Senior Full-Stack Engineer

vor 1 Tag

Osnabrück, Niedersachsen, Deutschland EX Squared LATAM Vollzeit
Senior Full-Stack Engineer (E-commerce Platform)

At EX Squared LATAM, we connect top engineering talent across the region with high-impact digital products. We're currently looking for a Senior Full-Stack Engineer to join a cross-functional team supporting a high-traffic e-commerce platform for a U.S.-based, mission-driven company.

We're looking for a true full-stack engineer with strong frontend and backend experience, who has worked with Shopify as part of a broader, modern web architecture.

What You'll Do

  • Own and implement complex frontend features using React (and modern frameworks), with strong emphasis on performance, accessibility, and maintainability.

  • Build and maintain backend APIs and services, supporting frontend functionality and integrations.

  • Integrate frontend applications with Shopify Storefront APIs and internal backend systems.

  • Work across the stack to deliver scalable, high-quality e-commerce experiences in a high-traffic environment.

  • Collaborate closely with Product, Design, Frontend, and Backend teams to ship polished, user-focused features.

  • Drive best practices around code quality, modular architecture, performance optimization, and testing.

  • Break down complex initiatives into incremental, shippable deliverables.

  • Contribute to architectural discussions and help improve engineering standards across the team.

  • Mentor other engineers through code reviews and technical collaboration.

What You'll Bring

  • 5+ years of experience building complex web applications as a Full-Stack Engineer.

  • Strong expertise in modern frontend development, particularly with React and component-based architectures.

  • Solid backend experience building and maintaining APIs (experience with PHP/Laravel, , or similar backend stacks).

  • Experience working with Shopify, preferably integrating custom storefronts via APIs — Shopify is important, but not the core skill.

  • Comfort working in systems that span multiple backends and services.

  • Strong understanding of scalable architecture, performance, and maintainable codebases.

  • Experience improving existing codebases and engineering processes.

  • Ability to explain technical decisions, trade-offs, and refactoring approaches clearly.

  • Experience collaborating in remote, cross-functional teams.

  • Advanced English proficiency (C1), comfortable communicating with U.S.-based teams.

    What We Offer

    • Competitive USD compensation.

    • 100% remote work from anywhere in Latin America.

    • Flexible schedules and a people-first culture.

    • Opportunities for continuous learning and professional growth.

    • The chance to work on global e-commerce platforms with modern technologies.

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