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I’m a senior Shopify and full-stack engineer with 10+ years of experience building, migrating, and localizing e-commerce websites for international markets. I specialize in duplicating and adapting existing Shopify stores for new regions—handling product and content migration, currency and pricing updates, tax and shipping configuration, and payment gateway setup—while maintaining strict brand consistency. I’ve delivered fast-turnaround Shopify projects for US and UK storefronts expanding into new markets, ensuring sites are fully tested, responsive, and ready for launch within tight deadlines. I work independently, communicate clearly, and provide clean handover documentation so clients can manage their stores confidently after delivery. Remote-friendly, detail-oriented, and focused on getting it right the first time.…I’m a senior Shopify and full-stack engineer with 10+ years of experience building, migrating, and localizing e-commerce websites for international markets. I specialize in duplicating and adapting existing Shopify stores for new regions—handling product and content migration, currency and pricing updates, tax and shipping configuration, and payment gateway setup—while maintaining strict brand consistency. I’ve delivered fast-turnaround Shopify projects for US and UK storefronts expanding into new markets, ensuring sites are fully tested, responsive, and ready for launch within tight deadlines. I work independently, communicate clearly, and provide clean handover documentation so clients can manage their stores confidently after delivery. Remote-friendly, detail-oriented, and focused on getting it right the first time.

Ethan Swanson

Full Stack Developer, App Developer, Web Developer, +4

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I’m a senior Shopify and full-stack engineer with 10+ years of experience building, migrating, and localizing e-commerce websites for international markets. I specialize in duplicating and adapting existing Shopify stores for new regions—handling product and content migration, currency and pricing updates, tax and shipping configuration, and payment gateway setup—while maintaining strict brand consistency. I’ve delivered fast-turnaround Shopify projects for US and UK storefronts expanding into new markets, ensuring sites are fully tested, responsive, and ready for launch within tight deadlines. I work independently, communicate clearly, and provide clean handover documentation so clients can manage their stores confidently after delivery. Remote-friendly, detail-oriented, and focused on getting it right the first time.…I’m a senior Shopify and full-stack engineer with 10+ years of experience building, migrating, and localizing e-commerce websites for international markets. I specialize in duplicating and adapting existing Shopify stores for new regions—handling product and content migration, currency and pricing updates, tax and shipping configuration, and payment gateway setup—while maintaining strict brand consistency. I’ve delivered fast-turnaround Shopify projects for US and UK storefronts expanding into new markets, ensuring sites are fully tested, responsive, and ready for launch within tight deadlines. I work independently, communicate clearly, and provide clean handover documentation so clients can manage their stores confidently after delivery. Remote-friendly, detail-oriented, and focused on getting it right the first time.

Available to hire

I’m a senior Shopify and full-stack engineer with 10+ years of experience building, migrating, and localizing e-commerce websites for international markets. I specialize in duplicating and adapting existing Shopify stores for new regions—handling product and content migration, currency and pricing updates, tax and shipping configuration, and payment gateway setup—while maintaining strict brand consistency.

I’ve delivered fast-turnaround Shopify projects for US and UK storefronts expanding into new markets, ensuring sites are fully tested, responsive, and ready for launch within tight deadlines. I work independently, communicate clearly, and provide clean handover documentation so clients can manage their stores confidently after delivery.

Remote-friendly, detail-oriented, and focused on getting it right the first time.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Software Engineer at Kellton

July 1, 2023 - Present

Led end-to-end development of mobile and client-facing applications, delivering features rapidly while maintaining high stability, usability, and performance standards. Designed and implemented iOS components with Swift and Xcode, adhering to Apple Human Interface Guidelines to ensure intuitive user experiences. Managed full application lifecycles from requirements clarification through development, testing, debugging, and delivery under aggressive timelines. Collaborated remotely with product owners and stakeholders to translate high-level requirements into production-ready iOS solutions. Integrated iOS clients with web-based APIs and backend services to ensure reliable data exchange and consistent behavior. Conducted thorough unit and UI testing, and optimized performance and memory usage for smooth operation across devices. Produced technical documentation for usage, configuration, and post-delivery maintenance. Maintained delivery quality while working remotely and independently ma

