(Senior) Data Engineer - Freelance

Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted.How freelancing works at Netguru?As a , you can choose what works well for you. You decide when, where, and how you work on projects and tasks.We match you with work that fits your skills. Plus, you have access to various opportunities across different industries and companies. That means you will not only gain more experience, but also develop various skills.But there's more. Netguru freelancers can benefit from full-time collaboration and really be a part of the team.So, are you ready to make an impact? Join Netguru, and let's build beautiful software together.Details:Location: European UnionContract type: freelance B2BRate: €27-38/h (flexible, depending on experience)Start: ASAPDuration: ~6 months, possibility for extensionRequirementsMust-have:5+ years working experience as a Data Engineerexperience in regulated financial services environment as well as commercial facing experienceexperience in designing and developing robust Data Pipelines using technologies such as Apache Spark, Hadoop ecosystem with a deep understanding of data processingstrong background in cloud infrastructure (especially AWS) and hands-on experience of data lakes and modern data warehouses, including familiarity with orchestration, security, and networkprogramming experience with Scala and Pythonknowledge of DBT (models, tests, documentation) and a general understanding of Tableau or similar BI toolsexperience working with relational databases, data warehouses and advanced SQL queriesexperience with CI/CD & bash scripting and deployment/release best practicesexperience with Docker and working knowledge of Kubernetesattention to detail, creative problem-solving abilities and a passion for dataexcellent command of written and spoken English (C1+)Nice-to-have:excellent command of written and spoken Polish (C1+)Responsibilities:Manage and scale our client's BI data infrastructure by developing and maintaining the data pipelines.Conduct data analysis experiments, providing bespoke solutions to the stakeholders giving them the information they need to succeed.Model data using solid data lake/warehouse concepts and optimize performance (partitioning, file formats, performance tuning).Implement least-privilege IAM, encryption, data classification, PII handling, and auditability and contribute to data governance policies.Collaborate with analysts and domain stakeholders to translate requirements into robust data solutions, review code, and mentor peers.Continue our client's standards standards through data cleansing, coding consistency and data availability.Bring experiences and thoughts to the table.BenefitsWhat's in it for you? Becoming a Netguru Freelancer means:Flexibility: 100% remote work.Professionality: dev-friendly processes, like Continuous Integration and Code Review, work in line with Agile methodology.Diversity: projects from various industries like fintech, healthcare, insurance, or education.Growth: work with a team of experts and continuous development of your hard and soft skills.Knowledge: knowledge sharing sessions, internal knowledge base.Curious to learn more about working as a Netguru freelancer? All the information you need is here: .Looking for a full-time job? Check out our  and find out more about our open recruitment processes.Don't hesitate and apply right away!At Netguru, we're committed to creating an inclusive environment for everyone. If you require any disability-related adaptations during the recruitment process, please let us know. We're here to help!