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# Senior Implementation Engineer

- **Company:** Jobtailor
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), PHP (Programming Language), Application Programming Interfaces (APIs), Apple IOS, C Sharp (Programming Language), Software Debugging, Python (Programming Language), Node.Js, Time Tracking Software, ReactJS, Software Coding, Restful APIs, Webhooks, Golang
- **Published:** September 28, 2026
- **Apply:** https://www.buscojobs.com.es/senior-implementation-engineer-en-madrid-ID-372371507

## About the Role

Provide technical support to merchants during implementation of Checkout.com payment processing technology Answer merchants' integration-related questions, including configuration, debugging, documentation, testing, go-live support and post-live support Manage integration-related incidents through investigation, troubleshooting, escalation, resolution, reporting, time tracking and analysis Collaborate with Merchant Configuration, Sales, Account Managers and Merchant Care teams to resolve issues during customer trials, integrations and post-implementation support Interact with Product teams to identify improvement ideas Advise the Manager on issues affecting customer satisfaction and recommend appropriate actions Manage multiple customer projects and integrations simultaneously Maintain and update libraries and plugins used in integrations Requirements
Technical support experience in a Tech/FinTech company Payments experience would be advantageous Understanding of API, REST, webhooks and logs is required Strong coding skills in at least one of: Java, JavaScript, PHP, Python, Go, C# Experience with Node.js and React is a plus Knowledge of iOS/Android is a plus Excellent communication skills and ability to build and maintain strong relationships Ability to work in a customer-focused and target-driven environment Fluency in Spanish and English Legally authorised to work as an employee in the country of application Core Competencies
Demonstrates strong technical support capabilities in payment processing technology, with expertise in API, REST, and coding in languages such as Java, JavaScript, PHP, Python, Go, and C#.
Proficient in managing customer integrations and projects while ensuring high levels of customer satisfaction.
#J-*****-Ljbffr

## Description

Provide technical support to merchants during implementation of Checkout.com payment processing technology Answer merchants' integration-related questions, including configuration, debugging, documentation, testing, go-live support and post-live support Manage integration-related incidents through investigation, troubleshooting, escalation, resolution, reporting, time tracking and analysis Collaborate with Merchant Configuration, Sales, Account Managers and Merchant Care teams to resolve issues during customer trials, integrations and post-implementation support Interact with Product teams to identify improvement ideas Advise the Manager on issues affecting customer satisfaction and recommend appropriate actions Manage multiple customer projects and integrations simultaneously Maintain and update libraries and plugins used in integrations RequirementsTechnical support experience in a Tech/FinTech company Payments experience would be advantageous Understanding of API, REST, webhooks and logs is required Strong coding skills in at least one of: Java, JavaScript, PHP, Python, Go, C# Experience with Node.js and React is a plus Knowledge of iOS/Android is a plus Excellent communication skills and ability to build and maintain strong relationships Ability to work in a customer-focused and target-driven environment Fluency in Spanish and English Legally authorised to work as an employee in the country of application Core CompetenciesDemonstrates strong technical support capabilities in payment processing technology, with expertise in API, REST, and coding in languages such as Java, JavaScript, PHP, Python, Go, and C#.Proficient in managing customer integrations and projects while ensuring high levels of customer satisfaction.#J-*****-Ljbffr


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