Senior Data Engineer: Cloud Architecture & Mentoring

Salestube; Warszawa; Hybrid; PLN 240,000 - 360,000; Full time

Benefits offered by this job

Hybrid work model

Pet-friendly office

Language platform access

Mental well-being support

Private medical care

MultiSport card

Buddy onboarding

Bike parking

Onboarding program

Climate action involvement

Job summary

Salestube is seeking a (Senior) Data Engineer for its Intelligence Division to mentor the team and define our Google Cloud architecture. You will elevate standards, drive operational excellence, and still contribute hands-on when needed.

You will mentor, implement ELT frameworks, ensure data quality and security, and translate architectural concepts into business value for external stakeholders.

Qualifications

• Minimum 5 years of commercial experience in data engineering with Google Cloud.
• Google Cloud Professional Data Engineer certification (expected or to be obtained within the first month).
• Advanced knowledge of the Google Cloud ecosystem: BigQuery, Cloud Storage, Pub/Sub, BigTable, Dataflow, Dataproc, Cloud Functions/Run, IAM, Networking.
• Practical experience with Git, CI/CD pipelines (GitHub Actions/Cloud Build), and Infrastructure as Code (Terraform), as well as Airflow.
• Advanced SQL skills (window functions, partitioning, clustering in BigQuery) and Python proficiency.
• Excellent communication skills to act as a technical partner for external stakeholders.
• English proficiency at a minimum B2 level.

Responsibilities

• Designing scalable Google Cloud data architectures from the ground up, effectively filling some workloads of a Cloud Architect.
• Moderating discovery sessions, translating architectural concepts into business value, and challenging client requests during pre-sales and project phases.
• Transforming ETL scripts into standardized ELT frameworks, implementing metadata-driven architectures, and defining rules for orchestration.
• Designing and implementing security standards, audit logging, and data quality monitoring.
• Acting as the technical mentor for the team through pair programming, setting technical standards, and conducting code reviews.

Skills

Google Cloud

SQL

Python

Mentorship

CI/CD

English (B2)

Infra as Code

Tools

Git

GitHub Actions

Cloud Build

Terraform

Airflow

Kubernetes/GKE

Job description

Salestube is seeking a (Senior) Data Engineer for its Intelligence Division to mentor the team and define our Google Cloud architecture. You will elevate standards, drive operational excellence, and still contribute hands-on when needed.

You will mentor, implement ELT frameworks, ensure data quality and security, and translate architectural concepts into business value for external stakeholders.