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YAROSLAV ZDANEVYCH
FULL STACK DEVELOPER Laravel / PHP · React / Next.js · .NET
Poznań, Poland · [відкрити контакти](див. вище в блоці «контактна інформація») · [відкрити контакти](див. вище в блоці «контактна інформація») · LinkedIn · GitHub · Telegram

PROFILE
Full Stack Developer with nearly 3 years of commercial experience building production web platforms, REST
APIs, CRM systems, and hardware-integrated products with Laravel/PHP, Vue.js/Next.js, and ASP.NET Core.
Delivered end-to-end features across frontend, backend, databases, integrations, and business logic, including
migration and hosting platforms, multi-tenant IoT systems, and physical self-checkout terminals. Built real-time
terminal control with SignalR and centralized complex pricing logic on the backend. Strongest in Laravel and
JavaScript, with a solid .NET foundation.

CORE SKILLS
Languages: PHP, JavaScript, TypeScript, C#, SQL, HTML, CSS
Backend & APIs: Laravel, ASP.NET Core, REST APIs, Eloquent, authentication/authorization, integrations
Frontend: Vue.js, React, Next.js, Blazor, Razor, Tailwind CSS, DevExtreme
Databases: MySQL, SQL Server, Redis, stored procedures, migrations
Testing: PHPUnit, Laravel feature tests, unit testing, validation/error-path testing
DevOps & Tooling: Docker, Git, Vite, Postman, Swagger, queues, build tooling
Architecture: Layered architecture, multi-tenant systems, service layer, real-time systems, SignalR, external
API integrations
Spoken Languages: Ukrainian — Native · English — Intermediate (B1+/B2)

EXPERIENCE
Freelance Full Stack Developer · Independent / Remote
Remote | Sep 2025 – Jul 2026
• Built and evolved production platforms with Laravel, Vue.js/Next.js, MySQL, and Docker, delivering features
across APIs, frontend workflows, databases, authentication, and external integrations.
• Implemented AI-assisted document validation for a migration platform, combining secure uploads, metadata
matching, conflict handling, fallback paths, and multi-role applicant/lawyer/admin workflows to improve
document-processing reliability.
• Refactored duplicated frontend workflows into shared Vue composables and API integrations, reducing
duplicated implementations across multiple UI surfaces and improving maintainability.
• Improved integration reliability around external business systems through validation, OAuth token
caching/retry, payload normalization, diagnostics, and targeted PHPUnit/feature tests.
Junior C# Developer · MINT INNOVATIONS
Ukraine | Nov 2023 – Sep 2025
• Developed end-to-end CRM workflows across ASP.NET Core, DevExtreme, REST APIs, and SQL Server,
including client management and complex backend pricing for packages, quantities, cancellations, manual
totals, validation, localization, and data integrity.
• Built multi-tenant self-checkout management features with Blazor, ASP.NET Core, SQL Server, and SignalR,
supporting company-specific catalogue databases and centralized management of physical checkout
terminals.
• Implemented real-time remote terminal control via SignalR for shift operations, lock/unlock, heartbeat/status
synchronization, and fiscal Z-report triggering, connecting web management software with physical SCO
hardware.
• Delivered IoT refrigeration and power-meter analytics with tenant-aware data access, SQL time-series
aggregation, interactive dashboards, real-time updates, and localized Excel reporting.

EDUCATION
M.Sc. Computer Science · Lutsk National Technical University, Lutsk | Sep 2024 – Dec 2025
B.Sc. Computer Science — Graduated with Honors · Lutsk National Technical University, Lutsk | Sep
2020 – Jun 2024