Wait, What Do You Do?

See how this role fits your experience

Add your resume to compare the role’s scope, tools and requirements with your experience.

Pay, work setup, and employment type unconfirmed

Not confirmed in this saved copy: pay, work setup, employment type. Check the full posting

Tools in this posting

sql
dbt
sigma
airflow

Source

- 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

- 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

- 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

- 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

WILL BE A PLUS - Experience with Airflow for workflow orchestration - Experience in cybersecurity or security-related products

Join a high-impact cybersecurity project where data engineering directly contributes to protecting applications from automated attacks and malicious activity. We are looking for a Senior Data Engineer who thrives in autonomous environments, enjoys solving complex data challenges, and is ready to drive modernization initiatives across scalable data systems. As part of Sigma Software, you will collaborate with experienced international teams, influence architectural decisions, and work with modern data technologies in a remote-friendly environment aligned with the EU/Ukraine timezone. We value proactive engineers who combine technical excellence with ownership and strategic thinking. This role offers the opportunity to contribute to cybersecurity products used at scale while growing within a supportive and people-focused company culture.

Find answers in the posting

Already applied? Track this application

About applying

Apply opens the employer’s site in a new tab. Add your outcome here after you submit.

Source details & eligibility

Before you apply

Source excerpts

Selected passages from the saved posting. Check the full description for conditions and exceptions.

Pay: No pay amount identified in the saved description.
Location & working pattern: Warsaw, Masovian Voivodeship, Poland
Join a high-impact cybersecurity project where data engineering directly contributes to protecting applications from automated attacks and malicious activity. We are looking for a Senior Data Engineer who thrives in autonomous environments, enjoys solving complex data challenges, and is ready to drive modernization initiatives across scalable data systems. As part of Sigma Software, you will collaborate with experienced international teams, influence architectural decisions, and work with modern data technologies in a remote-friendly environment aligned with the EU/Ukraine timezone. We value proactive engineers who combine technical excellence with ownership and strategic thinking. This role offers the opportunity to contribute to cybersecurity products used at scale while growing within a supportive and people-focused company culture.
Work authorization: No clear work-authorization passage found. Eligibility is unconfirmed.

Open source at jobs.smartrecruiters.com ↗Read the full description ↓

Posting history

Status in our records: Active
First seen by us: Sep 8, 2026
Recorded sightings: 1

These dates show when we found the listing. Check the employer’s website to confirm it is still accepting applications.

Report an error

Job description

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

Company Description

Join a high-impact cybersecurity project where data engineering directly contributes to protecting applications from automated attacks and malicious activity. We are looking for a Senior Data Engineer who thrives in autonomous environments, enjoys solving complex data challenges, and is ready to drive modernization initiatives across scalable data systems.

As part of Sigma Software, you will collaborate with experienced international teams, influence architectural decisions, and work with modern data technologies in a remote-friendly environment aligned with the EU/Ukraine timezone.

We value proactive engineers who combine technical excellence with ownership and strategic thinking. This role offers the opportunity to contribute to cybersecurity products used at scale while growing within a supportive and people-focused company culture.

CUSTOMER

Our Customer is a global cybersecurity company delivering advanced digital protection solutions for businesses, organizations, and communities worldwide. Operating across multiple cybersecurity domains, the company focuses on identifying vulnerabilities, preventing threats, and strengthening digital resilience.

PROJECT

The project is focused on developing and improving a solution designed to safeguard applications from automated attacks and malicious traffic. The team works on scalable and high-performance data infrastructure supporting security analytics, monitoring, and detection capabilities. The environment combines legacy system modernization with the development of reliable and scalable data workflows, requiring strong ownership and close collaboration with cross-functional engineering teams.