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.

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