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marcinoselka/README.md

๐Ÿ‘‹ Hi, I'm Marcin

WordPress & PHP Developer | JavaScript | Custom Plugins & Themes | API Integrations


๐Ÿš€ Career Objectives

  • WordPress | WooCommerce | ACF | FSE
  • Theme development | Plugin development | Custom functionalities
  • JavaScript | PHP | HTML | SCSS | Tailwind CSS | REST API
  • Figma | UX/UI | Webpack | CI/CD | Git

I focus on creating scalable, maintainable, and business-oriented solutions while continuously expanding my technical expertise and development workflow.


๐Ÿงฉ About Me

I'm a mid-level developer with strong experience in building and maintaining WordPress-based applications, including:

  • custom plugin and theme development
  • WooCommerce extensions and integrations
  • external API connectivity (forms, CRMs, payments, newsletters, membership systems)
  • advanced ACF-based custom solutions
  • performance optimization and Core Web Vitals improvements
  • SEO-ready development
  • staging & deployment environments, CI/CD workflows

I enjoy combining backend logic with clean UI/UX and fast frontend performance.


๐Ÿ› ๏ธ Skills & Technologies

CMS / WordPress

  • WordPress, WooCommerce, ACF
  • Gutenberg, Spectra, Elementor
  • Theme & Plugin Development

Frontend

  • JavaScript (ES6+)
  • HTML, SCSS, Tailwind CSS
  • jQuery
  • Bootstrap

Backend

  • PHP
  • Composer
  • REST API integrations

Database

  • MySQL, MariaDB

DevOps & Tools

  • Docker
  • AWS, Oracle
  • Webpack
  • CI/CD pipelines
  • Linux & Windows

Version Control

  • Git, GitHub

Management & Workflow

  • Scrum / Agile
  • Jira, YouTrack

Other

  • Fluent English โ€” CAE C1 certified
  • SEO (technical SEO best practices)

๐Ÿ“Œ Featured Projects

๐Ÿ”น Custom WordPress Plugin โ€“ External API Integration

A plugin enabling communication with external services (CRM, bookings, payments, newsletters).
Includes data sync, cron tasks, caching, logging, and flexible admin configuration.


๐Ÿ”น From-Scratch WordPress Theme (FSE Ready & SEO Optimized)

Lightweight, fast, Core Web Vitals optimized theme with ACF-based component architecture.
Built with SCSS/Tailwind, Webpack, and custom Gutenberg blocks.


๐Ÿ”น JavaScript Admin Dashboard for WP REST API

A single-page dashboard for managing WordPress content through REST API.
Features CRUD operations, charts, UI components, filtering, and authentication.


๐Ÿ”ฅ Currently working on

  • Premium WordPress plugins
  • API integrations for e-commerce & automation
  • Site performance and SEO optimization
  • Improving CI/CD and deployment workflows

Open to collaboration and new opportunities ๐Ÿš€

Popular repositories Loading

  1. marcinoselka marcinoselka Public

    Developer profile: WordPress themes & plugins, PHP backend, JavaScript applications.

  2. marcins-crud-app marcins-crud-app Public

    This is a simple PHP application demonstrating basic CRUD (Create, Read, Update, Delete) functionality using Object-Oriented PHP, PDO, and a PostgreSQL database. The entire application is containerโ€ฆ

    PHP