Senior Full Stack Shopify Engineer

Building high‑performing Shopify stores and apps for brands that want to grow.

I'm Ali, a Senior Full Stack Shopify Engineer, creating fast, scalable and conversion-focused eCommerce experiences for brands worldwide.

0+ Stores delivered
0+ Years in Web development
0+ Years in Shopify
0+ Enterprise brands served
Portrait of Ali Hassan
Based in Manchester, UK

About me

The Engineer Behind the Storefronts

I'm a Senior Full Stack Shopify Engineer with 10+ years of experience developing websites and over 6 years specialising in Shopify. I've built and customised e-commerce solutions ranging from single-product stores to enterprise platforms supporting complex workflows and high order volumes.

I specialise in Shopify development, building and extending Shopify 2.0 stores through advanced Liquid development, custom sections and blocks, custom app development, Shopify Functions, Admin and Storefront API integrations, third-party API connections, webhooks, ERP integrations, product data architecture, and bespoke e-commerce workflows, as well as headless storefronts built with Shopify Hydrogen.

I hold an MSc in Applied Artificial Intelligence & Data Analytics and a BSc in Software Engineering, pairing solid engineering fundamentals with AI and data-driven approach to solving complex commerce challenges.

Shopify Shopify Plus Shopify Hydrogen Headless Commerce Liquid Custom Themes Custom Sections Custom Apps Custom Functions GraphQL Admin API Storefront API REST API Webhooks Custom Order/Cart Logic ERP Integrations React Remix Astro TypeScript JavaScript HTML CSS Tailwind CSS Responsive Design Node.js Python ASP.NET MVC Automations Cloudflare Analytics GA4 GTM Conversion Tracking SEO CRO Klaviyo Enterprise Websites E-commerce Solutions

Capabilities

Full Stack Web Development & Shopify Expertise

From headless Shopify storefronts to custom apps, APIs and ERP integrations, engineered for performance, scale and reliability.

Designing and building full-stack websites and web applications using React, Astro, Tailwind CSS and modern cloud infrastructure.

Building fast, modern headless storefronts with Shopify Hydrogen, React and the Storefront API for greater control over performance and functionality.

Building bespoke Shopify themes and sections using Liquid, HTML, CSS and JavaScript with a focus on performance, usability and conversion.

Extending Shopify beyond its native capabilities with custom apps, Functions, APIs and backend solutions using Node.js, TypeScript and React.

Building scalable Shopify Plus stores, advanced workflows and automation solutions for growing businesses with complex commerce requirements.

Integrating Shopify with ERP systems, internal platforms and third-party services to synchronise data and automate complex business processes.

Optimising storefronts for performance, Core Web Vitals, technical SEO and user experience to create faster sites and improve conversions.

Building and optimising e-commerce marketing systems across Meta, Google Ads, Klaviyo and CRMs using custom APIs, tracking and automations.

Combining e-commerce, software engineering and AI expertise to turn business data into actionable insights and intelligent solutions.

Selected work

Recent Projects

A selection of Shopify stores, integrations and digital solutions delivered across my professional experience.

Experience

Where I've Worked

A timeline of the roles, companies and studies that shaped my path in Shopify and web development.

2024 - Present Current role

Lead Full Stack Shopify Engineer

Sir Jacob Behrens & Sons

Based in Manchester, UK, leading Shopify Plus development, ERP integrations and headless commerce builds with Shopify Hydrogen for a 190-year-old enterprise business, architecting custom themes, Shopify Functions, pixel-perfect sections and scalable backend solutions.

2022 - 2024

Lead Shopify Developer

Redsoda Co.

Based in Manchester, UK, owning complete Shopify store builds end-to-end, from theme development to inventory systems and multi-channel marketing campaigns.

2020 - 2021

Shopify Developer

XEE Creatives

Based in Pakistan, designing and developing custom Shopify and WordPress stores across print-on-demand, drop-shipping and single-product builds; recognised as MVP within two months of joining.

2016 - 2020

Full Stack Web Developer

University of Lahore

Based in Pakistan, designing multiple full-stack websites using C#, ASP.NET MVC, Firebase, HTML, CSS, JavaScript, jQuery and Bootstrap.

Education

MSc Applied AI & Data Analytics

University of Bradford, UK · 2021 - 2022

BSc Software Engineering

University of Lahore, Pakistan · 2016 - 2020

Recognition

Trusted by Teams At

A selection of the organisations I've helped build and run their Shopify stores.

WPBSA FIM Moto Ice Speedway Gladiators Valor Hospitality FGH Security Professional Security The Royal Edinburgh Military Tattoo Supro Sport The Hybrid Games Merch Group Limited Dip and Doze Jersey Wanderers Sale FC LUSU The Sugar House Toft CC Sir Jacob Behrens & Sons Fullerton Group

“Ali has worked with me for many years, delivering reliable end-to-end Shopify solutions. He combines strong technical development skills with a practical, solutions-focused approach, quickly understanding client requirements and finding effective ways to overcome challenges. He is dependable, creative in his execution and consistently delivers to a high standard.”

Tony Sheridan · Founder, Merch Group Limited

“Working with Ali has been an absolute pleasure. He is an exceptionally talented developer who approaches every element of a project with expertise, creativity and a genuine determination to find the best solution. No request ever feels too complicated, and there is nothing I have asked for that he hasn’t been able to achieve. He is incredibly knowledgeable, reliable and easy to work with, and his attention to detail always gives me complete confidence throughout every project. I couldn’t be happier with the recent website Ali created for us, and I would wholeheartedly recommend him to anyone looking for a brilliant developer who can turn even the most ambitious ideas into reality.”

Jennie Lees · Marketing Manager, Sir Jacob Behrens & Sons, Limited

“Working with Ali Hassan on the development of the new Fullerton Group uniform website has been an outstanding experience. His talent, dedication, and attention to detail have been evident throughout the entire project.

Ali has successfully created a modern, user-friendly platform that not only represents the Fullerton Group brand professionally but also allows each individual company within the group to maintain its own identity and branding. This has given us the best of both worlds: a unified system with distinct brand experiences for our employees.

The new returns and exchanges system is particularly impressive. The process is seamless, intuitive, and mirrors the experience you would expect from leading online retailers such as ASOS, making it incredibly straightforward for our employees to exchange or return uniform items. This improvement alone will save significant administrative time while providing a much better user experience.

We have been genuinely amazed by Ali’s hard work, technical expertise, and ability to turn our requirements into a solution that exceeds expectations. The speed, functionality, and overall quality of the website are exceptional, and we could not be happier with the end result. We would highly recommend Ali to anyone looking for a talented developer who consistently delivers innovative, high-quality solutions.”

Finlay Wilkinson · Fullerton Group Limited

Contact

Looking for a full stack Shopify engineer?

Whether you need a custom Shopify build, a headless storefront, custom app, complex integrations, performance optimisation, a scalable enterprise website, or a bespoke full-stack solution, I'd love to hear about your project.