
Senior Kotlin Developer
Sii
Poznań, Pl-30, Poland • 25m ago • On-site
Senior
On-site
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Quick Facts
Role: Senior Kotlin Developer
Description
You will work on a modern, complex software platform, developing scalable backend solutions and microservices using Kotlin. The role includes implementing new functionality and integrating the platform with external systems, while improving performance, reliability, and overall solution quality.
Responsibilities
Design, develop, and enhance scalable backend services using Kotlin
Work closely with product, engineering, and other teams to deliver effective technical solutions
Monitor application performance and identify opportunities to improve scalability, stability, and efficiency
Contribute to code reviews and technical discussions
Support continuous improvements in development practices and overall code quality
Share technical knowledge and support other team members’ professional growth
Requirements
At least 3 years of professional experience in software development, particularly with Java and Kotlin
Solid experience in designing and developing microservice-based applications
Hands-on knowledge of Kubernetes and containerized application environments
Practical experience working with AWS and Apache Kafka
Good understanding of application performance, scalability, and reliability principles
Ability to collaborate effectively with developers and other cross-functional team members
Advanced English skills
Nice-to-have
Experience with React.js and TypeScript
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