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Peter H.
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Peter H.

Senior E-commerce Developer | Magento,Adobe Commerce, Shopify & Drupal

If you are looking for a reliable, senior-level e-commerce engineer who can step into your project, untangle complex technical debt and deliver robust solutions without hand-holding you are in the right place. I am Senior E-commerce Developer with 13+ years of hands-on experience building, scaling and maintaining high-performing online stores. While my core expertise lies in Magento 2 I bring deep cross-platform capability across Shopify, Drupal Commerce, and custom architectures. Whether you need a quick fix for a broken checkout, a smooth platform upgrade or a long-term technical partner to look after your store, I provide clear communication, clean code and commercial focus. Core Expertise & Platforms 1) Magento 2 & Adobe Commerce: architecture, custom module development, performance tuning and complex integrations. Hyvä Themes Development & Speed Optimization -Full Hyvä Theme implementation & customization from design -Core Web Vitals optimization (targeting 90+ mobile & desktop scores) -Advanced caching setups (Varnish, Redis, Full Page Cache) Magento 2 Upgrades & Security Maintenance -Smooth version upgrades (e.g., Magento 2.4.x updates) -Emergency security patching & malware cleanup -Codebase audit, module cleanup, and technical debt removal. -Monthly ongoing store support, monitoring, and proactive maintenance. Integrations & API Development (ERP, CRM, Payment, Logistics) -Custom REST & GraphQL API development for headless or third-party connections. -Integration with major ERP/CRM systems (NetSuite, SAP, Salesforce, Odoo, Zoho) -Custom payment gateway implementation & shipping carrier integrations (FedEx, UPS, DHL) -PIM and Inventory Synchronization (Akeneo, Pimcore, etc.) Custom Module Development & Checkout Customization -Bespoke Magento 2 extension/module creation following Adobe best practices -Custom checkout flows, 1-step checkouts, and custom attributes. -Resolving complex module conflicts and third-party extension debugging. -B2B functionality setup (Quick Order, Company Accounts, Custom Price Books). Data & Platform Migration -Magento 1 to Magento 2 migration (Database, Customer Accounts, Orders, Products). -Migration between Shopify, WooCommerce, BigCommerce, and Magento 2 in both directions -Zero-data-loss database migration and structural redesign 2) Shopify: custom themes, app integrations and storefront optimisation. -Custom Theme Development & Section Creation -Custom App & API Integrations (Node.js / Remix / GraphQL) -Shopify Plus Advanced Customization -Speed Optimization & Technical Cleanup -Seamless Store Migration & Replatforming 3) Drupal: enterprise content-driven e-commerce solutions. 4) Legacy & Maintenance: Magento 1, Mage-OS and WooCommerce support. How I Can Help You -Scale & Optimise: speed up slow-loading stores, fix database bottlenecks, and improve Core Web Vitals to boost your conversion rates. -Upgrades & Security: seamlessly migrate to newer Adobe Commerce versions and apply critical security patches. -Integrations: connect your store smoothly with ERPs, CRMs, payment gateways, and third-party APIs. -Troubleshooting: resolve stubborn checkout errors, payment failures, and module conflicts. -Long-Term Ownership: take full technical ownership of your store, act as an extension of your in-house team, or lead ongoing development. Why Clients Work With Me Communication: offering clear, prompt, and professional communication. Business-minded: I focus not just on writing code, but on how it impacts your user experience, security and revenue. Proactive problem solving: I identify potential risks before they turn into costly downtime. Click "Invite to Job" or drop me a message with a brief overview of your project. Let's discuss how I can help you achieve your goals.

🇬🇧Preston, United Kingdom$50/hr100% JSS5.00 (11)Since Aug 2023

Earnings and projects

MRR
$70

Last 6 months ÷ 6

World#143,593 / 412k
🇬🇧Country#3,002 / 10.7k
Revenue, last 30 days
$100

Last 6 months: $421

World#91,754 / 412k
🇬🇧Country#1,644 / 10.7k
Total earnings
$39k

Billed in all: $41k

World#92,543 / 412k
🇬🇧Country#2,108 / 10.7k
Per project
$1.8k

$105 in the last 6 months

World#84,589 / 412k
🇬🇧Country#1,786 / 10.7k
Projects, last 6 months
4
50% fixed50% hourly
World#51,813 / 412k
🇬🇧Country#1,157 / 10.7k
Projects in all
22

Across 23 contracts

30% fixed70% hourly
World#124,452 / 412k
🇬🇧Country#3,310 / 10.7k

Earnings, last 30 days

$41.5k+$100 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$41,350$41,400$41,450$41,500Oct 8Oct 23Nov 7

Skill rankings: Top 25% in Drupal

Ranked by MRR among everyone on Upwork with the skill.

  1. #30Web Development Plugin73 freelancers · 🇬🇧 #1Top 41%
  2. #38Online Store Customization107 freelancers · 🇬🇧 #3Top 36%
  3. #74Store Migration139 freelancers · 🇬🇧 #1Top 53%
  4. #163Migration344 freelancers · 🇬🇧 #2Top 47%
  5. #256Drupal1,033 freelancers · 🇬🇧 #7Top 25%
  6. #319Website Performance Optimization669 freelancers · 🇬🇧 #11Top 48%
  7. #375Magento 21,265 freelancers · 🇬🇧 #4Top 30%
  8. #408Bug Fix1,157 freelancers · 🇬🇧 #7Top 35%