Open for Contracts

Shopify
Solutions Engineer.

FOR AMBITIOUS BRANDS.

Brazil HQ - Global Operations

TECHNICAL ARSENAL

Built for the Enterprise.

We implement, extend, and integrate custom, owned Shopify setups, tailored to each brand’s vision and way of working, using a modern tech stack and industry best practices.

Shopify Platform

Liquid

Shopify Functions / Extensions

App Bridge

Remix

Custom Pixels

Shopify Plus

Checkout Extensibility

Full-Stack Development

TypeScript

JavaScript

React

Next.js

Node.js

AI Tooling

PostgreSQL

Redis

HTML

CSS

Performance & Ops

Core Web Vitals

Performance & Caching

CI/CD

Automated Testing

Accessibility

GitHub Actions

Selected Work

Engineering for scale and performance.

Smilodox GmbH Co. & KG

Custom Theme Development for Shopify Plus storefront. Multiple hand-made features replacing previously paid apps, saving the company over 50.000 € annually in app fees. Some features that stand out: blended store for D2C/B2B, smart search & filter capabilities, free-gift in cart, upsells, split-variant handling, sales-mode, and many others that can be easily turned on/off directly in Shopify Editor.

IntegrationsCustom Theme DevelopmentLiquidCSSJSPerformanceSEOAccessibilityFlows Automation

Returns Management System

Internal, exclusive custom shopify app built with Remix and Shopify Extensions, handling thousands of monthly return requests. Customers can submit returns/exchange/cancellation requests directly from their customer account area (guest orders also have secure, direct access). Automated shipping labels, exchange, cancellations and refunds. The app also provides an interface in Shopify Admin for full visibility and control.

Custom App DevelopmentRemixShopify Extensions/FunctionsGraphQLAdmin APIApp BridgeAuthSecurity

Neosupps GmbH

Custom Theme Development for Shopify Plus storefront. Features include blended D2C/B2B storefront, free-gift logic, sales modes, and several apps replaced with owned code. Highlight: a metafield-driven product grouping engine that maintains the ERP’s single-product catalog while delivering a variant-like shopping experience across collection and product pages, solving a critical business data constraint without disrupting other sales channels.

Custom Theme DevelopmentLiquidCSSJSPerformanceSEOAccessibilityMetafieldsProduct Grouping

Trajectory

A timeline of technical growth and complex problem solving.

Smilodox & Neosupps

2024 — Present

Lead Software Engineer

Architecting and leading the digital ecosystem for two major German D2C brands at enterprise scale. Owning the full engineering lifecycle across Shopify Plus storefronts, internal tools, and custom apps. Delivering high-performance solutions, replacing paid apps with owned systems, and implementing mission-critical features across both brands. Modernized legacy codebases, unified processes across departments, and improved customer support workflows and reliability throughout the stack. Introduced the company’s first AI-Agent for the support system, achieving up to 60% automation during peak sales periods. Additional achievements include deploying Shopify POS systems for major events such as FIBO 2024 and 2025, and building custom app extensions for large-scale returns automation.

Hamburg Software House - Webconia GmbH

2023 — 2024

Full Stack Developer

Developed secure, accessible web portals for large established German institutions and high-traffic e-commerce clients. Focused on React/Node.js architectures. Specialized in complex API integrations and responsive, highly-interactive, pixel perfect UI/UX interfaces.

Independent Engineering

2019 — 2022

MERN Full Stack Developer

Launched my engineering career after intensive bootcamp full-time training and years of self-study. Built modern MERN applications, applying industry best practices early and adapting quickly as AI tooling reshaped development workflows.

Let's talk
Solutions.

software@rabenoli.com