Shopify development for brands & agencies.
Custom Liquid themes, Shopify Plus architecture, and high-performance storefronts. Built for your brand, or delivered silently behind your agency.
Book a teamBuilt to perform. Built to be maintained.
Zest Web Solutions is an engineering-first Shopify development partner. We operate as a silent, white-label technical bench for digital agencies and engineer high-converting storefronts for direct D2C brands across Australia, the UK, UAE, South Africa, Asia, and India. From bespoke Liquid theme engineering and Shopify Plus architecture to sub-800ms speed optimization and ongoing support under strict NDA.
Built to perform,
backed by experience.
Real results. Long-term partnerships.
Sarla Sarees
38 → 98Mobile PageSpeed
“The team has been timely across every milestone, interactive, responsive, and genuinely skilled senior developers. Our conversion rate and organic visibility improved dramatically with their work.”
Full-cycle technical
delivery process
From discovery and architecture to delivery and support.
A clear process, with your brand on everything.
Discovery & scoping
⊕Business goals
⊕Technical audit
⊕Catalog & content review
⊕Project requirements
⊕Delivery milestones
⊕Technical architecture
⊕Data & integrations
⊕UX and content structure
⊕Scope & estimation
⊕Sprint planning
⊕NDA & system access
⊕Development sprints
⊕Code review
⊕Responsive testing
⊕Performance & SEO
⊕Launch validation
⊕Post-launch support
⊕Our approach
to Shopify development
Your Shopify team, behind the scenes
We work inside your agency’s existing tools, with clear milestones, regular updates, and strict NDA protection.
Performance and search, engineered together
Performance, Core Web Vitals, and search architecture are part of the build from the first commit.
Modular Liquid. Maintainable code.
Clean, modular code and documented architecture give you complete ownership and a maintainable platform.
Support that continues after launch
Pre-flight QA, release validation, and ongoing technical support keep your digital assets ready to grow.
Explore the Zest Engineering Method ↗Get a quick estimate
for your project
A tailored scope and quote from our technical team.
Key advantages of Zest
Shopify development
Clean Implementation
Avoid unnecessary app bloat, fragmented JavaScript frameworks, and duplicate code blocks. We write clean, semantic Liquid.
Responsive by Default
Fluid responsive layouts engineered and verified across real iOS and Android devices, tablets, and ultra-wide desktop monitors.
Performance-Aware Architecture
Speed is engineered from the first commit: optimized image srcsets, deferred analytics tags, and critical render path optimization.
SEO & Schema Integrity
Structured semantic markup, canonical link validation, clean heading hierarchies, and error-free product JSON-LD schemas.
Modular Component Schemas
Reusable section schemas and app blocks that empower non-technical teams to assemble landing pages without writing code.
Documented Maintainability
Structured repositories, descriptive Git commit histories, and code comments so your internal developers can maintain the store easily.
Zest Web SolutionsEngineering team
Your agency owns the relationship.
We take ownership of the technical delivery.
Every detail.
Built into delivery.
Need More Technical Capacity Without Hiring?
Plug Zest into your delivery team for Shopify, WordPress, SEO and custom development. We work behind your agency brand, follow your workflow, and operate under NDA.
Discuss an Agency Partnership → See How the Partner Model Works →
White-Label Agency Partner
Your Shopify Development Team, Behind the Scenes.
Design, marketing, creative, and digital agencies often own the client strategy and brand relationship, but face development bottlenecks. Zest Web Solutions operates as your silent, white-label technical Shopify execution department under strict NDA.
White-Label Shopify Engineering
Dedicated Senior Developers
Fractional Technical Bench
Staff Augmentation Relief
Fixed-Price Project Builds
Sprint-Based Iterations
Monthly Developer Retainers
Ongoing Maintenance & SLAs
Explore the Agency Partner Program
Agency-First Safeguards & Operating Standards
- 100% White-Label & NDA: Mutual non-disclosure agreements executed before any project discovery or repository access.
- Zero Direct Client Contact: Your agency retains 100% ownership of the account, strategy, and communication.
- Jira & Monday.com Integration: We work directly inside your existing ticketing boards and PM environments.
- Predictable Delivery Timelines: Average Shopify builds delivered in ~1 month; projects delivered on time or before deadline.
- Daily CRM & Progress Updates: Transparent status reports, regular email, or WhatsApp updates to keep you in control.
- Flexible Commercial Models: Fixed-price quotes, bi-weekly sprints, or dedicated developer seats matched to your agency margin.
Engineering Capabilities
Shopify Development Capabilities Built for Performance & Scale.
Every ecommerce store has distinct operational, catalog, and conversion requirements. We engineer maintainable, software-grade Shopify solutions tailored to your commercial objectives.
Custom Shopify Stores
Complete end-to-end storefront builds with clean Liquid architecture, modular JSON templates, and fast-loading responsive layouts.
