Senior Software Developer developing Kotlin-based Intercom system and microservices for live production tools. Collaborating in an agile environment at RIEDEL Communications in Wuppertal, Germany.
Responsibilities
Development of a software-based intercom system using a modern Kotlin stack
Development and maintenance of complex microservices built with Kotlin
Designing and optimizing PostgreSQL databases for reliability and scalability
Collaboration in an agile development environment with frontend and other teams
Active participation in architectural decisions and implementation of principles such as Domain-Driven Design and Functional Programming
Proactive cooperation with cross-functional teams to scale systems and optimize performance
Development of audio mixing and transcoding components for real-time communication
Writing unit tests and close collaboration with the Automated Testing team to ensure software quality
Requirements
Several years of experience developing with Kotlin, particularly building and operating backend services
Proficient with SQL and relational database schemas
Experience with distributed systems and functional programming principles
Familiarity with containerized architectures
Basic knowledge of Rust or C++
Experience with media technologies such as WebRTC, AES67, or Opus
Fluent English for communication in an international team – German is a plus.
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