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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Specialist, Implementation Engineer - Spain - **Company:** Checkout Com - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), PHP (Programming Language), Application Programming Interfaces (APIs), C Sharp (Programming Language), Software Debugging, Python (Programming Language), Node.Js, Time Tracking Software, ReactJS, Software Coding, Restful APIs, Webhooks, Golang - **Published:** August 5, 2026 - **Apply:** https://www.buscojobs.com.es/senior-specialist-implementation-engineer-spain-en-madrid-ID-365589162 ## About the Role Technical support experience in a Tech/FinTech company Have payments experience would be advantageous Understanding of API, REST, webhooks and logs is required Strong coding skills in at least one of these languages: Java, Javascripts, PHP, Python, Go, C# Experience with Node.js, React is a plus Knowledge in iOS/Android is a plus Excellent communication skills, ability to build and maintain strong relationships Ability to work in a customer-focused and target-driven environment Fluency in Spanish and English. Any other languages are a plus #J-*****-Ljbffr ## Description How you'll make an impactProvide technical support to merchants during their implementation of Checkout.com payment processing technologyAnswer all merchants' integration related questions, including but not limited to configuration, debugging, documentation, testing, go-live support, and post-live supportManage incidents as related to the integration (investigation, troubleshooting, escalation, resolution, reporting, time tracking and analysis of incidents)Collaborate and partner with internal teams such as Merchant Configuration, Sales, Account Managers, and Merchant Care, to resolve issues during customer trials, integrations, or post-implementation supportInteract with the Product teams to pinpoint improvement ideasAdvise Manager on issues which impact customer satisfaction and provide recommendations for appropriate actionsAbility to multitask with multiple projects and integrations of customersMaintain/update existing libraries/plugins used in integrationsQualificationsTechnical support experience in a Tech/FinTech companyHave payments experience would be advantageousUnderstanding of API, REST, webhooks and logs is requiredStrong coding skills in at least one of these languages: Java, Javascripts, PHP, Python, Go, C#Experience with Node.js, React is a plusKnowledge in iOS/Android is a plusExcellent communication skills, ability to build and maintain strong relationshipsAbility to work in a customer-focused and target-driven environmentFluency in Spanish and English.Any other languages are a plus#J-*****-Ljbffr ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Stop using Node.js like in 2020! 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