Software Engineer at Intention, LLC

January 1, 2020 - June 1, 2023

Developed and maintained client-facing mobile and web applications with a focus on usability, reliability, and maintainability across mobile and web platforms. Built iOS application features using Swift, ensuring compliance with Apple platform standards and design guidelines. Worked closely with remote teams to clarify requirements and deliver scoped functionality within fixed timelines. Implemented RESTful API integrations to connect iOS applications with backend and web services. Performed extensive testing and debugging to ensure high-quality releases with minimal defects. Assisted in rapid prototyping efforts to validate product ideas and deliver functional demos quickly. Applied clean architecture principles to improve long-term maintainability and reduce technical debt. Documented application behavior, configuration steps, and known limitations for client handoff. Balanced multiple concurrent deliverables while maintaining strong attention to detail and quality. Supported short-t

Software Engineer at Mercado Labs

January 1, 2018 - December 1, 2019

Contributed to the development of mobile and web-integrated applications, supporting full stack workflows from UI to backend services. Built and maintained iOS features using Swift and Xcode, focusing on responsiveness and user experience consistency. Integrated mobile applications with web APIs and data services, ensuring reliable communication and error handling. Participated in testing, debugging, and performance tuning to improve application stability. Collaborated with designers and stakeholders to align application behavior with functional requirements. Assisted in preparing basic documentation to support application usage and ongoing maintenance. Worked effectively in remote and distributed team settings to meet delivery milestones. Demonstrated flexibility in adapting to new requirements and evolving project scopes. Supported rapid delivery cycles typical of short-term and pilot projects. Maintained high-quality code standards despite tight deadlines.

Software Engineer at Brecker Reality Development, LLC

January 1, 2016 - December 1, 2017

Developed client-facing applications and internal tools, supporting business workflows through reliable software solutions. Implemented mobile-friendly interfaces and application logic, laying the groundwork for later iOS-focused development. Collaborated with stakeholders to understand requirements and deliver functional software aligned with business goals. Assisted in testing and debugging to ensure stability prior to deployment. Gained hands-on experience with full stack development concepts, including frontend, backend, and data integration. Documented application features and usage to support internal users. Managed tasks independently while meeting defined delivery timelines. Built a strong foundation in software quality, maintainability, and user-centric design. Adapted quickly to new technologies and project requirements. Contributed to multiple small-to-medium projects with end-to-end responsibility.

Senior Shopify & E-commerce Engineer at Kellton

July 1, 2023 - Present

Led full Shopify website duplication and regional rollout projects, migrating thousands of products, images, collections, and content while preserving brand consistency across international storefronts. Executed market-specific localization strategies, updating currency, pricing logic, tax rules, and shipping zones to align with regional regulations and customer expectations. Customized Shopify themes using Liquid templating, JavaScript, and CSS, ensuring consistent UX and responsive behavior across desktop, tablet, and mobile devices. Configured and validated payment gateways, third-party checkout solutions, and fraud prevention tools tailored to regional payment preferences and compliance requirements. Partnered with clients to adapt product descriptions and merchandising content for local audiences without diluting global brand voice or design standards. Performed comprehensive functional, regression, and cross-device testing to ensure site stability, performance, and usability prio

Full Stack Software Engineer at Intention, LLC

January 1, 2020 - June 1, 2023

Built and maintained e-commerce and content-driven web platforms supporting multi-region audiences and international product catalogs. Developed front-end experiences with a focus on responsive design, performance optimization, and consistent branding across markets. Integrated third-party services for payments, shipping, analytics, and marketing automation to support scalable online sales operations. Supported content migration initiatives involving large datasets of product and media assets while minimizing downtime and data inconsistencies. Collaborated closely with business stakeholders to translate regional requirements into technical solutions aligned with brand guidelines. Implemented QA processes and release checklists to ensure production readiness and smooth deployments. Documented platform usage and operational workflows to support long-term maintainability and client autonomy. Delivered solutions in fast-paced, remote-first environments requiring strong self-direction and c

Junior Software Engineer at Brecker Reality Development, LLC

January 1, 2016 - December 1, 2017

Supported development of web platforms used for property listings, content management, and customer engagement. Assisted in maintaining site structure, media assets, and content updates across environments. Implemented UI enhancements and bug fixes using modern web technologies. Collaborated with senior engineers to understand full-stack development and deployment practices. Participated in testing cycles to ensure functionality and responsiveness across devices. Helped document technical processes and operational procedures for internal teams. Gained hands-on experience working in client-facing, deadline-driven environments. Supported data updates and content accuracy across production systems. Learned best practices for code quality, version control, and team collaboration. Contributed to steady platform improvements over multiple release cycles.