Job title: Mobile Developer

Location: Lisboa/Portugal

Work mode: Remote

Type of cooperation: B2B contract

About the company/project:

We are looking for a talented and passionate Fullstack Mobile Developer to join our team and work on cutting-edge products in a dynamic and innovative environment.

This is a large-scale fintech product operating as a mobile wallet platform, used daily by millions of users for real-time payments.

It enables instant peer-to-peer transfers, online payments, and seamless integrations with merchants, acting as a core payment layer within a highly digitalized market (similar in concept to solutions like PayPal or Venmo).

From a technical perspective, it’s a high-traffic, real-world system focused on performance, scalability, and availability - combining modern backend architectures, APIs, and mobile-first design.

Responsibilities:

• Design, build, and maintain ...