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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Data Engineer - **Company:** Alfen - **Location:** Almere, Netherlands - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Data Analysis, Microsoft Azure, C Sharp (Programming Language), Databases, Data Architecture, Information Engineering, Extract Transform Load (ETL), Data Structures, Data Systems, Data Warehousing, Dimensional Modeling, Document-Oriented Databases, R (Programming Language), Monitoring of Systems, Python (Programming Language), Microsoft SQL Server, Power BI, Software Tools, SQL Stored Procedures, Transact-SQL, Snowflake, Database Performance, Indexer, Information Technology, Operational Systems, Software Version Control, Data Pipelines, Programming Languages - **Published:** July 30, 2026 - **Apply:** https://www.nationalevacaturebank.nl/vacature/695881ca-e0bc-4173-b352-ff5f55fe3bac/data-engineer ## About the Role + Bachelor's or Master's degree (or equivalent) in IT, Data, Computer Science, or similar + 5+ years of experience in IT/technology roles, including 3+ years in data-focused positions + Strong expertise in SQL Server (T-SQL, stored procedures) + Experience with programming languages such as Python, R, C#, Java or similar + Hands-on experience with data warehousing, dimensional modelling, and ETL/ELT processes + Experience with Snowflake and Matillion is a strong plus + Knowledge of database performance, security, and optimisation + Understanding of operational vs analytical data environments + Strong communication skills in English and Dutch Who You Are + Analytical and detail-oriented + Proactive with a strong sense of ownership + Customer-focused with strong stakeholder awareness + Organized and able to manage multiple priorities + A clear communicator who enjoys collaboration ## Description At Alfen, we are at the forefront of the energy transition. We build smart energy solutions that enable a sustainable future-ranging from EV charging infrastructure to energy storage systems and grid solutions. To support our growing data landscape, we are looking for a Data Engineer to join our Enterprise Platform Team . Your Role As a Data Engineer, you will play a key role in designing, building, and maintaining robust data structures and pipelines across both our operational systems and analytical data platform. You ensure that our data is reliable, secure, high-performing, and accessible-empowering teams across Alfen with actionable insights. You will work with a diverse range of data sources, including ERP, HR, service desk systems, and IoT data from our advanced battery solutions. What You'll Do Data Engineering & Platform Development + Design, build and maintain databases and data pipelines across operational systems and the analytical platform + Develop and optimise Microsoft SQL Server environments (T-SQL, stored procedures, ETL/ELT pipelines) + Model data using dimensional modelling and data warehouse best practices + Build and integrate data solutions using Python and modern data engineering tools Performance, Security & Quality + Ensure high performance, scalability, and security of databases + Implement indexing, backup, and recovery strategies + Safeguard data quality through validation, monitoring, and lineage tracking + Monitor system performance and resolve incidents proactively Delivery & Collaboration + Support releases, migrations, and ongoing improvements of the data platform + Collaborate in IT projects and contribute to the data roadmap + Work with tools such as Microsoft SQL Server, Matillion, Snowflake, Azure Analysis Services, and Power BI + Participate in on-call duties when required Innovation & Standards + Evaluate and implement new technologies and data engineering best practices + Document data models, pipelines, and flows for transparency and scalability + Maintain standards for naming conventions, version control, and deployment What You Bring ## Related Videos - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [REST, GraphQL, gRPC, and more: A comparison of modern API styles](https://www.wearedevelopers.com/videos/100247-rest-graphql-grpc-and-more-a-comparison-of-modern-api-styles) - [Optimizing Discovery: PostgreSQL's Role in Transforming GetYourGuide's Search](https://www.wearedevelopers.com/videos/1647-optimizing-discovery-postgresql-s-role-in-transforming-getyourguide-s-search) - [Empowering Retail Through Applied Machine Learning](https://www.wearedevelopers.com/videos/976-empowering-retail-through-applied-machine-learning) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Software Developer Salary in The Netherlands [2023]](https://www.wearedevelopers.com/magazine/217-software-developer-salary-in-the-netherlands-2023) - [Best Companies in the Netherlands: Top 25 Companies in 2023 ](https://www.wearedevelopers.com/magazine/193-best-companies-in-the-netherlands-top-25-companies-in-2023) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [How to Find Tech Jobs in Amsterdam](https://www.wearedevelopers.com/magazine/279-how-to-find-tech-jobs-in-amsterdam) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam)