Service 02

Shopify Engineering and Customization

I help merchants ship Shopify work that directly affects revenue and operations: faster storefronts, smarter conversion logic, stable app integrations, and internal tooling that saves team time. Engagements are implementation-first, not strategy-only.

Good fit for

D2C brands, Shopify Plus teams, and agencies that need senior execution across storefront, apps, checkout logic, and operations.

Book a Shopify Strategy Call Send project details

Prefer email? hey@nive.sh

What gets delivered

Theme architecture, UX refinements, and storefront performance optimization
Custom Shopify apps, app extensions, and merchant tooling
Checkout, cart, bundles, and discount/Function workflow engineering
Integrations and automation for shipping, fulfillment, and post-purchase operations
Release stabilization, QA workflows, and ongoing growth-focused support

How the engagement runs

01
Revenue-path audit across homepage, PDP, cart, checkout, and post-purchase workflows
02
Prioritized implementation plan with clear business impact, dependencies, and rollout sequencing
03
Execution in staging-first cycles with QA across devices, buyer journeys, and edge-case order paths
04
Launch hardening with analytics checks, iteration backlog, and optional ongoing support

Why teams hire me for this

Done it as a founder, and for clients.

Co-founded Sellify Apps and Yopify, where I built and shipped Shopify apps used for upsell, social proof, and post-purchase conversion workflows.
Long-term Shopify delivery partner for Fabric Wholesale Direct (since 2017), including theme engineering, discount logic, shipping automation, and operational tooling.
Delivered Shopify Plus redesign and custom bundle/discount workflows for INNBeauty Project, with recurring sales-engineering support.
Built custom returns and warranty workflows plus internal tooling for By Simran, improving post-purchase operations.
Supported recurring campaign launches, maintenance, and stabilization for stores that cannot afford checkout or release instability.

In detail

Everything the track covers.

Each area below is work I have shipped for real stores, not a menu of possibilities.

Storefront and Theme Engineering

Production-ready Shopify theme work that keeps merchandising flexible while improving speed, UX clarity, and release safety.

What I help with

Theme architecture cleanup for long-term maintainability (OS 2.0 sections, reusable components, cleaner templates)
PDP/collection/cart UX refinements focused on reducing buyer friction
Mobile-first optimization and performance hardening across high-traffic templates
Theme updates and controlled rollout workflows for active campaign calendars

Shipped examples

Led a full Shopify storefront redesign and theme upgrade for INNBeauty Project while supporting ongoing campaign execution.
Delivered long-term storefront customization and performance improvements for Fabric Wholesale Direct.
Handled ongoing theme upgrades and SEO/speed-focused refinements for TruckMount Forums.

Conversion, AOV, and Merchandising Workflows

Custom buyer-path logic for upsells, bundles, promotions, and offer orchestration that standard apps often cannot model correctly.

What I help with

Upsell and cross-sell logic tied to product type, cart state, or campaign rules
Bundle and build-your-own-pack experiences with inventory-aware behavior
Offer sequencing for recurring sales events and seasonal promotions
Cart UX and messaging improvements for clearer value communication before checkout

Shipped examples

Built multiple conversion-focused Shopify apps (upsell, social proof, and post-purchase flows) for Sellify Apps.
Implemented advanced build-your-own-bundle and discount workflows for INNBeauty Project.
Supported recurring sales setup and conversion operations for TruckMount Forums.

Custom Shopify App Development and Extensions

Build custom apps when off-the-shelf tools are limiting growth, operational control, or pricing logic requirements.

What I help with

Custom app architecture for single-store and multi-merchant use cases
Embedded app UI flows and merchant-friendly settings/configuration experiences
Webhook-driven workflows, background jobs, and reliable data synchronization
Build-vs-buy evaluation when deciding between custom app work and third-party installs

Shipped examples

Built and launched Shopify public apps while co-founding Yopify and Sellify Apps.
Delivered custom discount-focused Shopify apps for merchants with advanced rule requirements.
Created internal utility apps and operational tools for merchant teams with unique day-to-day workflows.

Checkout, Discounts, and Function-Level Customization

Engineer complex discounting and checkout behavior where revenue logic is too specific for prebuilt plugin settings.

