Junior Big Data Engineer

Quick Facts

• Hybrid work model (4/1) with flexible start time between 7:00 a.m. and 10:00 a.m.
• Up to 30 days of occasional remote work
• Salary range: 11,200–15,250 PLN (contract of employment, tax-deductible cost)
• Annual bonus based on performance and company results

Description

You’ll join experienced engineers to learn how to build and operate production data-platform services and pipelines. The work focuses on event ingestion into BigQuery, schema contracts and evolution, data-quality and freshness SLAs, data governance and GDPR-related data lifecycle processes, and metadata capabilities. This role is designed to help you grow into software engineering for enterprise-scale data platforms.

Responsibilities

• Develop, test, and maintain parts of production data pipelines, services, and internal tooling
• Learn and work with BigQuery, Cloud Composer (Airflow), GCS, and other Google Cloud Platform services
• Help implement ingestion, validation, data-quality checks, monitoring, alerts, and operational automation
• Work with 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 how data products are used

Requirements

• Commercial experience in Python, Java, or Kotlin
• Basic ability to write clean, tested code and eagerness to learn modern software engineering practices
• Solid SQL fundamentals
• Basic understanding of data modeling, relational databases, APIs, and common data formats (JSON, CSV, Avro, Parquet)
• Interest in cloud platforms, distributed systems, and data processing at scale
• Ability to diagnose problems systematically, ask good questions, and learn actively from feedback
• English at B2 level or higher

Benefits

• Flexible hybrid schedule and occasional remote work
• Well-located offices and excellent work tools (e.g., raised desks, ergonomic chairs, modern conference rooms)
• Choice of MacBook Pro (16') or Dell with Windows (as needed) plus accessories
• Cafeteria-style fringe benefits (e.g., medical, sports, lunch packages, insurance, vouchers)
• English classes related to the nature of your job
• Training budget, hackathons, inter-team tourism, and an internal learning platform
• Additional day off for volunteering
• Social events and community activities