Александр

Alexandr Vorontsov
PHP Developer (Back‑end Specialist)

Contacts

●​ Telegram: @AlexandrVorontsovv​

●​ Email: [відкрити контакти](див. вище в блоці «контактна інформація»)​

Objective
Secure a Back‑end PHP Developer role where I can leverage my
experience in building scalable REST APIs, optimizing high‑load
systems, and implementing robust architectural solutions.

Technical Skills
Languages

PHP (7/8), SQL (MySQL, PostgreSQL), JavaScript , Bash

Frameworks & Libraries

Laravel (6–11), Symfony (4.4+), Yii2, Livewire, Vue.js

Infrastructure & DevOps

Docker, Docker Compose, Kubernetes (basic), Git, CI/CD (TeamCity,
GitHub Actions), Nginx, Apache, Vagrant, Supervisor, Cron,
systemd services, Linux server administration (Ubuntu)

Queues & Asynchronous

RabbitMQ, Redis (Pub/Sub, caching, queues), Amazon SQS, Laravel
Horizon, Delayed jobs, Scheduled tasks (queue workers, cron)
APIs & Integrations

REST, GraphQL, OAuth2, OpenAPI​
3rd-party integrations: Amazon Seller Partner, Shopify, Telegram
Bot & Mini App and payment system with telegram, AI integration
as helper assistant, Facebook/Messenger, Viber, Google, Azure,
Firebase, payment providers (Stripe, Telegram, Crypto), custom
APIs (e.g. telecom operators, hotel management systems like Oracle
& Maestro)

Testing & Quality

PHPUnit, Codeception, Postman for API testing

Architecture & Patterns

DDD (in theory and partial practice), CQRS, Event Sourcing,
Repository, Service Layer, Dependency Injection, SOLID, RESTful
API design, modular monolith and microservices patterns

High-Load & Data Processing

Experience with high-load hotel management systems, delayed
task orchestration, report generation over large datasets, periodic
data polling, caching optimization, query performance tuning

AI & Modern Developer Tools

Cursor AI, GitHub Copilot, ChatGPT (prompt-based coding &
debugging), AI-assisted refactoring and documentation
generation, OpenAI API integration​
Writing prompts for spec project, made agile setup for every
project basic on laravel

​
Monitoring & Logging: ELK (Elasticsearch, Logstash, Kibana),
Sentry, Prometheus + Grafana
Professional Experience
ScrumLaunch— PHP Developer​
Apr 2025– now

●​ Developing a high-load hotel management system for
managers and hotel staff, integrating with third-party
providers such as Oracle and Maestro.​

●​ Developing api services for integrations​

●​ Implementing and maintaining large-scale background and
delayed job processing pipelines. Tasks include automated
hotel report generation over configurable time ranges,
periodic data synchronization and polling, and optimized
queue handling to support high-load environments.

MLPco — PHP Developer​
Nov 2023 – Jan 2025

●​ Built and maintained REST APIs for a B2B technical‑control
platform (Laravel, MySQL, Redis)​

●​ Designed microservices architecture with Laravel Lumen and
RabbitMQ for telemetry and notifications​

●​ Integrated Viber, Telegram, Messenger via webhooks and
queues​

●​ Optimized report queries, reducing response time by 70%
through indexing and query tuning​

●​ Implemented monitoring and alerting with Prometheus and
Grafana​

Vilmate — PHP Laravel Developer​
Jan 2021 – Oct 2023
 ●​ Led migration of a legacy Shopify–Amazon app to Laravel 9;
added Redis caching and SQS queues​

●​ Architected telemetry subsystem: data collection,
normalization, aggregation, and visualization (PostgreSQL,
RabbitMQ, Chart.js)​

●​ Developed a subscription‑based news platform (Symfony):
mobile‑carrier integration and push notifications​

●​ Implemented MangoPay and InPost payment modules,
ensuring PCI DSS compliance​

●​ Automated CI/CD pipelines (TeamCity), deployed via Docker
and Ansible​

IteriaSoft — Laravel Developer​
Mar 2018 – Dec 2020

●​ Developed CRM/ERP modules: reporting, RBAC, 1C and
external API integrations​

●​ Implemented OAuth2 (Passport) and JWT authentication​

●​ Improved performance with Redis caching and lazy loading​

●​ Established coding standards (PSR‑12), conducted code
reviews, and mentored junior developers​

Key Projects
Shopify–Amazon Integration App​
Laravel, MySQL, Redis, Amazon SQS, Shopify API, AWS SNS

●​ Refactored legacy PHP into modular Laravel 9 code with
PHPUnit tests​
 ●​ Implemented SQS queues for asynchronous product/order
sync​

●​ Configured Shopify webhooks with retry and dead‑letter
queue support​

Industrial Telemetry System​
Laravel, PostgreSQL, RabbitMQ, Vue.js, Docker

●​ Collected, decoded, normalized, and aggregated sensor data​

●​ Exposed REST API and built a Vue.js dashboard for filtering
and plotting​

●​ Scaled horizontally with DB sharding and message queues​

Plant Trading Social Network​
Laravel, Vue.js, PostgreSQL, Redis, Laravel Nova

●​ Designed domain model with DDD principles​

●​ Integrated Facebook OAuth and event‑driven notifications​

●​ Built admin panel with Nova, custom metrics, and filters​

Safety & Quality Control Platform​
Laravel, Angular, MySQL, Redis

●​ Developed mobile‑ready REST APIs for iOS/Android apps​

●​ Applied architectural patterns for high‑load scenarios​

●​ Integrated Sentry for error tracking and ELK for logs

Mobile Operator Integration​
Laravel Lumen, Docker, RabbitMQ, Redis, REST, OAuth2
 ●​ Architected microservices for real-time SMS/MMS delivery
via major mobile operators

●​ Implemented OAuth2-secured endpoints for partner
integrations

●​ Managed message queues with RabbitMQ and Redis for high
throughput and fault tolerance
●​ Automated deployment with Docker and Kubernetes for
zero-downtime updates

Dam Telemetry & Monitoring System​
Laravel, Docker, RabbitMQ, Redis, REST, OAuth2

●​ Built system to collect, decode, and normalize telemetry from
dam sensors via FTP

●​ Implemented state reduction algorithms and real-time alerts
for critical thresholds

●​ Developed REST API for filtering and plotting water level and
pressure data

●​ Ensured high availability through message queue retries and
database replication

Languages
●​ Russian — Native​

●​ English — Advanced (C1)​

●​ Ukrainian — Native