InterviewStack.io LogoInterviewStack.io
Browse more Data Engineer jobs

Senior Data Engineer

Sigma Software

Warsaw, Masovian Voivodeship, PolandRemote1 week ago
68 views29 saves13 applies

Prepare for this role


Job Type

full time

Description

  • 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

Qualifications

  • 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

Additional Information

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

About the Company

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 – turning architectural concepts into production-grade solutions.

This job is found at InterviewStack.io

Skills

sparkpysparkci/cddata pipelinesobservabilitymicroservicespythonsqlapachedatabrickssnowflakeazureawsgcpkafkaetlvaultdata warehousingairflowinfrastructure as codeterraformscalabilityragllmdbtmlflowmachine learningdata sciencedata governancedata qualitydata transformation

About Sigma Software

Sigma Software is an IT services company founded by developers that focuses on delivering premier value IT services to help customers achieve their business goals. The company emphasizes professional growth, mentorship, and offers flexible schedules with remote work opportunities worldwide. They serve well-known clients across multiple business domains and provide technology solutions to enterprises and startups.

large companytechnology, saasWebsite