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Responsibilities

- Serve as the technical point of contact between our internal teams and payment providers.
- Analyze payment provider APIs and translate requirements for seamless integration.
- Support the integration process, troubleshooting technical challenges along the way.
- Optimize API documentation and create clear guidelines for internal teams.
- Work closely with developers and product teams to ensure smooth implementation.
- Run transactional tests with tools like Postman to verify system connections.
- Stay updated on payment trends, new technologies, and regulatory changes.

Your mission
- Serve as the technical point of contact between our internal teams and payment providers.
- Analyze payment provider APIs and translate requirements for seamless integration.
- Support the integration process, troubleshooting technical challenges along the way.
- Optimize API documentation and create clear guidelines for internal teams.
- Work closely with developers and product teams to ensure smooth implementation.
- Run transactional tests with tools like Postman to verify system connections.
- Stay updated on payment trends, new technologies, and regulatory changes.

Your profile
- Degree in Informatics, Computer Science, Software Engineering, or a related field.
- Fluent in English & Spanish (Portuguese is a plus).
- 1+ years of experience with API integrations or a similar technical role.
- Strong understanding of RESTful APIs, HTTP methods, authentication protocols (OAuth, API Keys, JWT), and JSON structures.
- Experience with Postman (or similar API testing tools) to validate requests, responses, and error handling.
- Ability to read, interpret, and recreate API documentation in an organized, developer-friendly manner.




- Familiarity with Jira and Confluence or similar project management tools.
- Analytical thinker with a structured problem-solving approach.
- Strong communicator who can collaborate with both technical and non-technical teams.
- Ability to manage multiple projects in a fast-paced environment.

Why us?
- Work directly with experienced C-level executives and be part of a fast-growing fintech company at the forefront of LATAM payment innovation.
- Accelerate your career in fintech with opportunities to grow professionally.
- Enjoy a 37.5-hour workweek, including one short day, and working hours from 11 AM to 8 PM that support productivity without compromising your personal life.
- Additional perks, including monthly corporate lunches at top restaurants, birthday and holiday gifts, and complimentary hot drinks, fresh fruit, and healthy snacks.
- Benefit from Cobee, giving you access to versátil perks and savings on meals, transport, and more.
- Work onsite in our vibrant Poblenou office — Barcelona’s innovation hub

If you're passionate about technology and eager to make an impact in the world of payment solutions, we would love to hear from you!

About Us

LaFinteca is a leading payment service focused on Latin America, seamlessly integrating popular payment methods across the continent. Specializing in Alternative Payment Methods (APMs), we are delivering a new type of payment system that finds opportunities for clients and helps them grow and succeed.

We help companies to select, integrate, process, and support payment solutions and methods. Reliable payment solutions are the core of our journey. xqbhyrx

Seniority level

- Entry level

Employment type
- Full-time

Job function
- Marketing and Product Management

Industries
- Software Development

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📌 Junior Product Specialist (Barcelona)
🏢 Empresa Confidencial
📍 Barcelona