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OLX

Global peer-to-peer online classifieds marketplace

Data Engineer

Data EngineeringConfirmed live in the last 24 hours
Full-timeRemote in PolandNo salary listed

About the Job

Requirements

  • At least 2 years of experience building complex data pipelines and working with technical and business stakeholders.
  • Mastery of SQL, including writing efficient, readable code.
  • Familiarity with Medallion architecture.
  • Experience designing for scale and data growth in storage and performance.
  • Business and product understanding, including the ability to handle ambiguity.
  • A track record of delivering successful data projects and managing their lifecycle.
  • Ability to build maintainable Python applications.
  • Experience with cloud data technologies on AWS, GCP, or Azure, such as Redshift, Spark, Trino, Iceberg, or Airflow.
  • Experience working with analytics teams and translating business terms and key performance indicators into technical requirements.
  • Experience defining and measuring data quality, using tools such as Monte Carlo or Great Expectations.
  • Familiarity with Claude Code and/or Cursor, skills, and AI agents.
  • Excellent written and verbal proficiency in English.
  • Must be based in Poland.

Responsibilities

  • Deliver and promote strategically designed actionable datasets and data models to enable domain data consumption as a product.
  • Build, maintain, and improve data pipelines using a broad range of technologies.
  • Support teams without data engineers in building decentralized data solutions and product integrations.
  • Build data pipelines in the Lakehouse using Medallion architecture.
  • Promote the value of data and the data platform among engineering teams and enable cooperation.
  • Work with product teams to identify opportunities to integrate data into end products and streamline source data so that it is cleaner earlier in the process.
  • Follow and promote data mesh principles around decentralized data ownership and data as a product.
  • Promote privacy-by-design principles and manage sensitive data in compliance with established security and privacy standards.
  • Increase engineering-organization data literacy by hosting training and mentoring less experienced data engineers and software engineers.
  • Advance agentic systems tailored for data engineering by creating specialized skills and agents.
  • Work with product managers, software engineers, product analysts, data scientists, and regional business partners to identify and design data projects and guide them through delivery and validation from end to end.
  • Participate in evolving and optimizing the data stack to help domains ingest, process, and consume data across the company.

Desired Qualifications

  • Knowledge of and curiosity about other big data technologies and tools.

About the Company

OLX

Global peer-to-peer online classifieds marketplace

OLX Group runs a global online peer-to-peer classifieds marketplace that helps people buy and sell a wide range of goods and services, from electronics and furniture to cars, housing, and jobs. Its platform is built for mobile use and focuses on serving emerging markets where value-conscious consumers live, enabling local transactions through listings, chat, and search. Sellers post free or paid ads, and OLX monetizes via advertising (including Google AdSense), premium listings for higher visibility, and subscription tools for business users; in some markets it earns commissions on transactions (e.g., OLX Autos). The company differentiates itself with a large, local-focused footprint across 30+ countries, a mobile-first approach tailored to local needs, and strategic partnerships and acquisitions that expand its reach. Its goal is to connect people to buy and sell locally with a simple, accessible marketplace that supports value-for-money trades and decluttering in underserved markets.

Company size
1,001-5,000
Company stage
Series C
Total funding
$28.5M
Headquarters
Hoofddorp, Netherlands
Founded
2006

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