Senior Kotlin Backend Developer; BioKB Project Paphos, Cyprus; Prague, Czech

Senior Kotlin Backend Developer (BioKB Project)

Jet Brains is seeking a highly skilled Senior Kotlin Developer to join our team and work on the Biological Knowledge Base (BioKB) project. This innovative project leverages domain‑specific languages (DSLs) for both storing and querying complex biological data. Your primary responsibility will be to enhance and maintain our robust query engine, which is instrumental in executing user‑defined queries across the entire knowledge base.

Given the extensive nature of the data, efficiency in query execution is paramount. All queries are formulated using our custom DSLs.

• Support and continuously improve the query engine responsible for DSL execution.
• Adapt the query engine to evolving project requirements and data models.
• Contribute to the design and evolution of the query DSL.
• Participate in the design of the knowledge base DSL.
• Fulfill general backend development duties, contributing to the overall architecture and stability of the system.

• Proficiency in Kotlin.
• Experience with Spring Framework.
• Demonstrated experience in microservices architecture.
• Hands‑on experience with SQL, No
  
  SQL, and graph databases.
• Familiarity with AWS cloud services.
• Proficiency with Docker and Kubernetes.
• Strong software design and architecture skills.

• Experience with domain‑specific language (DSL) development and usage.
• Experience with projectional editor development and usage.
• Knowledge of graph algorithms.
• An understanding of parsing, lexical analysis, and compiler/interpreter design principles.
• Familiarity with biological concepts or bioinformatics.