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We are looking for an experienced Data Engineer to join a long-term project in Warsaw, focusing on data processing and analytics. You will be part of a dynamic team working with Microsoft Fabric to design and implement data pipelines, ensuring high-quality data integration and transformation processes. This hybrid role offers the flexibility of remote work while collaborating closely with business teams and stakeholders. If you are passionate about leveraging data to drive insights and solutions, this opportunity may be the right fit for you. Your tasks Designing and implementing data pipelines in Data Factory and PySpark notebooks in Microsoft Fabric Onboarding file and database sources, including technical validation and format standardization Transforming and preparing batch data for analysis Implementing data quality validation rules and error reporting mechanisms Versioning datasets and recording metadata of the process (parameters, sources, versions) Working in a Git environment, managing code repositories, CI/CD deployments, and conducting code reviews Collaborating with the Risk Team to establish transformation rules Ensuring compliance with data privacy regulations and integrating company security standards into the Azure environment Optimizing processes for performance and cost efficiency Requirements Minimum 3 years of experience as a Data Engineer in production projects Proficiency in Python (PySpark) and SQL for handling large datasets Practical experience with cloud data processing platforms such as Microsoft Fabric, Azure Synapse, or Databricks Familiarity with layered data architecture (medallion or similar) and Delta/Parquet formats Experience working with Git in a team environment Ability to integrate diverse sources, including Excel files from business users Willingness to sign an NDA and undergo security verification Fluent Polish Nice to have DP-600 or DP-700 certification Experience in the finance sector or other highly regulated environments Knowledge of R (the model uses Python and R) Previous work with CI/CD for data platforms Familiarity with data quality frameworks Experience with Agile and Scrum methodologies Job no. JOB-XJMU8 Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws. Benefits For You Great Place to Work Solid financial situation Contracts with the biggest brands Centre of internal trainings Many experts you can learn from Open and accessible management team Profit sharing Passion Sponsorship program Regular integration events and trips Comfortable and well-equipped offices MySii app Medical care
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.