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Data Engineer

Sigma Software · Remote, Warsaw, Masovian Voivodeship, pl

Spotted 22h agoMid-Senior LevelFull-time

Job details

Work mode
Remote
Employment
Full-time
Level
Mid level
Experience
3+ years
Posted
Oct 28, 2026
Last confirmed open
Oct 29, 2026
Job description

About this role

  • Design, develop, and maintain scalable and reliable data platforms and pipelines for analytics and operational use cases
  • Build distributed data processing workflows using Apache Spark, pySpark, and Databricks
  • Develop and evolve cloud-native data solutions leveraging Azure and AWS services
  • Model and optimize data structures for analytics, reporting, and downstream consumption
  • Integrate data from multiple heterogeneous sources while ensuring data quality, consistency, and traceability
  • Implement data quality controls, schema validation, lineage tracking, and monitoring processes
  • Optimize performance, scalability, reliability, and cost-efficiency of data pipelines and infrastructure
  • Collaborate closely with scientists, analysts, and engineering teams to translate business and research requirements into technical solutions
  • Contribute to CI/CD processes, infrastructure automation, and engineering best practices
  • Research and introduce new technologies and approaches within the data engineering ecosystem
  • 3+ years of commercial experience in Data Engineering
  • 2+ years of hands-on production experience with Databricks
  • Strong expertise with Delta Lake, including medallion architecture and table optimization
  • Advanced proficiency in Python, pySpark, and SQL
  • Deep practical knowledge of Databricks components including Unity Catalog, Lakeflow Jobs / Workflows, and job optimization
  • Hands-on experience with AWS services including S3, IAM, KMS, and at least one of AWS Batch, ECR, EventBridge, Lambda, or API Gateway
  • Experience designing event-driven and asynchronous data pipelines
  • Strong knowledge of Infrastructure as Code and CI/CD practices
  • Practical experience with Terraform and Databricks Asset Bundles
  • Experience working with Git workflows, pull request reviews, and automated testing
  • Understanding of secure authentication approaches such as OIDC and service principals
  • Practical experience with MLflow, experiment tracking, model registry, and reproducibility practices
  • Strong understanding of data quality, lineage, schema contracts, and provenance concepts
  • Experience with data quality frameworks such as Great Expectations, Soda, pyDeequ, or Databricks DQX
  • Experience monitoring and optimizing data platform reliability and cloud costs
  • Upper-Intermediate or higher English level

WILL BE A PLUS:

  • Experience packaging workloads using Docker and running batch workloads in AWS
  • Familiarity with ECR and containerized data processing solutions
  • Experience with experiment optimization libraries such as scikit-optimize, BoTorch, Ax, or scipy
  • Understanding of ML feature engineering and leakage prevention techniques
  • Experience working in regulated or high-security environments
  • Knowledge of data governance, compliance, and data residency requirements
  • Experience disabling or restricting AI-assisted tooling/features in secure environments
Interested in this role?Continue on Sigma Software's careers page.
Apply on Sigma Software