Senior Data Engineer (Cybersecurity platform)

Sigma Software

Warsaw, Masovian Voivodeship, Poland, Remote Remote Full-time 1 mo 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

* Maintain and enhance existing data processes with a focus on reliability, scalability, and performance optimization * Analyze and fully understand existing data models, tables, workflows, and processing jobs * Identify technical gaps, bottlenecks, inefficiencies, and opportunities for system improvements * Design, optimize, and support large-scale data pipelines and transformation processes * Drive modernization initiatives across the data platform and implement architectural improvements * Optimize complex SQL queries and improve data processing latency * Collaborate with product engineering teams to align on technical solutions and implementation strategies * Contribute to both short-term delivery goals and long-term platform evolution * Ensure adherence to best practices in data engineering, performance optimization, and system reliability

Qualifications

* 5+ years of commercial experience in Data Engineering * Expert-level SQL skills with hands-on experience optimizing complex queries for performance and scalability * Strong practical experience with DBT for data transformation and modeling * Solid understanding of database concepts, including DDL, DML, and advanced SQL * Hands-on experience with Snowflake * Experience working with Elastic stack technologies * Proven experience designing, building, and maintaining large-scale data pipelines * Strong analytical and problem-solving skills * Ability to work independently in a high-autonomy environment * Experience driving technical initiatives from idea to implementation * Strong communication and collaboration skills * Upper-Intermediate English level

WILL BE A PLUS

* Experience with Airflow for workflow orchestration * Experience in cybersecurity or security-related products * Experience modernizing legacy data systems and architectures

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