01
Plugin-first architecture
Modular OOP PHP with namespacing, reusable boilerplates, and patterns built for long-term maintenance and team handoff.
Senior WordPress Developer · Remote · 9+ Years
MD Abu Bakker Siddik
I build premium WordPress themes, custom plugins, Elementor widgets, and Gutenberg blocks for global product teams—with clean PHP architecture and AI-assisted delivery when it speeds quality.
9+
Years Experience
100+
WordPress Projects
100+
Premium ThemeForest Themes
Available for remote collaboration · EST-friendly hours
Crafting scalable WordPress at scale
From ThemeForest premium themes to bespoke plugins and modern block development—I ship maintainable code for agencies, product studios, and direct clients worldwide.
I'm a Senior WordPress Developer with deep expertise in premium theme development, custom plugins and widgets, Elementor workflows, Gutenberg/React blocks, and AI-assisted development pipelines.
Currently I'm a Senior Fullstack Engineer at InstaQuirk, leading client projects, coordinating the development team, and shipping WordPress plugins and themes. I've also collaborated remotely with ThemeMascot and TemplatePath, contributing to marketplace-ready themes, WooCommerce experiences, and production-grade plugin architecture.
9+
Years of experience
100+
WordPress projects
100+
ThemeForest themes
100%
Client-focused delivery
02
Modern editor stack
Elementor custom widgets, Gutenberg blocks with React, SCSS (BEM), and pixel-accurate implementation from design to production.
03
Commerce & performance
WooCommerce customization, template overrides, and performance-aware builds—without sacrificing editor UX or upgrade paths.
Skills from real projects
Updated to match my recent LinkedIn roles and day-to-day stack.
WordPress Development
Figma to WordPress
Gutenberg & ReactJS
AI-assisted backend workflow
Experience & skill growth
Year-by-year roles and how my stack evolved—from HTML slicing to senior WordPress, Gutenberg, React, and AI-assisted delivery.
InstaQuirk
Full-time · 3 mos · Remote
Senior Fullstack Engineer
Jul 2026 – Present · 3 mos
Leading functional WordPress development and end-to-end client project delivery—working directly with clients, distributing tasks across the dev team, and managing workflows in ClickUp. Publishing WordPress plugins and themes alongside client projects.
WordPress Development, Team & Client Leadership and +5 skills
ThemeMascot
Full-time · 2 yrs 7 mos · Khulna, Bangladesh · Remote
Sr. Web Developer
Jan 2025 – Jul 2026 · 1 yr 7 mos
Advanced backend-focused work with AI-assisted workflows (Cursor, Gemini, ChatGPT). Gutenberg blocks, React.js integration, and scalable plugin architecture for premium releases.
WordPress Development, Figma to WordPress and +6 skills
Sr. Web Developer
Jan 2024 – Jan 2025 · 1 yr 1 mo
Premium WordPress theme development, responsive Elementor layouts, and custom plugins for ThemeForest marketplaces.
WordPress Development, Figma to WordPress and +3 skills
Template Path
Full-time · 8 yrs · Khulna, Bangladesh
Senior WordPress Developer
Jan 2021 – Dec 2023 · 3 yrs · Remote
Led development and maintenance of high-quality WordPress themes and plugins—performance, cross-browser compatibility, and roadmap-aligned shipping.
WordPress Development, Figma to WordPress and +5 skills
WordPress Developer
Jan 2019 – Dec 2020 · 2 yrs · Remote
Custom themes and e-commerce with WooCommerce; reusable frontend components with Advanced Custom Fields (ACF).
WordPress, Elementor and +3 skills
Junior WordPress Developer
Jan 2017 – Dec 2018 · 2 yrs · Remote
Built and customized sites from visual layouts; routine updates, fixes, and migrations under senior guidance.
WordPress, JavaScript and +4 skills
HTML Developer
Jan 2016 – Dec 2017 · 2 yrs · On-site
PSD to HTML5/CSS3 conversion; JavaScript and jQuery for interactive UI—foundation before moving into WordPress full-time.
HTML5, Front-End Development (HTML, CSS/SCSS, SASS) and +2 skills
Depth beyond themes
Production-ready blocks, widgets, and commerce logic—not just pretty layouts.
