Senior Data Engineer — Kafka & Snowflake, Flexible Schedule

Grid Dynamics; Kraków; On-site; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Bleeding-edge projects

Motivated and dedicated team

Competitive salary

Flexible schedule

Medical insurance

Sports

Professional development opportunities

Well-equipped office

Job summary

Grid Dynamics is forming a brand-new regulatory reporting team in Kraków and seeks a Senior Data Engineer. You will architect and implement streaming pipelines on Kafka and Snowflake-based reporting models, ensuring data accuracy for regulatory reports and auditable reconciliation from day one.

You’ll shape processes, promote best practices, and collaborate with engineers and client teams to define the evolving architecture of the function.

Qualifications

• Commercial experience building production streaming pipelines and data pipelines.
• Kafka architecture knowledge: topics, partitions, offsets, replication, delivery guarantees.
• Advanced SQL in Snowflake: window functions, CTEs, large-volume joins.
• Experience with Snowflake Streams & Tasks, Snowpipe, Time Travel.
• Data modelling for reporting (facts, dimensions, SCD) and data quality/deduplication.

Responsibilities

• Design and build Kafka-based streaming data flows with Kafka Streams and/or Kafka Connect, ensuring delivery guarantees from at-least-once to exactly-once with idempotent producers.
• Implement error handling with retries, dead-letter queues and reprocessing while preserving message ordering.
• Model and implement reporting data in Snowflake using Streams & Tasks, Snowpipe and Time Travel.
• Implement reconciliation, validation and deduplication to ensure auditable reported figures.
• Monitor and tune consumer lag and throughput; optimize Snowflake queries with clustering, pruning and warehouse sizing.
• Help define processes and architecture for a new regulatory reporting team.

Skills

Streaming pipelines

Kafka expertise

SQL proficiency

Data modeling

English communication

Ownership

Tools

Kafka

Kafka Streams

Kafka Connect

Schema Registry

Avro

Protobuf

Snowflake

Snowpipe

Time Travel

Kubernetes

CI/CD

Git

Job description

Grid Dynamics is forming a brand-new regulatory reporting team in Kraków and seeks a Senior Data Engineer. You will architect and implement streaming pipelines on Kafka and Snowflake-based reporting models, ensuring data accuracy for regulatory reports and auditable reconciliation from day one.

You’ll shape processes, promote best practices, and collaborate with engineers and client teams to define the evolving architecture of the function.