Location: Remote – Mexico

Employment Type: Full-Time

About Kwan Technology

At Kwan Technology, we connect top engineering talent across Latin America with innovative U.S.-based companies.

Our teams build scalable software solutions across industries including logistics, fintech, cybersecurity, healthcare, and SaaS.

We are currently looking for a Backend Integration Developer to join one of our U.S. clients in the logistics and eCommerce industry.

This is an exciting opportunity to work on large-scale integrations that support high-volume fulfillment operations and mission-critical business processes.

About the Role

As a Backend Integration Developer, you will design, develop, and maintain integrations between a Warehouse Management System (WMS) and multiple third-party platforms, including CRM systems, ERP solutions, shipping carriers, eCommerce platforms, and custom applications.

This is a hands-on backend development role where you'll collaborate with a distributed engineering team, taking ownership of the integrations you build while helping ensure scalability, reliability, and performance.

Responsibilities

- Design, build, and maintain backend integrations between a Warehouse Management System (WMS) and external platforms.
- Develop and maintain integrations with CRM systems, ERP platforms, carrier APIs, eCommerce platforms, and custom applications.
- Build RESTful APIs, webhooks, and data synchronization services.
- Develop data transformation and integration workflows.
- Implement and support EDI/B2B integration processes.
- Troubleshoot production integration issues and optimize system performance.
- Monitor data flows to ensure reliability and accuracy.
- Collaborate with product owners and engineering teams to deliver integration projects.
- Recommend improvements to architecture, performance,



and development processes.

Required Qualifications

- 3–7 years of professional backend software development experience.
- Strong experience with PHP or Python.
- Proven experience building third-party integrations and consuming external APIs.
- Solid understanding of:
- - RESTful APIs
- Webhooks
- Authentication methods (OAuth, API Keys, JWT)
- Data mapping and transformation

- Experience working with MySQL or other relational databases.
- Experience integrating eCommerce platforms such as Shopify or similar.
- Strong debugging and problem-solving skills.
- Professional English communication skills (written and spoken).
- Ability to collaborate effectively with remote international teams.

Preferred Qualifications

- Experience with Warehouse Management Systems (WMS).
- Experience with EDI standards and B2B integrations.
- Salesforce integration experience.
- Background in logistics, supply chain, or fulfillment systems.
- Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform.
- Familiarity with message queues and event-driven architectures.
- Experience with CI/CD pipelines and deployment automation.

Technical Skills

- PHP or Python
- REST APIs
- Webhooks
- MySQL
- API Integrations
- Shopify (or similar eCommerce platforms)
- EDI
- CRM & ERP Integrations
- Git
- Cloud Platforms (AWS, Azure, or GCP)

What We're Looking For

We're looking for a developer who enjoys solving integration challenges, writing clean and maintainable code, and taking ownership of their work.

The adecuado candidate is proactive, detail-oriented, and comfortable working in a collaborative environment with international teams.

You should be passionate about building reliable backend systems that support business-critical operations.

Required Skill Profession

Computer And Mathematical

📌 Backend Integration Developer (Mérida)
🏢 Kwan Technology
📍 Mérida