Senior Data Engineer

Senior Data Engineer Miejsce pracy: Katowice Technologies we use Expected Apache Spark including PySpark Spark SQL Spark SQL Python Microsoft SQL Server Azure DevOps Bicep Terraform Operating system Windows Linux About the project We are looking for Senior Data Engineer to join Sopra Steria Polska a team for a client in the banking sector. You will be working in a stable environment in an international team working for one of the most popular Dutch banks. Note that we can only offer cooperation to people who are located in Poland and are willing to commute to our office in Katowice or Gdańsk, Poland. Tech stack on the project: • .Net/Databricks • Python, API • Apache Spark • Azure • SQL Server Your responsibilities Build and maintain data pipelines and platforms in Databricks and Azure using Apache Spark. Ensure data security, governance, and compliance using Unity Catalog and best practices. Develop reusable Python libraries for integration across Databricks and Azure Functions. Designing and implementing batch data pipelines in Databricks using Apache Spark (PySpark) and Delta Lake. Applying Spark performance tuning techniques (e.g., partitioning, caching, broadcast joins, shuffle optimization) for large-scale data processing. Setting up and managing Unity Catalog for data governance and security. Building Python libraries for reusable business logic and utilities, used in Databricks Spark jobs and Azure Functions to expose APIs. Developing CI/CD pipelines in Azure DevOps for data workflows and infrastructure deployment. Collaborating with stakeholders to understand data requirements and deliver solutions that create customer value. Our requirements 5 years of experience in data engineering roles. Deep hands-on experience with Databricks, including Unity Catalog, Delta Lake, and Lakehouse architecture. Strong proficiency in Apache Spark, including PySpark, Spark SQL, and Spark performance tuning. Experience creating Python libraries for reusable components and API integration. Experience with Azure Cloud services (Data Lake, Key Vault, Active Directory, App Services). Familiarity with SQL Server and relational database concepts. Understanding of data security principles and compliance requirements. Experience building CI/CD pipelines in Azure DevOps for data workflows. Infrastructure as Code (Bicep or Terraform). Good communication skills and a team player. Experience with Agile ways of working. English B2/C1. Being open to occasional business trips abroad and visits in our office in Katowice or Gdańsk. EU Citizenship. Optional Experience with finance or banking systems. Knowledge of streaming architectures (though primary focus is batch). Familiarity with Spark Structured Streaming and MLlib. Advanced cost optimization strategies for Spark workloads in cloud environments. This is how we organize our work This is how we work agile Development opportunities we offer technical knowledge exchange within the company What we offer BENEFITS (UoP): Luxmed, Medicover Sport, Worksmile, educational platforms, languages learning platform, referral bonus, copyrights, life insurance, workation DEVELOPMENT OPPORTUNITIES (UoP): certifications (paid by the company), conferences, Tech Lunches, possibility to join our Communities (Project Management, Architecture, Security, Process Management, Leadership, AI and Cloud) Benefits sharing the costs of sports activities private medical care sharing the costs of foreign language classes sharing the costs of professional training & courses life insurance remote work opportunities flexible working time fruits integration events no dress code coffee / tea parking space for employees leisure zone employee referral program Recruitment stages a short phone call with a recruiter (30 min max) one-hour long interview on Teams one-hour long interview on Teams with project representative Additional Information Regardless of the feedback we come back to our candidates. If you find this offer interesting and you would like to learn more about the project, send us your up-dated CV in English containing the clause: "I agree to the processing by Sopra Steria Polska Sp. z o.o. and other entities within the Sopra Steria Group of my personal data contained in my CV for the purposes of the current recruitment process and future recruitment processes conducted by any entity within the Sopra Steria Group." All information about salary range and its additional components will be provided during 1st stage of recruitment process. At our organization, we are committed to fighting against all forms of discrimination. We foster a work environment that is inclusive and respectful of all differences. Sopra Steria Polska Sp. z o.o. Sopra Steria is one of the largest players in the tech industry in Europe, known for its consulting, digital services and software development. We operate in nearly 30 countries in the world, hiring more than 55,000 employees. The Polish branch, as the Global Delivery Center, operates in Katowice since 2007 and has been growing ever since. Currently, our team consists of around 1,000 specialists. Within the Digital Platform Services department, our teams specialize in areas such as cloud, operating systems, virtualization, databases, backup or storage, as well as networking and security. We also have 1st line support consultants who speak French and English, but also Italian, Spanish, Portuguese and German. The Application Services department is responsible for areas such as software development, data engineering, testing services, CRM, ITSM and ERP platform integrations, as well as application management for customers in Scandinavia, Benelux, France, Germany, Switzerland and the UK. The Application Services department is responsible for areas such as software development, data engineering, testing services, CRM, ITSM and ERP platform integrations, as well as application management for customers in Scandinavia, Benelux, France, Germany, Switzerland and the UK. I agree to the processing by Sopra Steria Polska Sp. z o.o. and other entities within the Sopra Steria Group of my personal data contained in my CV for the purposes of the current recruitment process and future recruitment processes conducted by any entity within the Sopra Steria Group.