What I help with

Advanced discount logic based on product, quantity, customer segment, and cart composition
Bundle pricing rules, stack constraints, and campaign-specific conditions
Shopify Functions and discount workflow implementation for precise pricing behavior
Checkout-path reliability improvements and QA for high-volume campaign periods

Shipped examples

Implemented discount app/function workflows across multiple long-term client stores.
Built advanced discount and bundle logic for Shopify Plus requirements at INNBeauty Project.
Supported checkout reliability improvements for a confidential D2C nutrition brand.

Integrations, Shipping, and Operations Automation

Connect Shopify with fulfillment and internal workflows so teams spend less time on manual operations and exception handling.

What I help with

ShipStation and shipping workflow integrations with custom business rules
Automation for repetitive order, fulfillment, and support-side tasks
Operational dashboards and merchant-side tools for internal team productivity
Third-party integration support with guarded rollout and monitoring plans

Shipped examples

Built ShipStation integrations and shipping-focused utility apps for Fabric Wholesale Direct.
Partnered on Shipping+, an automation product for carrier rate shopping and warehouse workflow efficiency.
Implemented third-party integration and workflow support for TruckMount Forums across recurring release cycles.

Post-Purchase, Returns, and Customer Operations

Improve post-purchase experiences with tailored workflows that reduce support load and increase customer confidence.

What I help with

Returns and warranty portal implementation tailored to your policies and internal processes
Post-purchase experience enhancements tied to support and retention goals
Internal workflow apps for operations and customer service teams
Process design for handling edge cases and reducing manual interventions

Shipped examples

Built a custom returns and warranty portal for By Simran.
Developed team-specific internal tooling for post-purchase operations.
Delivered ongoing operational enhancements across integrations, UX improvements, and conversion maintenance.

Stabilization, Maintenance, and Growth Retainers

Ongoing technical ownership for Shopify stores that need predictable shipping velocity without quality regressions.

What I help with

Audit and cleanup of unstable theme/app setups
Release hardening for campaign-heavy stores with tight timelines
Continuous optimization backlog covering conversion, speed, and operational efficiency
Senior hands-on implementation instead of ticket-only advisory

Shipped examples

Stabilized release cycles and improved checkout reliability for a confidential D2C engagement.
Provided recurring Shopify maintenance, campaign support, and integration work for TruckMount Forums.
Delivered long-term Shopify execution for Fabric Wholesale Direct with both storefront and operations impact.

Scope & tooling

Shopify theme architecture (Liquid + OS 2.0)
Shopify Admin APIs, webhooks, and app integrations
Custom app engineering with practical merchant UX
Discount and Function-based pricing workflows
Performance optimization, QA workflows, and safe release processes

Proof

Related case studies.

See all client work

Shopify appsSellify Apps

Shopify Growth Suite for High-Volume Merchants

Built and iterated multiple Shopify conversion apps focused on upsell, social proof, and checkout experience improvements.

Shopify APIs
PHP
Laravel

FAQ

Questions about this track.

Do you work with existing themes and apps?

Yes. Most work is done on live stores with safe staging workflows and controlled rollouts.

Can you help with app strategy?

Yes. I help define build-vs-buy decisions, app architecture, and launch execution.

Can you handle both quick wins and complex builds?

Yes. I usually split work into two tracks: immediate conversion/operations wins and deeper structural work that reduces long-term technical drag.

Do you work only on Shopify Plus?

No. I work across standard Shopify and Shopify Plus stores. The implementation options differ, so I map solutions to your actual plan and constraints.

Can you collaborate with our agency or in-house team?

Yes. I often work as a senior execution layer alongside design, growth, or agency teams with clear ownership and delivery accountability.

What if our current setup is messy?

That is common. I start with a stability and risk audit, then create a phased plan to fix high-impact issues first before layering new features.

Can you support ongoing releases after initial delivery?

Yes. Many partnerships are structured as ongoing Shopify execution retainers for campaign support, optimization, and maintenance.

Reading

Articles on this topic.

All articles

Apr 7, 2021 · 1 min read

[Shopify Script] 2 or more variants within the same product ID get 10% off

In this article, we are going to create a Shopify Script that gives 10% discount on the line items having at least 2 quantities of same product.

shopify-scripts
shopify-plus

Jul 17, 2020 · 5 min read

Different types of Shopify apps

In this lesson, we will learn about four types (Public, private, custom and draft apps) of Shopify apps and different characteristics for each type of app.

shopify

Taking on new projects

Ready to talk about shopify engineering and customization?

Tell me about the storefront, product or platform you’re working on. A 30-minute call is usually enough to map the first steps.

Book a 30-min call Send a project brief

hey@nive.sh

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