Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am a senior Shopify and full-stack developer with a strong track record of creating and customizing high-performance eCommerce stores. I specialize in Shopify themes, Online Store 2.0, custom apps, and API integrations using Liquid, JavaScript, and React. I’m a hands-on developer who builds scalable web applications and APIs using the MERN stack, with a focus on performance, clean code, and reliability. Over the past years, I’ve migrated over 35 Shopify and Shopify Plus stores from WordPress and Magento, collaborated with US-based brands generating eight-figure monthly revenue, and contributed across markets including the US, UK, Ireland, Sweden, and Australia. I’m comfortable working in Agile environments, with REST APIs, databases, and cloud deployments while maintaining a user-centric approach to UX and conversion optimization.…I am a senior Shopify and full-stack developer with a strong track record of creating and customizing high-performance eCommerce stores. I specialize in Shopify themes, Online Store 2.0, custom apps, and API integrations using Liquid, JavaScript, and React. I’m a hands-on developer who builds scalable web applications and APIs using the MERN stack, with a focus on performance, clean code, and reliability. Over the past years, I’ve migrated over 35 Shopify and Shopify Plus stores from WordPress and Magento, collaborated with US-based brands generating eight-figure monthly revenue, and contributed across markets including the US, UK, Ireland, Sweden, and Australia. I’m comfortable working in Agile environments, with REST APIs, databases, and cloud deployments while maintaining a user-centric approach to UX and conversion optimization.

Lucas Miller

Web Developer, Front-End Developer, Full Stack Developer, +6





I am a senior Shopify and full-stack developer with a strong track record of creating and customizing high-performance eCommerce stores. I specialize in Shopify themes, Online Store 2.0, custom apps, and API integrations using Liquid, JavaScript, and React. I’m a hands-on developer who builds scalable web applications and APIs using the MERN stack, with a focus on performance, clean code, and reliability. Over the past years, I’ve migrated over 35 Shopify and Shopify Plus stores from WordPress and Magento, collaborated with US-based brands generating eight-figure monthly revenue, and contributed across markets including the US, UK, Ireland, Sweden, and Australia. I’m comfortable working in Agile environments, with REST APIs, databases, and cloud deployments while maintaining a user-centric approach to UX and conversion optimization.…I am a senior Shopify and full-stack developer with a strong track record of creating and customizing high-performance eCommerce stores. I specialize in Shopify themes, Online Store 2.0, custom apps, and API integrations using Liquid, JavaScript, and React. I’m a hands-on developer who builds scalable web applications and APIs using the MERN stack, with a focus on performance, clean code, and reliability. Over the past years, I’ve migrated over 35 Shopify and Shopify Plus stores from WordPress and Magento, collaborated with US-based brands generating eight-figure monthly revenue, and contributed across markets including the US, UK, Ireland, Sweden, and Australia. I’m comfortable working in Agile environments, with REST APIs, databases, and cloud deployments while maintaining a user-centric approach to UX and conversion optimization.

Available to hire

I am a senior Shopify and full-stack developer with a strong track record of creating and customizing high-performance eCommerce stores. I specialize in Shopify themes, Online Store 2.0, custom apps, and API integrations using Liquid, JavaScript, and React. I’m a hands-on developer who builds scalable web applications and APIs using the MERN stack, with a focus on performance, clean code, and reliability.

Over the past years, I’ve migrated over 35 Shopify and Shopify Plus stores from WordPress and Magento, collaborated with US-based brands generating eight-figure monthly revenue, and contributed across markets including the US, UK, Ireland, Sweden, and Australia. I’m comfortable working in Agile environments, with REST APIs, databases, and cloud deployments while maintaining a user-centric approach to UX and conversion optimization.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Portuguese

Fluent

Spanish; Castilian

Advanced

Work Experience

Shopify Developer at Netalico - eCommerce Web Development

March 2, 2024 - April 2, 2026

Built and customized Shopify themes and apps, implemented API integrations using Liquid, JavaScript, and React. Focused on high-performance storefronts, clean code, SEO, and reliability for scalable eCommerce solutions. Worked on Online Store 2.0 features and cloud deployments.

Shopify Plus Developer / CRO Engineer at US-based clients / projects

March 1, 2024 - April 2, 2026

Built Shopify storefronts using React and Next.js; developed custom Shopify apps to extend store features; integrated Shopify with external systems such as CRMs and payment tools; optimized performance and conversion rates; collaborated with teams on CRO strategies.

Senior Shopify Developer at We Make Websites

October 1, 2022 - Present

Lead Shopify development and CRO initiatives for seven-figure DTC and B2B brands. Built scalable Shopify stores, implemented AB tests, optimized checkout UX to increase AOV, RPV, and LTV, and reduced cart abandonment. Collaborated with cross-functional teams to map the CRO process and integrate an AI-assisted platform with Shopify to roadmap and manage workflows. Built and optimized site performance, fixed slow and bloated stores.

Shopify Developer at Amasty

July 2, 2022 - December 2, 2023

Built and customized Shopify themes, apps, and integrations using Liquid, HTML, CSS, and JavaScript. Leveraged Online Store 2.0 features. Developed Shopify apps and integrated tools like Klaviyo, Google Tag Manager, and Meta Pixel. Optimized store performance, SEO, and conversion rates.

Shopify Developer at UK-based client (Online Store 2.0 features)

July 1, 2022 - December 31, 2023

Built and customized Shopify themes using Liquid, HTML, CSS, and JavaScript with Online Store 2.0 features. Developed Shopify apps and integrated tools like Klaviyo, Google Tag Manager, and Meta Pixel. Optimized store performance, SEO, and conversion rates.

Natural Language Processing Engineer at Graph Databases

January 1, 2021 - Present

Remote role focusing on entity recognition and entity linking to map text data into knowledge-graph nodes and relationships. Designed and implemented NLP pipelines to convert unstructured text into structured graph representations, and optimized model performance for scalable, low-latency inference in production.

Firmware Developer at MinioVa Team

January 1, 2021 - Present

Developed low-level firmware for hardware devices; wrote efficient, reliable C code; debugging with oscilloscopes, logic analyzers, and serial logs; collaborated with cross-functional teams to integrate firmware with higher-level systems.

Full Stack Developer at BeBee

March 2, 2020 - August 2, 2022

Built basic web applications using the MERN stack. Implemented front-end interfaces with HTML, CSS, JavaScript, and React. Assisted in building and testing REST APIs with senior developers. Used Git in an Agile team environment.

Full Stack Web Developer at BeBee

March 1, 2020 - February 28, 2021