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# Senior Fullstack Developer (Ecommerce Platform Integrations)

- **Company:** Multisafepay
- **Location:** Oña, Spain
- **Contract:** Permanent contract
- **Skills:** HTML, JavaScript (Programming Language), PHP (Programming Language), Confluence, JIRA, Cascading Style Sheets (CSS), Software Debugging, Software Design Patterns, Linux, Web Development, JQuery, Laravel, Model View Controller (MVC), Object-Oriented Software Development, Open Source Technology, Package Management Systems, Payment Gateway, Payment Service Provider, PrestaShop, Symfony, Systems Integration, WooCommerce, Zend Framework, ReactJS, Magento, Git, Vue.js, AngularJS, Atlassian Tools, Enterprise Integration, Npm(Software), Front End Software Development, Restful APIs, Shopware, Domain Driven Design, Docker, Microservices
- **Published:** July 22, 2026
- **Apply:** https://www.buscojobs.com.es/senior-fullstack-developer-ecommerce-platform-integrations-en-ona-ID-364951787

## About the Role

A Bachelor\'s degree or equivalent working knowledge, with solid experience in web development and e-commerce
Proven experience building payment gateway integrations for platforms such as Shopware, WooCommerce, PrestaShop, or Magento
Strong proficiency in PHP (including MVC frameworks such xcskxlj as Symfony, Laravel, or Zend), front-end technologies (HTML, JavaScript, CSS), and JavaScript frameworks (jQuery, Angular, Vue, or React)
A solid understanding of object-oriented programming concepts and design patterns
Hands-on experience with RESTful APIs, Git, Docker, and package managers such as Composer and NPM
Familiarity with the Atlassian stack (Jira, Confluence) and Linux/UNIX environments
Strong communication skills with fluency in English

## Description

OverviewSi desea saber un poco más sobre esta oportunidad, o está considerando presentar su candidatura, por favor, lea la siguiente información del puesto.MultiSafepay is a leading payment service provider, offering omnichannel and advanced payment solutions to businesses across Europe.We are innovative and fast-growing, building powerful solutions that transform the way our clients do business.We focus on delivering real solutions to their challenges and always stay ahead of the curve.In short, we are a true FinTech.We are on a mission to make payments simple, secure, and accessible for every business.With powerful in-house technology and deep expertise, our modular platform brings online, in-person, and cross-border payments together in one place - giving merchants the flexibility to scale on their own terms.Through a partnership-first approach, we tackle complexity head-on, keep payments running smoothly, and boost success rates.It\'s how we level the playing field for businesses of all sizes and ambitions.About The RoleOur Development team builds and maintains the payment gateway modules that power e-commerce integrations across platforms like Shopware, WooCommerce, PrestaShop, and Magento.We differentiate ourselves by developing all solutions in-house, working alongside global partners such as Visa, Mastercard, Klarna, and Afterpay, and applying Domain-Driven Design and microservices architecture to build scalable, maintainable systems.We are looking for a Fullstack Developer to join this team.In this role, you will be responsible for developing, maintaining, and supporting payment gateway integrations across multiple open source e-commerce platforms.Your work will be central to delivering the seamless, high-quality payment experience our merchants and their customers depend on.What you'll be doingDeveloping, maintaining, and supporting payment gateway integrations across e-commerce platforms including Shopware, WooCommerce, PrestaShop, and MagentoCollaborating with the development team to ensure consistency and quality of payment modules across different platformsPerforming testing and debugging of integrations - including unit, functional, integration, and end-to-end testing - to ensure optimal performance and user experienceStaying current with trends and best practices in e-commerce, open source communities, and the payments industrySupporting the technical support team in diagnosing and resolving integration-related issuesWhat You'll NeedA Bachelor\'s degree or equivalent working knowledge, with solid experience in web development and e-commerceProven experience building payment gateway integrations for platforms such as Shopware, WooCommerce, PrestaShop, or MagentoStrong proficiency in PHP (including MVC frameworks such xcskxlj as Symfony, Laravel, or Zend), front-end technologies (HTML, JavaScript, CSS), and JavaScript frameworks (jQuery, Angular, Vue, or React)A solid understanding of object-oriented programming concepts and design patternsHands-on experience with RESTful APIs, Git, Docker, and package managers such as Composer and NPMFamiliarity with the Atlassian stack (Jira, Confluence) and Linux/UNIX environmentsStrong communication skills with fluency in EnglishWhat You'll Get From UsA competitive salary and benefits packageOpportunities for professional growthA diverse role within a dedicated international team of enthusiastic colleaguesOffice with an amazing view of the beachHealth insuranceFree Spanish classes and optional afterwork sports activities#J-*****-Ljbffr


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