Vacancy details
This is a private vacancy. Company details stay confidential until InVault confirms a serious candidate fit.
- Status
- Active
- Date posted
- 2026-11-15
- Open until
- 2027-02-13
- Employment type
- Full-time
- Source-listed languages
- Spanish; English
- Language requirement
- Required
- Work arrangement
- Hybrid
- Physical workplaces
- Barcelona, Spain
- Applicant eligibility
- Applicant geography not specified
Overview
Work with merchant developers to connect payment applications through REST APIs, webhooks and software plugins. Coordinate integration configuration, testing and post-launch troubleshooting with technical and customer teams.
Requirements
- Experience providing technical support for implementations in a technology or fintech environment.
- Required understanding of REST APIs, webhooks, integration logs and implementation troubleshooting.
- Strong programming skills in at least one of Java, JavaScript, PHP, Python, Go or C#.
- Fluent Spanish and English communication.
- Ability to manage concurrent customer integrations and communicate with merchant engineers and internal stakeholders.
- Customer-facing, target-driven problem-solving and incident management skills.
- Prior payments-sector work, Node.js, React and iOS or Android knowledge are advantages, not required.
Responsibilities
- Provide technical support to merchants throughout payment API integration and configuration.
- Troubleshoot integration issues through logs, webhooks, documentation, testing, go-live and post-launch stages.
- Investigate, escalate and resolve integration incidents with clear reporting and follow-up.
- Coordinate merchant integrations with configuration, account management, sales and customer-care teams.
- Maintain and improve integration libraries, software plugins and technical guidance.
- Manage several customer integrations simultaneously and relay product feedback and service improvements.
Conditions
- Full-time hybrid position in Barcelona, Spain, with three office days weekly.