Junior Big Data Engineer (Java

Responsibilities

• Develop, test, and maintain production data pipelines, services, and internal tooling with team support.
• Work with BigQuery, Cloud Composer (Airflow), Google Cloud Storage, Dataflow, and other Google Cloud services.
• Implement data ingestion, validation, data-quality checks, monitoring, alerts, and operational automation.
• Process structured, semi-structured, and event data using Avro, Protobuf, Parquet, JSON, and CSV.
• Participate in code reviews, technical discussions, incident follow-ups, and documentation.
• Collaborate with engineers, analysts, and product stakeholders to understand data-product usage.

Requirements

• Commercial experience with Python, Java, or Kotlin.
• Basic ability to write clean, tested code and willingness to learn modern software engineering practices.
• Solid SQL fundamentals and basic understanding of data modeling, relational databases, APIs, and common data formats.
• Interest in cloud platforms, distributed systems, and large-scale data processing.
• Systematic problem-solving skills, willingness to ask questions, and active learning from feedback.
• English proficiency at B2 level or higher.
• Projects involving data pipelines, backend services, cloud platforms, or SQL data warehouses are welcomed.
• Familiarity with Docker, Git, CI/CD, Linux, cloud infrastructure, DBT, Airflow, Apache Beam, Spark, Kafka, or streaming systems is advantageous.

Benefits

• Hybrid 4/1 work model with flexible start times between 7:00 a.m. and 10:00 a.m., plus 30 days of occasional remote work.
• Annual performance and company-results bonus.
• Well-located offices with equipped kitchens, bicycle parking, terraces, ergonomic equipment, and interactive conference rooms.
• Choice of a 16-inch or 14-inch MacBook Pro or equivalent Dell Windows laptop with accessories.
• Cafeteria-plan benefits including medical, sports, lunch, insurance, and voucher packages.
• Company-funded English classes related to the role.
• Training budget, inter-team tourism, hackathons, and an internal learning platform.
• Additional volunteering day off and company social events.