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September 4, 2026

Senior Software Engineer

Senior • Remote

210 - 260 PLN/yr

Warsaw, MZ, Poland

The Supply Engineering team connects technical areas to integrate systems, maintain the platform, develop critical internal services, and maximize bidding efficiency across 120+ external integrations.

You Will

  • Take full ownership of complete internal services and components, ensuring their health, scalability, and observability.
  • Develop and maintain services and tools that enable non-technical teams to run complex analyses.
  • Build and optimize backend services and data pipelines (ETL/ELT) that enrich bidding data from diverse sources.
  • Conduct technical and A/B analyses to continuously improve the efficiency of bidding integrations.
  • Work with Python/Java, JavaScript/TypeScript, Google Cloud Platform (GCP), and BigQuery.

Desired Experience

  • Strong software engineering experience and problem-solving skills.
  • Experience with cloud environments, ideally GCP, and data analysis tools including SQL, Google BigQuery, and Google Colab/notebooks.
  • Ability to quickly adapt and design stable, scalable solutions in ambiguous or highly dynamic technical environments.
  • Strong focus on clean code, reliability, and observability.

Selected Technologies

  • Python, Java
  • JavaScript/TypeScript
  • SQL (PostgreSQL, Google BigQuery), Pub/Sub
  • Google Cloud Platform (GCP)
  • Git
  • AI & Agentic Developer Tools

We Offer

  • Extremely flexible collaboration conditions: no core hours and a 100% remote model.
  • Access to the latest technologies and their practical use in a large-scale, highly dynamic project.
  • Top-notch hardware and software tailored to your needs.
  • A collaborative team environment with knowledge sharing and growth support.

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