Senior Fullstack Developer (Backend + Mobile)

New

ClurgoBanking IT

Warszawa, ., Warszawa, Country code: PLContractSenior

Salary5,880 - 8,400 USD per hour

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Job Details

Experience combining mobile development (iOS/Android) with backend expertise.
Proficiency in Kotlin and Kotlin Multiplatform (KMP).
Strong command of Java 7+ and Spring Boot.
Experience with REST APIs and microservice architecture.
Understanding of cloud environments (AWS preferred).
Familiarity with CI/CD practices and automated testing.
Experience using AI development tools such as GitHub Copilot, Cursor, Claude Code, or Gemini Code Assist.
Ability to work independently, make technical decisions, and solve complex problems.
Fluency in English (minimum B2 level).
Nice to have: Experience with Flutter or React Native.
Nice to have: Knowledge of Kafka or event-driven technologies.
Nice to have: Experience with Apple Pay or Google Pay integrations.
Nice to have: Experience in mobile app development for banking or financial sectors.

Develop and maintain mobile solutions for iOS and Android platforms.
Create shared components and logic using Kotlin Multiplatform.
Develop backend services using Java and Spring Boot.
Design and develop REST APIs and microservice architecture.
Build scalable and high-availability solutions in cloud environments.
Integrate mobile applications with backend services and external systems.
Implement mobile payment integrations including Apple Pay and Google Pay.
Ensure code quality through unit, integration, and end-to-end testing and code reviews.
Participate in CI/CD processes, build automation, testing, and deployment.

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