04
Elementor & visual builders
Bespoke widgets, responsive sections, hybrid Elementor + Gutenberg builds, and editor-friendly controls.
05
Gutenberg & plugin engineering
React-driven blocks, dynamic PHP rendering, modular architecture from boilerplates to bespoke features.
06
Full-stack & AI delivery
Next.js SaaS experiments, AI-assisted workflows with Cursor—architecture-first, no shortcuts.
Featured projects
Client websites, open source, SaaS, plugins, and 100+ premium ThemeForest theme demos—filter by category.
Client Site · WooCommerce
Puratek Peptides
WooCommerce backend overhaul for a high-volume US store (13,000+ orders, HPOS)—custom shipping-protection plugin replacing the Route SaaS, zero-LLM-cost AI order tracking, revenue-critical cart-recovery fix, and GA4 + Microsoft Clarity analytics.
Client Site · Marketplace
Owambe Connect
Stripe-powered UK event-vendor marketplace—GBP subscriptions, Stripe Identity verification, 65+ case UAT and production launch, private event pages with RSVP and gift registry, and geolocation vendor search.
Client Site · Job Board
Catalyst PR
Recruitment job board for a US staffing agency—Matador Jobs Pro with Bullhorn ATS integration (REST API, OAuth 2.0), automatic job sync, candidate/resume application flow, and a custom child theme.
Client Site · Research Platform
CompoundWiki
Research-compound reference platform—80+ compound database with evidence grading, AI research assistant, dosage and reconstitution calculator, and peptide glossary.
Client Site · Rentals
ThirtyDay Homes
Furnished monthly-rental marketplace for traveling professionals near Pittsburgh's medical centers—WordPress build with property listings, 30+ day stays, and owner onboarding.
Client Site · WooCommerce
Rejuvenate Peptides
WooCommerce store for HPLC-tested research peptides—category-rich catalog, age-gate entry, purity documentation, and same-day shipping workflows.
Client Site · WooCommerce
HerGlow Labs
Australian research-peptide store—WooCommerce catalog with certificate-of-analysis presentation, bulk multipacks, and fast discreet AU/NZ shipping flows.
Client Site · WooCommerce
GreenLabs AU
Australian research-peptide store with 60+ products—WooCommerce catalog, per-batch certificates of analysis, bulk and institutional ordering, and an affiliate program.
Client Site · WooCommerce
Neurogen Research
WooCommerce store supplying HPLC-tested research peptides across Australia—per-batch COAs, laboratory essentials, and bulk multipack ordering.
WordPress.org
Chatzio
Official WordPress.org plugin—AI chat widget with lead capture, conversation history, analytics, and WooCommerce product search (OpenRouter-powered). Free core plus commercial Pro add-on with RAG semantic search, content sync, and a custom license server.
WordPress.org
Siddik DevKit for WooCommerce
Official WordPress.org plugin—WooCommerce toolkit with quick view, side cart, Elementor widgets, and Gutenberg blocks for modern storefronts.
WordPress.org
Siddik Tone Hints
Official WordPress.org plugin—editor enhancements and tone hints for a better writing workflow.
WordPress.org
Siddik Layout Widgets for Elementor
Official WordPress.org plugin—25+ Elementor widgets for homepages and business sites, plus section, column, and container layout enhancements.
WordPress.org
Siddik Chat Widget
Official WordPress.org plugin—floating chat widget with keyword-based FAQ replies, omnichannel routing to WhatsApp, Messenger, and Telegram.
Plugin · Gutenberg
Sweem Block
Team block with multiple layout skins, social links, per-skin style controls, and hardened PHP dynamic render.
Plugin
Six2eight Elements
Aligned Elementor widgets and Gutenberg blocks—timeline, transformation slider, shared assets.
Plugin
Starter Plugin
Dynamic pricing widget—Elementor controls, remote JSON plans, transient caching, PHPUnit tests.
Plugin
WP Team
Team showcase tooling—structured layouts for meet-the-team sections across WordPress sites.
Let's build something premium
Available for remote contracts, long-term collaboration, and senior WordPress engagements.
Email
Location
Khulna, Bangladesh · Remote worldwide
Phone
Availability
US Eastern hours (9 AM – 5 PM EST) when needed