Middle Backend Developer (Java/Kotlin)

We are looking for a Middle Backend Developer (Java/Kotlin) . What We Offer: the opportunity to influence technical and architectural decisions; involvement in the full development lifecycle, from design to deployment; hands-on experience with Big Data technologies and distributed systems; technical mentorship and opportunities for professional growth. About the Project We develop a Big Data platform and tools focused on: • Data Ingestion — collecting and delivering data from business systems to an analytical data warehouse.. • Data Maintenance — maintaining and optimizing data storage.. • Analytics Integration — integrating various analytics services and tools into the data platform. Our Tech Stack • Backend: Java, Python, Rust, Spring Boot. • Data Streaming & CDC: Apache Kafka, Kafka Connect, Debezium. • Data Processing & Storage: Apache Spark, Apache Iceberg, Trino, Ozone S3. • Database: PostgreSQL. • Infrastructure: Kubernetes. Responsibilities • Develop and maintain the system that collects data from business services and delivers it to the analytical data warehouse (Ozone). • Develop the metadata and statistics service for warehouse tables, including the interface and table optimization. • Integrate existing tools into a unified data platform for analysts and data engineers, with end-to-end access based on permissions. • Support the team’s tools and partially contribute to other projects the team relies on. • Take part in all stages of development, from design to deployment, with the ability to influence the tool. • Work with complex multi-step integrations and high load. Requirements Technical Requirements Must-have Java and/or Kotlin Spring Boot Apache Kafka Relational databases (PostgreSQL) Nice-to-have Rust and/or Python Apache Spark S3-compatible object storage Experience with distributed systems and Big Data technologies What We Expect A proactive mindset and willingness to take ownership of tasks. Interest in contributing to technical discussions, design decisions, and architecture. Willingness to learn new technologies, receive feedback, and grow with guidance from the Tech Lead. Benefits Flexible schedules and the opportunity to work remotely. Ambitious and supportive team who love what they do, appreciate each other, and grow together. Internal programs for adaptation and training, development of soft skills, and leadership abilities. Partial compensation for participating in external training and conferences. Corporate English school: Group and individual lessons, speaking clubs with colleagues from all over the world. Corporate prices on hotels and travel services. MyTime Day Off - an extra non-working day without loss of compensation. Learn more about our data protection practices in our Privacy Policy: emergingtravel.com/career/hr-policy