Микола

MYKOLA SENYK
Full-Stack Developer (React / Laravel / PHP)
Remote | [відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація»)

SUMMARY

Full-Stack Developer with 4+ years of hands-on experience creating and maintaining
web and mobile applications using React, Laravel, and MySQL.
Strong in frontend–backend integration, REST API development, and performance
optimization.
Comfortable working across the full product lifecycle — from feature design to
deployment.
Has basic DevOps knowledge (Docker for local setup, Linux, CI/CD concepts,
DigitalOcean hosting).
Open to remote and international opportunities focused on web application
development.

TECHNICAL SKILLS

Frontend: React, React Native, JavaScript (ES6+), TypeScript, Redux, Next.js,
HTML5, CSS3, PWA
Backend: PHP, Laravel, MySQL, REST API design
DevOps (basic use): Docker (local setup), Linux, CI/CD basics (GitHub Actions),
DigitalOcean, Nginx
Tools: Git, Postman, Firebase, Jira, Confluence, Vercel, Cursor

EXPERIENCE

Full-Stack Developer – NDA
December 2025 – June 2026 | Remote

 Served as the primary backend developer for a SaaS/CRM platform built with
Laravel and PostgreSQL, implementing core business logic, API integrations,
and performance improvements.

 Designed and optimized asynchronous processing workflows using Laravel
Queues(Redis) and Laravel Horizon, ensuring system stability, efficient
resource utilization, and reliable handling of heavy background jobs and high-
concurrency tasks.

 Integrated a robust ecosystem of third-party APIs, including Nowpayment for
secure payment processing, Telegram bots for automated interactions, and
tracking APIs (Google Ads, TikTok, Facebook) to handle seamless offline
conversion tracking.
  Managed application deployment and server infrastructure on Hetzner. Scaled
notification delivery by optimizing Firebase Cloud Messaging (FCM) for push
notifications, and actively monitored production health using Log Viewer for
rapid issue resolution.

 Improved overall platform responsiveness and user experience by identifying
performance bottlenecks and optimizing React frontend load times and asset
delivery.

Project:
SaaS platform

 Contributed to the design and development of core backend modules handling
high-volume data and complex business logic.

 Implemented and maintained multiple third-party integrations and internal
system interfaces.

 Improved system performance and scalability through backend refactoring and
query optimization.

 Supported long-term architecture evolution and stability improvements across
services.

Achievements:

 Increased backend service throughput by ~10x by optimizing request processing
flow, database queries, and eliminating key performance bottlenecks under high
load.

 Improved system scalability and API responsiveness by refactoring core
backend components to better handle large data volumes and concurrent
requests.

Full-Stack Developer – Skander Solution
March 2021 – December 2025 | Remote
 Developed responsive and performant web and mobile applications using
React, React Native, Laravel, and MySQL.

 Built and maintained REST APIs, ensuring efficient data exchange between
backend and frontend.

 Worked closely with designers and project managers to deliver clean, intuitive
UIs and stable backend architecture.
 Integrated payment systems (Stripe, Square) and notification tools (Firebase,
push, email).

 Used Docker for local environment setup and GitHub Actions for test and
deployment automation.
  Participated in code reviews, sprint planning, and developer onboarding.

Key Projects:
 Breeze — request and order management system with web and mobile versions
(Next.js, Laravel, React Native).

 Currently maintaining and improving the project’s backend
and API architecture.

 Implemented push notifications, optimized database
queries, and improved request processing speed.

 Apeer Door Builder — 3D product configurator for a manufacturing company
(React, Laravel).

 Academic Fish — mobile learning app for math students (React Native).

 PrBaza — multilingual company website with admin panel (Next.js, Firebase).

Achievements:

 Reduced app loading time by ~30% via code splitting and backend
optimization.

 Improved API stability and performance by restructuring database queries and
endpoints.

DevOps Support Engineer – Skander Solution
March 2017 – February 2021 | Remote

 Assisted with configuring and maintaining development and
production environments (Linux, Nginx).Used Docker to standardize
local environments and simplify setup for developers.

 Supported CI/CD automation using GitHub Actions and shell scripts.

 Deployed web apps on DigitalOcean and performed basic server maintenance.

 Collaborated with backend developers to debug infrastructure-related issues.

Achievements:

 Helped introduce Docker-based workflows across teams.

 Reduced environment setup time for new developers by 50%.
EDUCATION

Specialist in Computer Science
Ternopil State ‘Ivan Pul’uj’ Technical University
Sep 2012 – Jun 2015

LANGUAGES

Ukrainian — Native
English — Intermediate (B1)