Blue Code Alicante is hiring a

Senior FullStack Integration Engineer to join one of our clients, an international SaaS company building product configuration and personalization technology for e-commerce and enterprise customers. You will take ownership of customer integrations from development through delivery. The role is explicitly expected to own integration outcomes rather than only complete assigned development tickets (approximately 70% hands-on technical work and 30% coordination and communication), working closely with Project Managers, developers and other specialists.

Responsibilities Build and maintain customer integrations, mainly through custom development and APIs

Take technical ownership of integrations from requirements through testing and delivery

Investigate and solve integration issues across different customer platforms

Maintain a clear overview of status, dependencies, risks and next steps

Work closely with Project Managers and communicate technical risks or missing information early

Support Sales and PMs with technical requirements during discovery and pre-sales

Work with platforms such as Make.com and customer systems including Magento, Shopify and WooCommerce when required





Proactively follow up on blockers instead of waiting for tasks or reminders

Requirements

Senior-level software development experience (minimum 5-6 years experience)

Strong frontend experience, preferably with Vue (highly valued React, Angular)

Strong experience with REST APIs, HTTP, webhooks and external system integrations

Comfortable understanding unfamiliar systems and finding technical solutions independently

Good communication skills and strong ownership mentality

Ability to coordinate technical work and keep projects moving

Requiered minimum a +B2 English Level

Nice to have (but not required) PHP with Laravel or Symfony

Experience with Make.com or other iPaaS platforms

Magento, Shopify or WooCommerce experience

Experience with ERP, PIM, CPQ or e-commerce integrations

SQL, Node/NPM, Linux, Docker or Kubernetes experience

Competitive salary depending on experience

International English-speaking environment

Hybrid model: office days Tuesday and Thursday

Senior role with high autonomy and ownership

Opportunity to work on integrations across different technologies and international customers

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📌 Senior FullStack - Integration Engineer (Madrid)
🏢 Blue Code
📍 Madrid