, GraphQL, Shopify API (REST + GraphQL), OpenAI / AI providers,
Webhooks · Architecture: SaaS, microservices concepts, agent-based systems, clean/modular architecture · DevOps /
Cloud: Docker, Git, GitHub Actions (CI/CD), Linux server admin, AWS (EC2, RDS, S3), VPS · Security: OAuth2, JWT,
RBAC, encryption, security best practices

PROFESSIONAL EXPERIENCE

Senior Backend Developer (Lead) — TransparenTerra
2021 – 2026 | 5 years | Remote | Sustainability & Transparency Platform
Joined at project inception and owned backend architecture end-to-end through 5 years of continuous production
operation. Led all major design decisions, scaling strategy, and maintainability of a complex data-heavy platform.
•​ Designed and implemented modular, service-oriented Laravel architecture from scratch, enabling long-term
scalability and clean separation of concerns
•​ Built RESTful APIs for sustainability data ingestion, automated reporting pipelines, and analytics dashboards
serving real-time KPIs and GHG emissions metrics
•​ Optimized complex database schemas and queries handling large historical datasets — reduced report generation
time by improving indexing and query strategies
•​ Implemented authentication, RBAC, and role-based authorization across multi-tenant system
•​ Developed third-party data integrations and data visualization pipelines
•​ Maintained 99%+ system reliability via performance monitoring, proactive refactoring, and infrastructure
improvements
Senior PHP / Laravel Developer — Freelance
2018 – Present | Remote
•​ Designed and delivered SaaS platforms, internal dashboards, and automation tools from concept to production
using Laravel and modern frontend frameworks
•​ Built Shopify integrations (GraphQL & REST API) — product management automation, inventory sync, and custom
workflow tools for e-commerce clients
•​ Integrated payment gateways and AI/LLM providers (OpenAI, Google AI, Perplexity) into production systems
•​ Developed CRM systems, reporting dashboards, and business workflow automation tools
•​ Implemented secure authentication (OAuth2, JWT), RBAC, encryption, and scalable API design patterns
•​ Optimized MySQL/PostgreSQL performance for high-load applications
Web Developer / Full-Stack Developer
2014 – 2018
•​ Built custom web applications, CMS systems, and business automation tools
•​ Developed custom WordPress plugins and themes with complex backend logic
•​ Implemented REST APIs and third-party service integrations
SELECTED PROJECTS

SaaS AI Agent Platform
Unified multi-LLM interface supporting OpenAI, Google AI, and Perplexity. Features agent-based architecture,
embeddings-based context selection, and real-time streaming responses — enabling intelligent workflow automation at
scale.
Shopify Automation Toolkit
Custom Laravel backend toolset for Shopify merchants — automated product management, inventory synchronization,
and multi-store workflow automation via Shopify GraphQL API.
Sustainability Reporting Dashboard (TransparenTerra)
Enterprise GHG emissions reporting system with interactive charts, executive KPI dashboards, and automated
sustainability documentation generation for compliance reporting.
Home Energy & IoT Monitoring Dashboard
ESP32-based IoT power switching logic with solar planning tools and real-time energy monitoring dashboard — designed
for residential smart energy management.

EDUCATION

Master of Computer Applications (MCA), Computer Science
Ternopil National Technical University | 2007 – 2012

LANGUAGES

Ukrainian — Native Russian — Fluent English — Intermediate (professional communication)

ADDITIONAL

•​ Available for long-term remote contracts and SaaS product development
•​ Experienced in Agile workflows, async distributed team collaboration, and clear technical communication
•​ Focus on clean architecture, maintainability, and building systems that scale