Владислав 

EXPERIENCE

Backend Developer 2025 — Present

Daylab

→ Architected scalable multi-tenant SaaS platform for medical organizations (clinics & laboratories) with full data isolation via global
scopes
Vladyslav → Engineered three-tier RBAC system where permissions are bound to activated system services — organizations can only grant
Savchenko access within their subscribed feature set
BACK-END ENGINEER
→ Built automated permission propagation via background jobs: new services and permissions sync instantly to all active
organizations without manual intervention
CONTACT
→ Designed Kanban board API with three view modes (by status, stage, assignee) and independent column pagination via filter
[open contact info](look above in the "contact info" section) pipeline architecture
[open contact info](look above in the "contact info" section) → Implemented real-time order chat and WebSocket broadcasting via Laravel Reverb with per-order private channels

LinkedIn → Built lab-initiated order flow where laboratories create orders on behalf of clinics with automatic patient deduplication by phone

Ukraine → Developed multi-scenario sales order system supporting clinic→lab, draft, and lab-initiated creation with automatic actor
resolution

ABOUT → Secured authentication layer: Sanctum (stateful + token), Google 2FA with recovery codes, Google/Apple OAuth via OIDC/JWT

→ Optimized database queries and Redis caching layer designed to handle high-load production traffic
PHP Engineer with 5+ years in high-
→ Developed context middleware for dynamic organization resolution via cookies and headers
load backend systems and multi-
tenant architectures. Specializes in PHP 8.4 Laravel 12 Sanctum Spatie Reverb Redis PostgreSQL Docker OIDC/JWT

secure RESTful APIs, RBAC, and
OAuth/OIDC integrations.

PHP Laravel MySQL
Backend Developer 2023 — 2024

Kronas Furniture Industry
PostgreSQL MongoDB
→ Developed task management microservice (Trello-like) for production floor workers in Laravel microservice architecture
Redis REST API
→ Optimized database queries and implemented Redis caching, reducing response times for high-frequency endpoints
Swagger Docker Git → Improved API response efficiency by returning partial resource representations instead of full models (DTO pattern)

Linux Reverb Sanctum → Maintained and extended REST API services, wrote Swagger documentation

Spatie JWT/OIDC PHP Laravel Redis MySQL PostgreSQL Docker Swagger Jira Git Linux Reverb

Vue.js JavaScript

jQuery Bootstrap Jira

HTML/CSS Deputy Head of IT & Information Security 2019 — 2023

Melitopol City Council

SOFT SKILLS → Led IT department of 4 engineers serving all public institutions of a 150,000-population city

→ Managed cybersecurity infrastructure across municipal servers citywide
Team player
→ Developed and maintained websites for city libraries, municipal departments, and public institutions
Self-learner
→ Oversaw IT operations for all government-affiliated organizations within the city
Great communication
PHP Laravel MySQL Vue.js Bootstrap JavaScript Linux Networks Git
Multi-tasking

PHP Developer 2018 — 2019

Turbocom Group

→ Developed CRM modules for sales and warehouse management of manufactured turbocharger products

→ Built and maintained product catalog for a full-cycle turbocharger manufacturing plant

→ Delivered bug fixes and feature extensions on existing PHP/Laravel codebase

PHP Laravel MySQL Bootstrap Docker Git Linux

Freelance Developer 2014 — 2018

Self-employed

→ Built real estate sales platform with CRM for new residential developments — property listings, client pipeline, and deal
management
→ Developed automotive service website and CRM for steering rack repair shop — customer orders, service tracking, and client
management
→ Integrated third-party services and refactored legacy codebases across multiple client projects

PHP Laravel WordPress MySQL Bootstrap JavaScript jQuery Git Linux

EDUCATION

Master's Degree — Engineering & Computer Technologies
Tavria State Agrotechnological University · 2014