Senior Data Engineer

๐Ÿข Sigma Software ยท all Sigma Software jobs
๐Ÿ“ Poland
๐Ÿ“… Posted 2026-08-22 ยท via Himalayas
๐Ÿท Data-Engineering,Data-Platform-Engineering,Cloud-Data-Engineering,Big-Data-Engineering,Senior-Data-Engineering,Senior-Data-Engineer-Positions,Data-Engineer
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- Design and build scalable, cloud-native data platforms from greenfield to production

- Implement near-real-time ingestion pipelines using event-driven patterns

- Define and enforce platform standards, including Data Lake / Lakehouse principles, medallion architecture, and data contracts

- Refactor and optimise existing Spark and PySpark scripts for performance and maintainability

- Introduce best practices for code quality, testing, and CI/CD across data pipelines

- Drive adoption of AI tooling and agentic workflows within the data engineering team

- Ensure data quality, observability, and reliability across all pipelines and platforms

- Develop self-service tooling and microservices to simplify platform usage for other teams

- 5+ years of professional experience in Data Engineering

- Strong Python and SQL development skills for pipeline development and optimisation

- Proficiency in Apache Spark / PySpark, including query optimisation and performance tuning

- Hands-on experience with Databricks (preferred) or Snowflake

- Experience with at least one major cloud provider: Azure (preferred), AWS, or GCP

- Experience with stream processing technologies (Kafka, Spark Structured Streaming)

- Solid understanding of ETL/ELT patterns, data modelling (dimensional, Data Vault), and data warehousing

- Experience with orchestration tools (Apache Airflow, Azure Data Factory, or equivalent)

- Knowledge of Infrastructure as Code (Terraform or equivalent)

- Understanding of production-grade system requirements: reliability, scalability, observability, and performance

- Upper-Intermediate English level

WILL BE A PLUS

- Familiarity with RAG pipeline design and LLM integration patterns

- Knowledge of data governance frameworks and tools (Unity Catalog, Apache Atlas, or similar)

- Experience with dbt for data transformation and modelling

- Familiarity with MLflow, Feature Stores, or ML platform integration

PERSONAL PROFILE

- Self-driven and proactive in identifying improvements

- Comfortable working in a fast-paced, innovative environment

- Strong problem-solving mindset with attention to detail

- Open to experimenting with emerging technologies and approaches

Are you passionate about building cutting-edge, AI-ready data platforms from the ground up? We are looking for a Senior Data Engineer to join our Data Engineering Team and lead high-impact, greenfield initiatives.

You will work on building modern cloud-native data platforms, migrating on-premises legacy systems to the cloud, and laying the architectural foundation for AI-ready data infrastructure.

In this role, you will collaborate closely with Machine Learning, Data Science, and Product teams, serving as a key technical contributor and thought leader. You will also drive R&D efforts around agentic AI architectures, event-driven systems, and LLM-ready data pipelines โ€“ turning architectural concepts into production-grade solutions.

Originally posted on Himalayas

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