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I am a Senior WordPress Developer with over 10 years of hands-on experience delivering custom, scalable WordPress solutions for enterprise clients across fintech, eCommerce, and SaaS domains. I specialize in custom themes, plugins, REST API integrations, and Salesforce connectivity. I am passionate about clean, testable PHP code, performance optimization, and modern DevOps workflows. I translate Figma/Adobe XD designs into pixel-perfect UIs using GreenShift, ACF, and the latest in HTML5/CSS3. I advocate for accessibility, modular code, and CI/CD automation with GitHub Actions.…I am a Senior WordPress Developer with over 10 years of hands-on experience delivering custom, scalable WordPress solutions for enterprise clients across fintech, eCommerce, and SaaS domains. I specialize in custom themes, plugins, REST API integrations, and Salesforce connectivity. I am passionate about clean, testable PHP code, performance optimization, and modern DevOps workflows. I translate Figma/Adobe XD designs into pixel-perfect UIs using GreenShift, ACF, and the latest in HTML5/CSS3. I advocate for accessibility, modular code, and CI/CD automation with GitHub Actions.

Jacek Lawniczak

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

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I am a Senior WordPress Developer with over 10 years of hands-on experience delivering custom, scalable WordPress solutions for enterprise clients across fintech, eCommerce, and SaaS domains. I specialize in custom themes, plugins, REST API integrations, and Salesforce connectivity. I am passionate about clean, testable PHP code, performance optimization, and modern DevOps workflows. I translate Figma/Adobe XD designs into pixel-perfect UIs using GreenShift, ACF, and the latest in HTML5/CSS3. I advocate for accessibility, modular code, and CI/CD automation with GitHub Actions.…I am a Senior WordPress Developer with over 10 years of hands-on experience delivering custom, scalable WordPress solutions for enterprise clients across fintech, eCommerce, and SaaS domains. I specialize in custom themes, plugins, REST API integrations, and Salesforce connectivity. I am passionate about clean, testable PHP code, performance optimization, and modern DevOps workflows. I translate Figma/Adobe XD designs into pixel-perfect UIs using GreenShift, ACF, and the latest in HTML5/CSS3. I advocate for accessibility, modular code, and CI/CD automation with GitHub Actions.

Available to hire

I am a Senior WordPress Developer with over 10 years of hands-on experience delivering custom, scalable WordPress solutions for enterprise clients across fintech, eCommerce, and SaaS domains. I specialize in custom themes, plugins, REST API integrations, and Salesforce connectivity.

I am passionate about clean, testable PHP code, performance optimization, and modern DevOps workflows. I translate Figma/Adobe XD designs into pixel-perfect UIs using GreenShift, ACF, and the latest in HTML5/CSS3. I advocate for accessibility, modular code, and CI/CD automation with GitHub Actions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Lead Software Senior at Luxdone

September 1, 2023 - Present

Developed custom WordPress themes and plugins using PHP 8 and GreenShift blocks. Built Salesforce integration layer to sync client data via JWT-authenticated REST APIs. Refactored Elementor-based site to GreenShift with custom blocks, achieving performance gains. Implemented Playwright tests for user flows and Jest unit tests for plugin logic. Established GitHub Actions workflows to automate CI/CD, builds, and staging deployments.

Software Engineer at Walmart

October 1, 2022 - September 15, 2025

Delivered a responsive client portal using ACF Pro, custom post types, and the WP REST API. Integrated Salesforce CRM with WordPress via OAuth-secured REST endpoints for real-time lead sync. Implemented accessible, mobile-first templates from Figma designs using SCSS and GreenShift. Automated deployments with GitHub Actions and Docker-based staging; maintained 99.9% uptime with server-side caching and query optimization.

Full Stack Developer at Scand

June 1, 2021 - September 15, 2025

Architected and delivered WooCommerce-compatible plugins for pricing tiers, subscriptions, and user permissions. Developed a modular theme system for client branding with a shared codebase. Built a GraphQL API bridge for a decoupled front end using Vue.js. Integrated A/B testing via WP filters and REST endpoint toggles; mentored junior developers and enforced WordPress coding standards.

Full Stack Developer at ZeroDowntime

October 1, 2019 - September 15, 2025

Implemented gated content modules using CPTs and Salesforce-linked user roles. Created REST API layer for real-time credit score data in WordPress pages. Built user dashboards with GreenShift and vanilla JS, including graph components and dynamic reports. Wrote staging and rollback scripts with Git CLI and deployment hooks via Bitbucket Pipelines. Improved SEO via schema markup and sitemap automation.

Junior Software Developer at InfoConsulting

November 1, 2017 - September 15, 2025

Built a custom WordPress plugin for lead capture forms integrated with Salesforce REST APIs using cURL and OAuth2. Designed Gutenberg-compatible components with fallbacks for legacy editors. Used Advanced Custom Fields (ACF) and CPTs to structure industry-specific landing pages. Implemented anti-spam logic, data validation, and real-time field suggestions via external API lookups. Automated CI/CD with GitHub Actions for staging deployment and visual regression tests.