Shopify Theme Development (2.0)
Bespoke Shopify 2.0 themes translated precisely from Figma/Adobe XD UI designs with zero bloated dependencies or app conflicts.
Shopify Plus Engineering
Enterprise solutions including Checkout Extensibility, custom Shopify Functions, B2B wholesale portals, and multi-currency international routing.
Store Redesigns & Rebuilds
Visual and architectural modernizations engineered to improve conversion pathways while safeguarding existing search rankings and URL structures.
Platform Migrations to Shopify
Risk-free migrations from WooCommerce, Magento, BigCommerce, or custom platforms with 100% data mapping and 301 preservation.
Core Web Vitals & Speed Optimization
Sub-800ms LCP, low INP, and zero CLS achieved through Liquid loop refactoring, critical CSS rendering, and third-party script deferrals.
Technical SEO & Schema Architecture
Structured JSON-LD @graph schemas (Product, Offer, BreadcrumbList), canonical hierarchy fixes, and crawl budget optimizations via our SEO Hub.
Custom Sections & App Integrations
Modular Theme Customizer sections enabling marketing teams to build landing pages easily, paired with custom API, CRM, and ERP integrations.
Shopify Maintenance & Retainers
2 months included maintenance on eligible builds, followed by custom retainers, 3–5 day urgent fix SLAs, and contracted emergency support.
Engineering Discipline
Built to Perform. Built to Be Maintained.
Every line of Liquid and JavaScript is written with clean engineering standards to guarantee maintainability, high speed, and painless handoffs.
Principle 01
Clean Implementation
Avoid unnecessary app bloat, fragmented JavaScript frameworks, and duplicate code blocks. We write clean, semantic Liquid.
Principle 02
Responsive by Default
Fluid responsive layouts engineered and verified across real iOS and Android devices, tablets, and ultra-wide desktop monitors.
Principle 03
Performance-Aware Architecture
Speed is engineered from the first commit: optimized image srcsets, deferred analytics tags, and critical render path optimization.
Principle 04
SEO & Schema Integrity
Structured semantic markup, canonical link validation, clean heading hierarchies, and error-free product JSON-LD schemas.
Principle 05
Modular Component Schemas
Reusable section schemas and app blocks that empower non-technical teams to assemble landing pages without writing code.
Principle 06
Documented Maintainability
Structured repositories, descriptive Git commit histories, and code comments so your internal developers can maintain the store easily.
Engagement Options
Flexible Delivery Models Matched to Your Workflow.
Whether you require a fixed-price project quote, dedicated developer seats, or fractional capacity, we offer transparent commercial arrangements.
Fixed-Price Projects
Fixed-Price Shopify Builds
Defined scope, transparent deliverables, and guaranteed timelines for custom Shopify store builds, migrations, and major store redesigns.
Best For: Defined store builds, redesigns & replatforming
Sprint-Based Delivery
Bi-Weekly Development Sprints
Iterative development cycles with defined sprint backlogs, Git version control, and weekly velocity tracking for agencies and growing brands.
Best For: Agencies managing continuous client roadmaps
Dedicated Developers
Dedicated Senior Shopify Devs
Full-time senior Shopify engineers allocated exclusively to your agency or ecommerce team, integrating into your daily Slack/Jira channels.
Best For: High-volume agency overflow & ongoing builds
Fractional Technical Bench
Fractional Engineering Team
Access senior Shopify developers, technical architects, and QA engineers on a shared fractional basis without internal hiring overhead.
Best For: Boutique agencies needing senior technical depth
Monthly Retainers
Continuous Maintenance Retainers
Guaranteed monthly engineering hours for speed monitoring, promotional banner rollouts, app updates, CRO tweaks, and ongoing bug fixes.
Best For: Established ecommerce brands needing ongoing care
Staff Augmentation
On-Demand Staff Augmentation
Instantly expand your internal engineering team during peak project crunches, seasonal launches, or temporary capacity shortages.
Best For: Urgent agency deadline relief & overflow sprints
Standardized Operating Protocol
How We Deliver Shopify Projects.
A milestone-driven engineering framework that ensures code quality, predictable timelines (~1 month average duration), and zero launch surprises following the Zest Engineering Method™.
01
01 — Discovery & Technical Scoping
Understand business goals, catalog architecture, third-party apps, custom metafields, and delivery milestones.
Scope
02
02 — Architecture, Estimation & Timeline
Define Liquid data models, checkout functions, API integrations, and confirm project timeline (~1 month typical for builds).
Architecture
03
03 — Mutual NDA & System Access
Sign binding confidentiality agreements and gain access to Jira, Monday.com, Git repositories, or staging Shopify stores.
Access
04
04 — Shopify Development Sprint
Build the storefront using clean Liquid, modular section schemas, and version-controlled Git branches with daily status updates.
