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SSSigma Software logo

Sigma Software

Wrocław, pl

Principal Data Platform Engineer (Swedish Ad Platform).

FULL TIMEREMOTESTAFF LEVELDATA & ML
  • Lead the technical design and architecture of a modern enterprise-scale data platform
  • Define scalable data flows from Iceberg-based event storage into analytical and operational data products
  • Evaluate and select technologies for orchestration, transformation, querying, serving, and storage
  • Design reusable canonical entities and data models across advertising, campaigns, inventory, billing, and customer domains
  • Establish scalable engineering patterns for batch and near-real-time processing
  • Build reliable and observable data pipelines for high-volume AdTech workloads
  • Implement data quality, lineage, observability, and reconciliation capabilities
  • Collaborate with Platform Engineering teams to introduce CI-enforced data contracts and governance standards
  • Define tenant isolation, access control, and regional data boundary strategies
  • Establish standards for testing, deployment automation, schema evolution, and versioning
  • Optimize platform performance, scalability, and infrastructure costs
  • Mentor engineers and contribute to engineering excellence across the team
  • Partner closely with leadership and cross-functional stakeholders
  • 8+ years of experience designing and operating production-grade data platforms
  • Strong expertise in distributed data systems and high-volume event-driven architectures
  • Deep understanding of modern lakehouse architectures and Apache Iceberg
  • Advanced SQL skills and production experience with Python, Java, Scala, or similar languages
  • Experience with distributed processing and query technologies such as Spark, Flink, or Trino
  • Strong knowledge of data modeling, partitioning strategies, and performance optimization
  • Proven experience building batch and near-real-time data pipelines
  • Hands-on experience with AWS cloud infrastructure
  • Strong understanding of CI/CD pipelines, Infrastructure as Code, and production observability
  • Experience implementing data contracts, schema evolution, and data quality frameworks
  • Ability to make pragmatic architectural decisions in greenfield environments
  • Upper-Intermediate or higher English level
  • Strong communication and technical leadership skills

WILL BE A PLUS

  • Experience in AdTech or other high-volume event-processing domains
  • Experience designing multi-tenant SaaS data architectures
  • Familiarity with semantic layer technologies
  • Experience supporting both analytics and ML/AI workloads
  • Understanding of privacy regulations and data residency requirements

What success looks like within your first six months:

  • The first production data foundation is running.
  • Clear architectural decisions have been made and documented.
  • Events entering the data platform have enforceable contracts.
  • Core canonical entities exist and are tested.
  • Data quality and lineage are observable.
  • Other engineers can contribute without needing to understand every implementation detail.
Pay
Not stated
Where
Wrocław, pl
Work
Remote
Type
Full time
Posted
22 Oct, 2026
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