Сергій

Serhii Melnyk
telegram: @serhii_backend

About me
Back-End Web Developer with a good knowledge of Laravel + Vue.js. I have experience in front-end web
development and am result-oriented. I am proficient at finding solutions to any task. I am a team player who
can also work independently.

English level
B1-B2

Main skills
●​ PHP
●​ Laravel
●​ Redis
●​ Web-Socket (Realtime)
●​ Vue.js v2-3
●​ Yii2 framework
●​ MySQL
●​ PostgreSql
●​ Git
●​ HTML5
●​ CSS3

Additional skills
●​ Design Patterns
●​ OOP
●​ SOLID, KISS, DRY
●​ AI integration
●​ Docker
●​ RabbitMQ
●​ gammu
●​ NodeJS (Base knowledge)
●​ jQuery
●​ Phpunit
 ●​ Rest Api
●​ Ajax
●​ Google calendar API
●​ Google notification
●​ Firebase
●​ LESS/SASS
●​ Json
●​ Composer
●​ Google
●​ Telegram bot api
●​ Keycloak

Experience
March 2025 - Now
Open-Tag, Khmelnytsky (remote) – Senior backend developer

Description: Law management system.

Stack: PHP 8.3, Laravel v12, AI, Sanctum, Queue, Telescope, Docker, Phpunit, PetsTests, Laravel reverb
(Web-Socket), Firebase.

Personal achievements: Improved backend stability and performance through deep code refactoring and
systematic bug fixing. Refactoring and optimization database queries. Introduced automatic code testing and
support for PSR standards with best practices.

August 2023 - March 2025
Freelance, Khmelnytsky (remote) – Full-stack developer

Description: External api for mobile application, sim-box management system.

Stack: PHP 8.3-8.4, Laravel v11-12, Phpunit, custom auth system, Queue, Docker, Nginx, Phpunit, Blade,
Bootstrap, Vue.js, Inertia.js, Tailwind, Node.js, Rabbitmq, Redis, Simbox, Gammu, Supervisor, Laravel Pusher
(Web-Socket), Telescope.

Personal achievements: Development high-load system, technical support, designing reliable scalable
systems. Handle the full-cycle web development from architecture design and coding to production release. I was
responsible for the complete development lifecycle, from setup to deployment.

February 2023 – August 2023
TenantCloud, Ivano-Frankivsk (remote) – Backend developer
 Description: Real estate platform.

Stack: PHP 8.2, Laravel v11, Octane, Sanctum, Queue, Docker, Stripe, Phpunit

Personal contribution: Bugfixing, performance, development of new features.

March 2021 – February 2023
BSG, Kyiv (remote) – Backend developer

Description: Sms testing and mailing system.

Stack: PHP 7.4, Laravel v9, Queue, Docker, Telescope, Microservices, Phpunit

Personal achievements: Deep performance optimization, development of new features.

December 2017 – March 2021
Web-Systems.solution, Khmelnytsky – Backend developer

Description: Managing projects, working with Yii2 framework and Laravel, development of real estate
platforms (Yii2), ticket sales platform (Laravel).

Stack: PHP 7+, Laravel v8, Yii2, Vue.js, Docker, jQuery, Telegram Api, Google Api, external integrations,
parsing google documents.

Personal achievements: Built and launched the website from the ground up, handling everything from
design to deployment.​

May 2017 - December 2017
RexSoft, Khmelnytsky – Wordpress developer

●​ Wordpress development
●​ Development of landing pages, online stores, theme and plugin

August 2016 - November 2016
RiseSoft, Khmelnytsky – html coding

●​ Development of landing pages, online stores, themes and plugins.

March 2016 - August 2016
Freelance, Khmelnytsky – html coding
●​ Development of landing pages, online stores, themes and plugins.

December 2015 - March 2016
Web-mosaica, Khmelnytsky – html coding

●​ Development of landing pages, online stores, themes and plugins.

Education
September 2012 - January 2018
ХНУ, Khmelnytsky – magister
Equipment for processing and food production