Senior Software Developer- Java, Ruby, Kotlin, Kafka and Mobile

Biz Hr It Solutions is seeking an experienced Senior Software Developer with strong hands-on expertise in Java, Ruby, Kotlin, Kafka, and mobile application development. The ideal candidate will build scalable backend services, mobile applications, and distributed systems to deliver reliable, high-performance software solutions.

• Design, develop, test, and maintain scalable backend services using Java and Ruby
• Develop and maintain mobile applications using Android technologies, including Kotlin, and/or other relevant mobile frameworks
• Implement and maintain REST APIs and integrations between mobile applications and backend systems
• Work with Apache Kafka for event-driven communication, messaging, and distributed application workflows
• Contribute to application architecture, system design, code reviews, and engineering best practices
• Troubleshoot production issues, identify root causes, and optimize application performance
• Collaborate with cross-functional teams, including product, QA, and DevOps
• Participate in the complete software development lifecycle, including development, testing, deployment, and maintenance
• Support application scalability, reliability, security, and performance improvements

• 8-12 years of relevant software development experience
• Strong hands-on experience with Java
• Professional experience with Ruby or Ruby on Rails
• Hands-on experience with Kotlin and/or relevant mobile development technologies
• Professional mobile application development experience
• Experience with Apache Kafka and event-driven or messaging-based systems
• Experience developing REST APIs and backend services
• Good understanding of databases, distributed systems, and software architecture
• Strong debugging, problem-solving, and production troubleshooting skills