Senior Data Engineer

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. 

How we work

Our 120+ experts, organized into 4 Business Units, manage projects end-to-end - from technical presales and solution design to final delivery. Each team combines specialists from different fields - Data Engineers, BI Consultants, AI Engineers, Solution Architects, Power Platform Consultants, and Project Managers, enabling us to deliver truly comprehensive solutions. Every role is end-to-end: we don’t just execute tasks, we act as trusted advisors, guiding clients and leading projects from A to Z. 

What we stand for 

You’ll always have a team to count on and space to try out new ideas. We believe in ownership where your work will drive real change, not just tick boxes. 

Here, learning never stops - we grow together and raise the bar step by step. And because we work with respect and passion, you won’t just deliver to clients but build real solutions along with them. 

For those who share our mindset, we offer not just projects, but a full-time, long-term partnership. 

Technologies we work with

• Data Platforms: Microsoft Fabric, Databricks, and Snowflake 

• Power BI, Power Platform: Power Automate, Power Apps, Copilot Studio 

• Azure Machine Learning, AI Foundry, Cognitive Services, MCP Servers 

• Python, React.js, App Services, Container Apps 

Who are we looking for

We are looking for a Senior Data Engineer who will focus on delivering Azure-based data platforms, including data warehouses (DWH), ETL pipelines, and processing frameworks.

As a Data Engineer, you will collaborate closely with architects, stakeholders, and analysts to ensure data solutions align with business goals and IT architecture. With experience, the role will expand to include advanced architecture design and leadership in complex data projects.

What you'll do

• Design and develop ETL pipelines for complex data transformations.

• Build and optimize data models (normalized and multidimensional) to support analytics needs.

• Develop Azure-based solutions, including tools like Databricks, Synapse Analytics, and Microsoft Fabric.

• Collaborate with architects and stakeholders to design data architectures aligned with IT strategies.

• Provide support to analysts in creating and refining data models for reporting.

• Ensure data quality and optimize the performance of data platforms.

What you bring

• 5+ years of experience in data engineering area in a consulting model.

• Experience with Azure ADF, SQL Database, Microsoft Fabric, Databricks, Synapse technologies.

• Strong understanding of data modeling techniques and data warehouse architecture.

• Ability to create, evaluate and optimize existing data pipelines.

• Strong communication and collaboration skills to work with both technical and non-technical stakeholders.

• Ownership and proactive, client-oriented approach.

• Fluency in English and Polish.

Certificates (at least one of the below)

• Microsoft Certified: Azure Data Engineer Associate.

• Implementing a Data Warehouse

• Analyzing and Visualizing Data with Power BI

• Snowflake: SnowPro Core Certification

• Microsoft Certified: Fabric Analytics Engineer Associate

• Databricks: Data Engineer Associate/Professional

Nice to have

• Power BI background

What’s in it for you

• Flexible working hours 

• Remote, hybrid or work in office – it up to you, but we’d like to meet at the office at least once a month. 

• A dedicated Buddy to support you through onboarding 

• Private health insurance

• 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 

Recruitment process

We respect your time and value transparency. That’s why our recruitment process is straightforward and designed to give you clarity at every stage: 

1. Apply  - Send us your CV, and we’ll get back to you quickly. 

1. HR Interview - Up to 1 hour conversation to get to know each other better. 

1. Technical Interview - Another 1 hour to dive into your expertise and see how we can work together. 

1. Decision  - No waiting in the dark - within 2 weeks, you’ll receive feedback from us. 

Want to explore more about our work, projects, and team culture?

Check out our LinkedIn, visit cloudsonmars.com and check our offerings catalog - catalog.cloudsonmars.ch