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Wissen Logo Wissen · IT - Software Development

Java Kotlin Developer

India, Mumbai · Job Posted January 04, 2026
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Job Description

We are looking for a skilled Java Kotlin Developer to design, develop, and maintain scalable applications. The ideal candidate should have strong expertise in Java and Kotlin, with experience in building microservices-based back-end systems You will collaborate with cross-functional teams to deliver high-quality, performant, and secure solutions.

Job Responsibility

  • Design, develop, and maintain applications using Java and Kotlin
  • Build scalable, secure, and high-performing solutions (backend services and/or Android apps)
  • Develop RESTful APIs and integrate with third-party services
  • Write clean, maintainable, and testable code
  • Collaborate with product managers, architects, QA, and DevOps teams
  • Troubleshoot, debug, and optimize existing code and applications
  • Follow Agile/Scrum best practices for iterative development
  • Ensure code quality through unit testing, code reviews, and CI/CD practices

Requirements

  • Strong programming experience in Java and Kotlin
  • Solid understanding of OOP, data structures, and algorithms
  • Experience in one of the following domains: Backend: Spring Boot, Microservices, REST APIs, SQL/NoSQL databases, JPA/Hibernate
  • Android: Android SDK, Jetpack components, MVVM/MVP, Retrofit, Coroutines
  • Hands-on experience with version control (Git)
  • Knowledge of CI/CD pipelines, Docker, or Kubernetes is a plus
  • Strong debugging and problem-solving skills

Nice to have

  • Experience with cloud platforms (AWS, GCP, Azure)
  • Familiarity with Kotlin Multiplatform (for cross-platform projects)
  • Exposure to GraphQL, Kafka, or other messaging frameworks
  • Bachelor's or Master’s degree in Computer Science, Engineering, or related field
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