Fullstack Mobile Developer – Kotlin Multiplatform Fintech | Remote

We are looking for a talented and passionate Fullstack Mobile Developer to join the 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.

The platform 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, this is 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 complex mobile systems at scale, integrating advanced technologies;
• Develop advanced fintech products with end-to-end ownership and operational responsibility;
• Lead and deliver fullstack solutions from concept to production;
• Collaborate closely with cross-functional teams to continuously improve the product;
• Design and implement scalable and robust software architectures;
• Ensure high code quality, performance and system reliability.

Ideal candidate profile:

• 5+ years of software development experience;
• Strong fullstack experience with a significant focus on mobile development;
• Hands-on experience with Kotlin Multiplatform, KMP;
• Deep understanding of client-side architecture and Clean Architecture;
• Experience with Spring Framework and Spring Boot;
• Strong understanding of distributed systems and microservices architecture;
• Experience working with Kafka, REST APIs and event-driven architectures;
• Experience with Docker, Kubernetes and CI/CD processes.

Nice to have:

• Familiarity with AWS, valued;
• Strong communication and teamwork skills;
• Ability to thrive in a fast-paced and dynamic environment;
• Proactive, can-do attitude;
• Strong problem-solving and system-thinking abilities.