Sigma Software

Senior Data Engineer

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SeniorZdalnie·WarszawaFull-time

#467485·Dodano 8 dni temu·1

Źródło: Sigma Software

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Tech Stack / Keywords

Databricks AWS Python PySpark SQL SparkDelta LakeTerraform MLflow Docker

Podsumowanie oferty

As a Senior Data Engineer, you will design and scale cloud-native data platforms for a commercial laser fusion power plant initiative. You will build near-real-time pipelines and modernize data infrastructure using Databricks and AWS.

Wymagania

5+ years of experience in data engineering.
3+ years of production experience with Databricks and Delta Lake.
Strong expertise in medallion architecture and event-driven asynchronous pipeline design.
Advanced proficiency in Python, PySpark, and SQL.
Deep hands-on experience with Databricks, including Unity Catalog, Lakeflow Jobs/Workflows, and job optimization.
Strong AWS expertise, including S3, IAM, KMS, and services such as AWS Batch, ECR, EventBridge, Lambda, or API Gateway.
Experience with infrastructure as code and CI/CD using Terraform and Databricks Asset Bundles.
Practical experience with Git workflows, pull request reviews, and automated testing.
Experience configuring secure CI pipelines using OIDC or service principals.
Practical MLflow experience, including experiment tracking, model registration, and reproducibility practices.
Strong understanding of data quality, lineage, provenance, schema contracts, and versioning.
Experience with data quality frameworks such as Great Expectations, Soda, pyDeequ, or Databricks Labs DQX.
Experience with monitoring, observability, and cloud cost optimization.
Upper-Intermediate English level or higher.
Strong analytical mindset; ownership and accountability; ability to communicate complex technical concepts clearly; proactive approach to problem-solving; attention to scalability and maintainability; collaborative and team-oriented attitude.

Nice to have:

Experience packaging workloads in Docker containers and running batch jobs on AWS.
Familiarity with experiment optimization tools such as scikit-optimize, BoTorch, Ax, and scipy.
Experience building feature sets and train/test splits that avoid data leakage.
Experience with regulated or high-security environments, including data residency requirements.
Experience disabling or restricting AI features in secured environments.

Obowiązki

Design and build scalable cloud-native data platforms from greenfield to production.
Design and implement near-real-time ingestion pipelines using event-driven patterns.
Define and enforce data platform standards, including Data Lake/Lakehouse principles, medallion architecture, and data contracts.
Refactor, optimize, and modernize 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 pipelines and platforms.
Design and deliver self-service tooling and microservices that abstract platform complexity.
Collaborate directly with the Customer’s scientific and engineering teams.
Monitor platform performance, reliability, and cloud infrastructure costs.

Sigma Software

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