API Developer

Senior API Developer | FinTech | Porto OR Braga(Hybrid) | €75k + bonus

About the Company:

Our client is a global Fintech platform enabling millions of users to trade digital assets across multiple blockchain networks. They’re building scalable, regulated infrastructure to make Web3 finance accessible to businesses and individuals worldwide.

The Role:

As a Senior API Developer, you’ll help launch a new enterprise-facing product line, owning the design and delivery of high-scale APIs. You’ll make key architectural decisions and build mission-critical systems used by millions.

What You’ll Do:

• Design and build scalable REST and/or GraphQL APIs

• Make core architectural and technical decisions

• Develop high-performance, production-grade services

• Collaborate closely with Product and Engineering teams

• Own APIs end-to-end...