Koen Segers

Data Engineer at Edmij

Amsterdam, North Holland, Netherlands

About

Experience

  • Data Engineer at Edmij
    Apr 2026 - Present · 3 mos

    Full-Stack Data Engineering, Delta Lake Warehousing, and DevOps Architecture. DevOps & Platform Design: Designing and managing the DevOps platform lifecycle, establishing deployment workflows and environment configuration standards. Environment Management: Automating containerized application orchestration across isolated ACC and PRD bare-metal nodes. Delta Lake & Warehousing: Implementing an on-premises Delta Lake storage framework using the Medallion architecture to serve as the analytical data warehouse layer. Python Software Engineering: Building modular data processing pipelines using Object-Oriented Python (OOP) with strict type-checking. Orchestration & Dashboards: Deploying Apache Airflow setups for workflow orchestration and Streamlit applications for the data serving layer.

  • Data Platform Engineer at Albert Heijn
    Mar 2025 - Mar 2026 · 1 yr 1 mo

    Working on the config driven data analytics platform, enabling users to onboard data with ease. My responsibilities include: - Infrastructure as Code with Terraform and orchestration with Terragrunt - Configuration model development with Pydantic - Spark optimisation in Databricks - Release management - CI/CD pipeline development - Logging and alerting - Parametrised unit testing and e2e testing

  • Data Engineer at The HEINEKEN Company
    May 2023 - Mar 2025 · 1 yr 11 mos

    Operating company: Beerwulf Core Data Engineering Skills • Translating Business Logic to Data Solutions; • Data Modelling (Data Vault, Kimball); • Managing ETL/ELT Pipelines; • Building, managing and improving the data platform (IaC); • Machine Learning Engineering; • Unit testing (pytest); Cloud & Infrastructure Skills • Cloud platform skills (Azure, Databricks) • Infrastructure as Code (Terraform) DevOps & Automation Skills • Azure DevOps • CI/CD Pipelines & automated testing Projects: • With the team we’re developing a new landing zone, Data Vault model, and a dimensional analysis layer, to replace the current structure; • Implementing infrastructure as code with Terraform to manage both Unity Catalog resources (schemas, permissions, external storage) and Databricks workspace resources (clusters, compute configurations); • Maximizing test coverage with extra care for code quality; • Developing and improving ML models for forecasting.

  • Sweco (Amsterdam, North Holland, Netherlands)
    • Consultant Data Visualization
      Aug 2022 - May 2023 · 10 mos

      • Development of dashboards (Tableau/Power BI); • Development and maintenance of data warehouses (Azure SQL, SSMS); • Automation of data pipelines (ETL); • Data visualization and analysis (Python); • Predictive modelling/ machine learning. Projects: • Creating fully automated dashboards. In the process, files are transformed and loaded into the data warehouse. Via live connection, the dashboards shows multiple visualisations that give insight in the behaviour of assets based on statistics. • Development of a dashboards for province in the Netherlands, where deformation of multiple assets is shown. Multiple times series are fitted, and predictions are compared with actual values.

    • Jr. Consultant Data Visualization
      Sep 2021 - Aug 2022 · 1 yr

  • Universal International Music B.V. (2 yrs 9 mos)
    • Supply & Inventory Planner
      Jun 2019 - Aug 2021 · 2 yrs 3 mos

      • Data Analysis (relational databases (SQL) and R); • Forecasting initial delivery quantities of new releases; • Coordinating flows of goods and information; • Process optimization; • Development of KPI dashboards (Power BI). Personal projects: • Clustering customers and products with machine learning; • Development of predictive models for predicting sales of new releases.

    • Process Coordinator
      Dec 2018 - May 2019 · 6 mos