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I am a WordPress developer with 5 years of commercial experience building, customizing, and maintaining EU and US client sites using PHP, JavaScript, and the WordPress ecosystem. I have hands-on experience with Elementor, the WordPress REST API, WooCommerce, and crafting custom pages and CMS blocks that align with brand guidelines while delivering a great user experience. I’m comfortable integrating payment gateways and delivering Stripe-based checkout, with a focus on security, performance optimization, and responsive design. Based in Dublin and with full Irish work authorization, I work well independently in remote settings, providing ongoing maintenance, troubleshooting, and technical support.…I am a WordPress developer with 5 years of commercial experience building, customizing, and maintaining EU and US client sites using PHP, JavaScript, and the WordPress ecosystem. I have hands-on experience with Elementor, the WordPress REST API, WooCommerce, and crafting custom pages and CMS blocks that align with brand guidelines while delivering a great user experience. I’m comfortable integrating payment gateways and delivering Stripe-based checkout, with a focus on security, performance optimization, and responsive design. Based in Dublin and with full Irish work authorization, I work well independently in remote settings, providing ongoing maintenance, troubleshooting, and technical support.

Oleksii (Alex) Kaminskyi

Front-End Developer, Web Developer, Full Stack Developer, +2

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I am a WordPress developer with 5 years of commercial experience building, customizing, and maintaining EU and US client sites using PHP, JavaScript, and the WordPress ecosystem. I have hands-on experience with Elementor, the WordPress REST API, WooCommerce, and crafting custom pages and CMS blocks that align with brand guidelines while delivering a great user experience. I’m comfortable integrating payment gateways and delivering Stripe-based checkout, with a focus on security, performance optimization, and responsive design. Based in Dublin and with full Irish work authorization, I work well independently in remote settings, providing ongoing maintenance, troubleshooting, and technical support.…I am a WordPress developer with 5 years of commercial experience building, customizing, and maintaining EU and US client sites using PHP, JavaScript, and the WordPress ecosystem. I have hands-on experience with Elementor, the WordPress REST API, WooCommerce, and crafting custom pages and CMS blocks that align with brand guidelines while delivering a great user experience. I’m comfortable integrating payment gateways and delivering Stripe-based checkout, with a focus on security, performance optimization, and responsive design. Based in Dublin and with full Irish work authorization, I work well independently in remote settings, providing ongoing maintenance, troubleshooting, and technical support.

Available to hire

I am a WordPress developer with 5 years of commercial experience building, customizing, and maintaining EU and US client sites using PHP, JavaScript, and the WordPress ecosystem. I have hands-on experience with Elementor, the WordPress REST API, WooCommerce, and crafting custom pages and CMS blocks that align with brand guidelines while delivering a great user experience.

I’m comfortable integrating payment gateways and delivering Stripe-based checkout, with a focus on security, performance optimization, and responsive design. Based in Dublin and with full Irish work authorization, I work well independently in remote settings, providing ongoing maintenance, troubleshooting, and technical support.

Skills

Experience Level

Expert

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Work Experience

Frontend Developer at Next Level Solutions

November 1, 2022 - January 1, 2026

Developed responsive, component-based interfaces for 15+ client projects using JavaScript (ES6+), HTML5, CSS3/Sass, and REST APIs. Improved Core Web Vitals scores by up to 35% through image optimization, code splitting, lazy loading, and caching strategies - directly reducing bounce rates and improving SEO rankings. Built reusable UI component library for custom CMS blocks, reducing frontend development time for new features by ~20% and ensuring WCAG accessibility compliance. Integrated third-party APIs and marketing tools (HubSpot, Google Tag Manager, payment gateways) via REST endpoints and async data fetching patterns. Deployed scalable e-commerce platforms with responsive product interfaces, AJAX-powered filtering, and checkout optimisation, supporting catalogs of 500+ products with sub-second load times.

Web Developer at Freelance / Independent

January 1, 2020 - May 1, 2021

Delivered landing pages and business websites for direct clients using HTML, CSS, JavaScript, and CMS platforms, managing full project lifecycle from requirements gathering to deployment. Implemented responsive design, on-page SEO, SSL configuration, and performance optimisation, achieving consistent 90+ PageSpeed scores across projects.

Frontend Engineer (Independent) at Rentola

January 1, 2016 - Present

Architected and developed Rentola - a full-stack car rental application using Next.js 15 (App Router), TypeScript strict mode, Prisma ORM, PostgreSQL, Auth.js v5, and Tailwind CSS, featuring role-based authentication (USER/ADMIN), dynamic car catalogue with URL-based filtering, rental price calculator, and user dashboard with booking management. Implemented Server Actions for data mutations, role-based middleware for route protection, URL search params for persistent filter state, and Server/Client component architecture with Prisma ORM for type-safe database access. Deployed on Vercel with Neon PostgreSQL.