Middle Data Engineer

This is a fully remote position, open to applicants in Ukraine.

📋 Description

• Take ownership of the analytical data infrastructure for JustDone, ensuring its stable operation while identifying opportunities for optimization and development.

• Support and enhance event pipelines from RabbitMQ to DWH and Amplitude / Reteno.

• Connect new data sources and maintain existing ones, developing ETL / ELT pipelines.

• Manage BigQuery and Airflow, overseeing access controls and service accounts, and maintaining order in data streams and schemas.

• Develop the Bronze → Silver → Gold architecture.

• Work with partitioning, clustering, and materialized views, optimizing schemas and queries.

• Set up checks for data relevance and completeness, monitor SLAs, and manage anomaly alerts.

• Investigate incidents and identify their root causes.

• Enhance data loading and updating pipelines in Milvus, working with indexes and data lifecycle for NLP systems.

• Engage in related NLP tasks and collaborate closely with the Data Engineering team.

⛳️ Requirements

• Over 2 years of commercial experience in a Data Engineer role.

• Proficient in Python for developing ETL/ELT processes, consumers, and integrations while writing maintainable production code.

• Strong SQL skills: complex queries, window functions, optimization, and working with large datasets.

• Experience with DWH and Data Modeling: data structuring, incremental loads, and building and maintaining production pipelines.

• Familiarity with cloud data platforms — GCP or similar solutions.

• Understanding of orchestration and event-driven pipelines: Airflow, Prefect, Dagster, Kafka, RabbitMQ, Pub/Sub, or equivalents.

• Knowledge of Data Quality and Observability: monitoring, data quality control, alerts, and troubleshooting.

• Experience with Vector DB (Milvus, Pinecone, Weaviate, Qdrant) is a plus.

• Ownership and independence.

• Strong communication and teamwork skills.

• Product-oriented mindset.

🏝️ Benefits

• Scheduled performance reviews and development of Personal Development Plans (PDP).

• Support in building a personal brand on social media through Boosters and expert media outlets.

• Access to professional communities offering free courses and networking opportunities.

• Budget for courses, conferences, and English language studies.

• Company-provided equipment and payment for all necessary work services.

• Option to choose between working in the office (Kyiv or Lviv) and a remote-first format (available within Ukraine and abroad).

• Flexible start time for the workday (between 8 AM and 11 AM Kyiv time).

• 20 paid days off per year, public holidays off, and unlimited sick leave.

• Medical insurance.

• Compensation for therapy sessions.

• Individual benefit for sports activities.

• Breakfasts and lunches provided (on-site in the offices).

• Sports activities: running community, volleyball, yoga (offline); stretching and yoga (online).