Senior Data Engineer

Sigma Software

Warsaw, Masovian Voivodeship, Poland, Remote Remote Full-time 5 days ago
Workplace
Remote
Location
Warsaw, Masovian Voivodeship, Poland
Who can apply
Remote for people based in Poland

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About the role

Job Description

* 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

Qualifications

* 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

WILL BE A PLUS

* 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

Additional Information

PERSONAL PROFILE

* 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

About remote Data Engineer jobs

Open jobs
815 open remote Data Engineer jobs, 196 of them posted in the last 7 days. See all Remote Data Engineer jobs
Typical advertised pay
$127,000 – $189,000 a year for the middle half of the 208 job ads from 143 employers that state a salary in US dollars (median $153,000). This is base pay as advertised, not total compensation. Remote Data Engineer salary
Skills the job ads ask for most
  • SQL 80%
  • Python 79%
  • ETL 75%
  • Data modeling 51%
  • Data quality 50%
  • AWS 47%

Share of the 468 newest postings for the role that name each skill. Resume keywords for Data Engineer jobs

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