Senior Fullstack Engineer
Description
Company Overview:
Global Technology Services is a rapidly expanding organization situated in Medellín, Colombia. We pride ourselves on possessing one of the most influential networks within software development and IT services for the entertainment, financial, and logistics sectors. Our corporate projections offer a multitude of opportunities for professionals to elevate their careers and experience substantial growth. Joining our team means engaging with expansive engineering teams across Latin America, Philippines and the United States, contributing to cutting-edge developments in multiple industries.
Position Title: Fullstack Engineer
Category: Software Development
Seniority: Senior
Location: LATAM
What you will be doing:
We are looking for a Senior Shopify Developer with strong full-stack web development experience to build, customize, and maintain high-performing e-commerce experiences.
The ideal candidate combines deep Shopify storefront expertise with strong front-end and back-end development skills, API integrations, payment processing knowledge, and a strong understanding of UI/UX and conversion-focused e-commerce. This person will be comfortable taking ownership of a production Shopify environment, troubleshooting issues independently, and working directly with business stakeholders.
Required Skills & Experience
5+ years of professional experience as a full-stack developer or in combined front-end/back-end web development roles.
Strong hands-on experience building and customizing Shopify storefronts.
Strong understanding of REST and/or GraphQL APIs.
Proficiency with:
Shopify Liquid
Shopify theme architecture
Shopify APIs / Admin API
HTML
CSS/SCSS
JavaScript
Responsive and mobile-first development
Back-end development experience with at least one modern language/framework, such as Node.js, Python, Ruby, or PHP.
Experience integrating third-party platforms through APIs, particularly shipping, tracking, payment, or e-commerce services.
Understanding of online payment processing, including tokenization and PCI compliance considerations.
Strong UI/UX sensibility with an understanding of e-commerce conversion and customer experience.
Experience independently supporting and troubleshooting production e-commerce sites.
Strong communication skills and the ability to translate business requirements into technical scope.
Familiarity with online payment processing and credit card handling best practices (tokenization, PCI compliance considerations); direct experience with PaySafe or a comparable payment processor (Stripe, Braintree, Authorize.net, etc.) is a strong plus
Nice to Have
● Direct experience with AfterShip or similar post-purchase/shipment-tracking platforms
● Experience with e-commerce conversion optimization and analytics tools (GA4, Shopify Analytics, heatmaps)
● Experience with version control (Git) and basic CI/CD practices
● Background supporting a small business or startup as the sole or lead technical resource
● Experience in travel, logistics, shipping, or golf/sporting goods e-commerce
Soft Skills
Strong problem-solving and debugging skills
Ability to work independently and take ownership of projects
Strong communication skills with the ability to articulate, diagram and document complex engineering concepts.
Why you will love GTS:
Join a powerful tech workforce and help us change the world through technology
Professional development opportunities with international customers
Collaborative work environment
Career path and mentorship programs that will lead to new levels.
Join GTS and contribute to shaping the data landscape within a dynamic and growing organization. Your skills will be honed, and your contributions will play a vital role in our continued success. GTS is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.