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Team Lead - Data Engineer

Poland, Warsaw B2B · Job Posted February 04, 2026
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Job Description

Looking for stable projects with modern tech and room to grow? We are Clouds on Mars, an IT consulting company specializing in architecting and delivering solutions that exceed current technological and domain standards. From cloud and data engineering through AI-driven analytics to web apps and automation – we manage the full project cycle. For those who share our mindset, we offer not just projects, but a full-time, long-term partnership.

Job Responsibility

  • Design and deliver scalable ETL/ELT pipelines, data models, and reporting solutions using technologies such as Azure Data Factory, Synapse, Fabric, Databricks, and Power BI
  • Architect modern data platforms (data warehouse, data lake, or lakehouse) with performance, scalability, and reliability in mind
  • Collaborate with technical stakeholders to translate business requirements into robust, production-ready data solutions
  • Contribute to CI/CD processes, code quality standards, automated testing, and documentation
  • Act as a senior technical contributor across one or more client projects in a consulting setting
  • Act as direct people manager for a team of data engineers, responsible for performance reviews, development planning, and career coaching
  • Conduct regular 1:1s, provide feedback, and support skills growth through mentoring and learning opportunities
  • Balance and allocate team members across multiple projects, ensuring workload clarity and capacity planning
  • Foster a healthy, collaborative team culture by promoting open communication, continuous improvement, and psychological safety
  • Monitor team morale and resolve delivery blockers that affect individual or team performance
  • Work closely with Project Managers and Technical Leads to align team priorities and remove conflicts or inefficiencies
  • Ensure consistency in delivery standards, team engagement, and cross-project coordination
  • Support team members in navigating overlapping priorities or challenges across multiple engagements

Requirements

  • 5+ years of experience delivering data engineering solutions in a consulting or multi-client project environment
  • Strong technical expertise with the Microsoft Azure ecosystem (Data Factory, Synapse, Fabric), Databricks, and Power BI
  • Solid background in ETL/ELT design, data integration, data modeling, and performance optimization
  • Proven people management experience, including performance evaluation, coaching, and career development
  • Excellent communication skills and ability to engage with both technical and business stakeholders
  • Fluency in English and Polish

Nice to have

Experience in AI/ML or a strong interest in developing their skills in this area

What we offer

  • Flexible working hours
  • Private health insurance (UNUM up to PLN 350,000, advanced up to PLN 500,000)
  • Co-funding for PZU, Medicover or LuxMed medical packages
  • Multisport card
  • Access to training platforms (MS certificates, SQL BI, internal Delivery Excellence Workshops)
  • Breakfasts, fruit, snacks, and always-chilled drinks in the office
  • Anniversary gifts and quarterly integration budgets
  • Paid referral program (up to PLN 8,000)
  • „It’s good to stay with us” – PLN 2,500 voucher after 3 years with the company

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