Senior Data Engineer - immediate start (f/m/x) w Łódź, Polska

Expected, Databricks, Python, API, https://jobeax.com/link/6WcBICn0LM558SP0, Git

Optional, SAP

About the project, We are looking for a Senior Data Engineer to join an international e-invoicing project. In this role, you will develop a solution that retrieves invoices via an external API, validates their content, and automatically routes them to the appropriate downstream systems, such as procurement platforms. You will work with Databricks Apps to create a robust backend and provide operational UI support for monitoring processing status and errors. This remote position allows you to collaborate with a skilled team while contributing to a significant project in the field of e-invoicing., , Please apply only if you are available to start by mid-October at the latest.

Your responsibilities, Designing and implementing data workflows within Databricks, ensuring optimal performance and reliability, Developing backend logic in Python for content validation and API integration, Creating and managing APIs, including REST and OAuth 2.0, to facilitate data exchange, Building user interfaces using https://jobeax.com/link/6WcBICn0LM558SP0 or Streamlit to enhance the operational UI of the Databricks App, Implementing CI/CD practices to streamline deployment processes and ensure code quality, Utilizing Git for version control and collaboration with the development team, Conducting unit and integration testing to ensure the robustness of the solution, Monitoring application performance and logging errors for continuous improvement

Minimum 6 years of experience in data engineering or software development, Strong expertise in Databricks, including Apps, Workflows, Delta Lake, and Unity Catalog, Proficiency in Python for backend development, routing, and API integration, Experience with REST APIs, JSON, and OAuth 2.0, Solid understanding of frontend development using https://jobeax.com/link/6WcBICn0LM558SP0 or Streamlit, Familiarity with Git and CI/CD processes for effective version control and deployment, Advanced level of English, Availability to start no later than mid-October is required

What we offer, Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas, Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market, We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022, Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more, Comfortable workplace – class A offices or remote work, Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application, PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers, Investment in your growth – meetups, webinars, training platform and technology blog – you choose, Fantastic atmosphere created by all Sii Power People

This is how we work on a project, Continuous Deployment, Continuous Integration

Recruitment stages, Send your CV, Talk to us about your expectations, Learn more about our projects and choose the best, Start your adventure with Sii!

Sii Sp. z o.o., Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment., , Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.

This is how we work,