Senior Data Engineer – Integrations, Data Platform

Sigma Software Group

Senior Data Engineer responsible for implementing data integrations and ensuring quality for AdTech solutions. Collaborating across teams and utilizing modern technologies in a remote work setup.

Posted 4/25/2026full-timeRemote • 🇵🇱 PolandSeniorWebsite

Tech Stack

Tools & technologies

Google Cloud PlatformJavaScalaSQL

About the role

Key responsibilities & impact

Design, build, and maintain reliable data pipelines to ingest and process data from external systems
Implement integrations using Java or Scala, ensuring scalability and resilience
Handle both full data loads and incremental updates efficiently
Collaborate with engineering and product teams to align on integration and data needs
Develop and maintain a unified internal data model
Ensure data quality, detect and resolve incorrect or incomplete data
Utilize AI-assisted tools to improve data quality and operational efficiency
Monitor and optimize data pipelines for production readiness

Requirements

What you’ll need

At least 5 years of experience as a Data Engineer or Backend/Data Engineer
Strong production experience with Java or Scala
Proven experience integrating external systems via REST APIs (pagination, rate limiting, token-based authentication)
Strong data modelling skills with structured, relational data
Solid SQL knowledge
Experience with GCP Dataflow
Experience operating data pipelines in production environments
Strong communication skills and ability to collaborate across teams
At least an Upper Intermediate level of English
WILL BE A PLUS: Experience with event-driven architectures or messaging systems, Designing canonical schemas across multiple data sources, Experience with LLM (Large Language Models)

Benefits

Comp & perks

employees can work remotely

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

JavaScaladata pipelinesdata modelingSQLGCP DataflowREST APIsevent-driven architecturesmessaging systemsLarge Language Models

Soft Skills

communicationcollaboration