Build
05
05 — Multi-Device Pre-Flight QA
Cross-browser testing (iOS/Android/Desktop), checkout verification, and Core Web Vitals checks using our Technical QA Framework.
QA
06
06 — Review, Refinement & Zero-Downtime Launch
Agency/client review, final fixes, payment gateway live verification, 301 redirect validation, and seamless production cutover.
Launch
07
07 — 2 Months Included Maintenance
Provide 2 months complimentary post-launch support at no extra cost, followed by custom monthly maintenance retainers.
Care
Verified Delivery Evidence
Real Shopify Work. Delivered for Real Businesses.
Verified Shopify ecommerce storefronts delivered directly for brand owners or quietly through our white-label agency partner program. Explore our full Case Studies & Results.
Direct Client Project
Sarla Sarees
Custom luxury ethnic wear Shopify ecommerce store designed, developed, and maintained by Zest Web Solutions. Features custom Liquid architecture, multi-currency international checkout, swatch filters, and sub-second collection navigation.
Selected Agency-Delivered Work
HiMOD
Shopify ecommerce storefront engineered through an agency partnership. Zest delivered technical theme development, custom UI styling, responsive catalog layouts, and checkout verification behind the partner agency’s brand.
Selected Agency-Delivered Work
Charles Fish
Premium jewellery Shopify ecommerce store delivered through an agency relationship. Zest handled custom coding, technical feature integration, responsive testing, and ongoing store improvements.
Have a similar store requirement? Discuss your Shopify project with our engineers or explore our full library of case studies & results.
Technical Synergy
Shopify Development & Technical SEO Engineered Together.
A visually stunning store cannot scale if it suffers from bloated Liquid loops, poor Core Web Vitals, or broken schema graphs. We engineer storefronts with built-in search performance.
Performance Requirement
Sub-800ms Largest Contentful Paint (LCP) & Low INP
Engineering Solution
Critical CSS inlining, native responsive image srcsets, zero render-blocking scripts, and optimized Liquid loop execution to maximize conversion rates.
Search Visibility Requirement
Warning-Free Product Schema & Canonical Architecture
Engineering Solution
Custom JSON-LD @graph nesting connecting Product, Offer, Brand, and BreadcrumbList entities paired with Technical SEO Services and our SEO Hub.
Analytics Requirement
Flawless GA4 & Google Tag Manager Ecommerce Tracking
Engineering Solution
Data layer instrumentation for standard ecommerce events (view_item, add_to_cart, begin_checkout, purchase) and Microsoft Clarity user behavioral tracking.
Diagnostic Requirement
Identifying Pre-Existing Bottlenecks Before Rebuilding
Engineering Solution
Request our comprehensive Free Website Audit to uncover theme code debt, unindexed collection pages, and redundant third-party app scripts.
Post-Launch Care & SLAs
Shopify Maintenance & Ongoing Support Terms.
Support does not end at go-live. We provide transparent warranty care, predictable maintenance response times, and scalable monthly engineering retainers.
Complimentary Care
2 Months Included Maintenance
All eligible Shopify development builds include 2 months of post-launch maintenance at no additional cost to resolve warranty items and ensure smooth operation.
Standard SLA
5-Day Standard Response
General maintenance requests, theme enhancements, and content updates are systematically triaged and resolved typically within 5 working days.
Urgent Resolution
3–5 Day Urgent Fixes
High-priority checkout defects, payment gateway anomalies, or critical broken elements are prioritized with resolution within 3–5 working days.
Custom Retainers
Custom Ongoing Retainers
After your complimentary maintenance period, transition into a custom monthly retainer tailored to your catalog size, release velocity, and feature backlog.
Contracted SLA
Emergency & Out-of-Hours Support
For high-volume retail periods (e.g., Black Friday / Cyber Monday), contracted emergency and out-of-hours coverage is available under explicit paid SLA agreements.
Proactive Audits
Speed & Security Monitoring
Ongoing retainers include proactive Core Web Vitals checks, third-party app dependency reviews, and Shopify release compatibility updates.
Global Timezone Alignment
Remote Delivery Model. Global Agency Alignment.
From our technical headquarters in Ahmedabad, Gujarat, India, our 24+ in-house engineers provide seamless, time-zone aligned delivery for partner agencies worldwide.
🇦🇺
Australia
AEST / ACST / AWST
Overnight sprint delivery & morning standup alignment.
🇬🇧
United Kingdom
GMT / BST
4–5 hours daily direct working overlap with agency teams.
🇦🇪
United Arab Emirates
GST (Gulf Standard)
Near full-day real-time collaboration and project management.
🇿🇦
South Africa
SAST
Direct midday working alignment and sprint tracking.
🇸🇬
Asia (Singapore / HK)
SGT / HKT
Same-day turnaround and synchronized sprint coordination.
