Architecting Custom Liquid Sections for High-Conversion Storefronts Without App Bloat
How eliminating generic plugin apps in favor of native Shopify Theme App Extensions and modular Liquid architecture drastically reduced page weights.
Senior Engineering. Flexible Team. Direct Partnership.
I’m Umair Younus, a senior software engineer with 9+ years of experience helping businesses build, improve and scale their digital presence. From Shopify and WordPress to custom web applications, APIs and automation, I work directly with clients and bring trusted specialists in when the project calls for it.
9+ years hands-on engineering • International client work • Websites, ecommerce, software & automation
Lead Technical Partner & Architect
Services
From a focused website project to a complex business system, I can lead the technical work and assemble the right support around it.
Fast, maintainable business websites, WordPress builds, WooCommerce stores, landing pages, custom functionality and ongoing improvements.
Shopify and WooCommerce development for brands that need more than an off-the-shelf setup — themes, custom functionality, integrations and support.
Purpose-built applications, dashboards, portals, APIs and internal systems designed around the way your business actually works — eliminating clumsy workarounds.
Connect systems, synchronize data and replace repetitive manual work with reliable APIs, scripts and automated background workflows.
Case Studies
A selection of ecommerce, website, application and integration work for businesses that needed practical solutions to real technical problems.
The Challenge: High-SKU bespoke nutrition brand needed sub-second page speeds, custom bundle builder, and bidirectional ERP inventory synchronization without adding third-party app weight.The Delivery: Engineered a ground-up bespoke Liquid theme, headless subscription routing, and instant cart validation. Resulted in a…

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Why Work With Me
Good development is not just about writing code. It is about understanding the business problem, choosing the right solution and taking responsibility for getting it working.
9+ years of hands-on experience across websites, ecommerce, PHP applications, APIs, integrations and infrastructure. I write clean, secure code that withstands real production loads without fragile dependency spaghetti.
I look beyond the ticket and help identify the simplest, most reliable way to solve the underlying problem. Sometimes that means writing less code, removing unnecessary plugins, or optimizing an existing workflow instead of reinventing the wheel.
You work with the person leading the technical work — not through layers of account management, non-technical translators, or fragmented ticket queues.
When a project needs additional design, development, SEO or growth support, I can bring trusted specialists into the project while maintaining single-source accountability.
I can stay involved after launch for improvements, troubleshooting, integrations and ongoing development as your product, traffic, and revenue expand.
How I Work
I lead projects directly and remain accountable for the technical outcome. For larger or multidisciplinary projects, I work with a trusted network of specialists so you get the skills the project needs without the overhead of a traditional agency.
You get senior-level involvement, clear communication and a team that can expand around the work — without losing direct access to the person responsible for delivery.
Stakeholders, Product Leads, Marketing
Lead Technical Partner & Accountable Engineer
Testimonials
The strongest proof of my work is the businesses that continue to trust me with important projects.
“Umair operates with a level of technical ownership and speed that is incredibly rare. He didn’t just execute our Shopify rebuild; he diagnosed architectural flaws we’d tolerated for years and delivered a flawless system.”
Marcus Vance
Head of Digital, Morphus
“Working directly with a senior engineer eliminated weeks of back-and-forth typical of our agency experiences. Complex API integrations that had stalled were live within 10 days.”
Elena Rostova
VP Product, LogiFlow Systems
“Umair brings rare business judgment to engineering. He tells you what not to build, saving both budget and technical debt. He is an indispensable partner for our team.”
David Chen
Founder & CEO, Kova Retail
Process
No endless discovery decks or administrative bureaucracy. Just disciplined execution and transparent milestones.
We start with the problem, goals, existing systems, constraints and what real success looks like for the business.
I recommend an approach, define exact scope and identify the technology, integrations and specialist people required.
Development happens in clear stages with regular staging reviews, video walk-throughs, and active feedback loops.
We stress-test critical user journeys, API integrations, Core Web Vitals, and backup failovers prior to live cutover.
After launch, I can continue supporting, maintaining and optimizing the product as business traffic scales.
Insights
Practical articles on Shopify, WordPress, ecommerce, PHP, web applications, APIs, performance and the technical decisions behind digital products.
How eliminating generic plugin apps in favor of native Shopify Theme App Extensions and modular Liquid architecture drastically reduced page weights.
A comprehensive technical guide to fixing Largest Contentful Paint (LCP) and Cumulative Layout Shift (CLS) in high-traffic WooCommerce databases.
Practical architecture for capturing, queuing and processing thousands of third-party API payloads with automatic retries and zero lost states.
Initiate Project
Tell me what you’re working on, what is not working, or what you want to build. I’ll review it and we can decide the most sensible next step.