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Sigma Software· Spotted 4d ago

Senior Data Engineer (Cybersecurity)

Location
Remote, Warsaw, Masovian Voivodeship, pl
Work mode
Remote
Employment
Full-time
Level
Senior
Experience
5+ years
Job function
Software/Internet/AI › Data & Analytics › Data Engineer

Posted Nov 3, 2026Last confirmed open Nov 7, 2026

About this role

  • Maintain and enhance existing data processes with a focus on reliability, scalability, and performance optimization
  • Analyze and deeply understand existing data models, workflows, tables, and processing jobs
  • Identify technical gaps, bottlenecks, inefficiencies, and opportunities for architectural improvements
  • Design, optimize, and support large-scale data pipelines and transformation processes
  • Drive modernization initiatives across the data platform and contribute to long-term architectural evolution
  • Optimize complex SQL queries and improve data processing latency and efficiency
  • Collaborate with product engineering and cross-functional teams on technical solutions and implementation strategies
  • Contribute to both short-term delivery goals and long-term platform development initiatives
  • Ensure adherence to best practices in data engineering, system reliability, and performance optimization
  • Participate in technical discussions, solution design, and continuous improvement initiatives
  • 5+ years of commercial experience in Data Engineering
  • Expert-level Python skills
  • Expert-level SQL skills with practical experience optimizing complex queries for performance and scalability
  • Strong hands-on experience with DBT for data transformation and modeling
  • Solid understanding of database concepts, including DDL, DML, indexing, normalization, and advanced SQL techniques
  • Hands-on experience working with Snowflake
  • Experience with Elastic Stack technologies
  • Proven experience designing, building, and maintaining large-scale data pipelines
  • Strong analytical thinking and problem-solving skills
  • Ability to work independently in a high-autonomy engineering environment
  • Experience driving technical initiatives from idea through implementation
  • Strong communication and collaboration skills
  • Upper-Intermediate English level or higher

WILL BE A PLUS

  • Experience with Airflow for workflow orchestration

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