🇮🇳
India (HQ)
IST (GMT +5:30)
Central engineering base with 24+ in-house technical experts.
Commercial Clarifications
Ready to Scale Your Shopify Capabilities?
Whether you are an agency needing dependable white-label development capacity or an ecommerce brand planning a custom store build, we are ready to engineer your solution.
For Digital Agencies
Need Shopify Delivery Capacity Without Hiring Internally?
Partner with Zest as your silent, white-label technical development bench under strict NDA with Jira and Monday.com integration.
For Ecommerce Brands
Planning a Shopify Build, Redesign, or Speed Refactor?
Discuss your project scope directly with our technical team to receive a transparent architectural plan, fixed-price quote, and timeline.
Want to diagnose current theme bottlenecks first? Request a Free Technical Website Audit.
Established 2012
24+ In-House Technical Experts
30+ Shopify Stores Worked On
100% NDA Protection
Key numbers about Zest
years of engineering
since 2012
digital assets delivered
Delivered.
Measured.↗
13 verified reviews
senior in-house
technical experts
Let’s discuss
your project
Book a free technical discovery call.
Choose a time on Calendly ↗✉ info@zestwebsolutions.comLET’S COLLABORATETechnical discovery call
Share your goals, review your requirements, and discuss the right delivery model with our technical team.
- Your project and business goals
- Technical requirements and timeline
- Scope, delivery model, and next steps
We work with those
who think big.
Digital agencies
Your strategy and client relationships. Our silent technical delivery under NDA.
Growing brands
Shopify, WordPress, technical SEO, and performance campaigns built around your next stage of growth.
Established businesses
Reliable architecture, platform migrations, and ongoing engineering capacity without hiring overhead.
Let’s discuss your
Shopify project
Let’s talk about
what you need.
Speak directly with a senior technical lead. NDA available. No sales pressure.
Speak directly with a senior technical lead. To reach the team now, email us or book a call.
FAQ
Can you work as a white-label Shopify development partner for agencies?
Yes. We act as a silent technical delivery bench for design, digital, and marketing agencies. We work under strict mutual NDAs, use unbranded Git commits, communicate through your agency’s preferred channels, and maintain zero direct contact with your clients.
Do you sign mutual NDAs before reviewing project requirements?
Yes. We execute mutual non-disclosure agreements before reviewing proprietary designs, client briefs, technical scopes, or codebase repositories.
Can you work directly inside our agency’s Jira, Monday.com, or PM tools?
Yes. Our team has extensive daily experience working inside Jira, Monday.com, ClickUp, Asana, Trello, and Basecamp, and we adapt seamlessly to your agency’s established project management workflows.
Can you provide dedicated Shopify developers or fractional teams?
Yes. We offer dedicated senior Shopify developers, fractional technical benches (developers, QA specialists, and technical leads), and staff augmentation on monthly retainers or sprint-based contracts.
Do you offer fixed-price quotes as well as monthly retainers?
Yes. For clearly defined store builds, redesigns, and migrations, we provide transparent fixed-price quotes with clear milestone commitments. For continuous improvements, we offer predictable monthly retainers.
What is the typical project duration for a Shopify store build?
An average custom Shopify storefront build or redesign is delivered in approximately 1 month. Our delivery is structured with clear milestones and is consistently on time or ahead of deadline.
Do you include post-launch maintenance with Shopify development builds?
Yes. Eligible Shopify development builds include 2 months of post-launch maintenance at no additional cost. Afterward, we transition to customized ongoing maintenance retainers.
What are your standard support response times and urgent fix SLAs?
Standard maintenance requests are typically addressed within 5 working days. Urgent bug fixes and critical issues are prioritized within 3–5 working days. Explicit out-of-hours and emergency SLAs are available under contracted paid arrangements.
Can you work with enterprise Shopify Plus stores?
Yes. We engineer advanced Shopify Plus environments including Checkout Extensibility, Shopify Functions, B2B wholesale portals, multi-currency architectures, custom apps, and headless Storefront API setups.
Can you migrate our ecommerce store from WooCommerce or Magento to Shopify?
Yes. We execute structured migrations from WooCommerce, Magento, BigCommerce, and custom platforms with full catalog mapping, customer and order history preservation, and comprehensive 301 URL redirect maps.
How do you optimize Shopify performance and Core Web Vitals?
We optimize storefront Core Web Vitals (sub-800ms LCP, low INP, zero CLS) by refactoring inefficient Liquid loops, deferring third-party app scripts, compressing assets, and applying critical CSS rendering paths.
How does onboarding work for agencies and direct brands?
Onboarding follows a 7-step SOP: initial discovery call, scope and architecture definition, fixed-price or sprint quote with timeline, NDA execution, PM system access (Jira/Monday.com), development sprint commencement, and QA review.