{"$schema":"https://raw.githubusercontent.com/jsonresume/resume-schema/v1.0.0/schema.json","awards":[{"awarder":"Royal Flemish Chemical Society, KU Leuven Campus De Nayer","date":"2017","summary":"KVCV Prize for the Most Meritorious Student — Royal Flemish Chemical Society, KU Leuven Campus De Nayer, 2017.","title":"KVCV Prize for the Most Meritorious Student"},{"awarder":"KU Leuven Campus De Nayer","date":"2017","summary":"Nominated for the Willy Asselman Award — KU Leuven Campus De Nayer, 2017, an annual prize honouring outstanding academic performance and an excellent master's thesis.","title":"Nominated for the Willy Asselman Award"}],"basics":{"email":"johan.hostens@konverga.be","label":"Freelance Azure Data Engineer","location":{"city":"Onze-Lieve-Vrouw-Waver","countryCode":"BE","region":"Antwerp"},"name":"Johan Hostens","profiles":[{"network":"LinkedIn","url":"https://www.linkedin.com/in/johanhostens/","username":"johanhostens"},{"network":"GitHub","url":"https://github.com/konverga","username":"konverga"}],"summary":"Data engineer with 6+ years of experience building stable, well-governed Azure data solutions. Certified on Databricks, dbt and Azure.","url":"https://www.konverga.be"},"certificates":[{"date":"2025-02","issuer":"dbt Labs","name":"dbt Certified Developer"},{"date":"2024-01","issuer":"Databricks","name":"Databricks Certified Data Engineer Professional"},{"date":"2023-02","issuer":"Microsoft","name":"Microsoft Certified: Azure Data Engineer Associate (DP-203)"},{"date":"2021-09","issuer":"Microsoft","name":"Microsoft Certified: Power Platform Fundamentals (PL-900)"},{"date":"2021-05","issuer":"Microsoft","name":"Microsoft Certified: Azure AI Fundamentals (AI-900)"},{"date":"2021-01","issuer":"Microsoft","name":"Microsoft Certified Solutions Expert (MCSE)"},{"date":"2021-01","issuer":"Microsoft","name":"Microsoft Certified Solutions Associate (MCSA)"},{"date":"2020-07","issuer":"Microsoft","name":"Microsoft Certified: Data Analyst Associate (DA-100, succeeded by PL-300)"},{"date":"2020-05","issuer":"Microsoft","name":"Microsoft Certified: Azure Data Fundamentals (DP-900)"},{"date":"2020-05","issuer":"Microsoft","name":"Microsoft Certified: Azure Fundamentals (AZ-900)"},{"date":"2021-01","issuer":"Microsoft","name":"Developing SQL Databases (70-762)"},{"date":"2020-09","issuer":"Microsoft","name":"Introduction to Programming Using Python (98-381)"},{"date":"2020-08","issuer":"Microsoft","name":"Implementing an Azure Data Solution (DP-200)"},{"date":"2020-06","issuer":"Microsoft","name":"Implementing a SQL Data Warehouse (70-767)"},{"date":"2020-06","issuer":"Microsoft","name":"Querying Data with Transact-SQL (70-761)"}],"education":[{"area":"Data \u0026 Analytics","endDate":"2020-06","institution":"UC Leuven-Limburg (UCLL)","score":"magna cum laude (77.25%)","startDate":"2019-09","studyType":"Postgraduate"},{"area":"Industrial Engineering (Biochemistry)","endDate":"2017-06","institution":"KU Leuven","score":"magna cum laude (81.50%)","startDate":"2015-09","studyType":"Master"},{"area":"Pharmaceutical and Biological Laboratory Technology","endDate":"2015-06","institution":"UC Leuven-Limburg (UCLL)","score":"magna cum laude (82.92%)","startDate":"2012-09","studyType":"Bachelor"}],"languages":[{"fluency":"Native","language":"Dutch"},{"fluency":"Fluent (C1)","language":"English"},{"fluency":"Intermediate (B1)","language":"French"}],"meta":{"canonical":"https://www.konverga.be/resume/","language":"en","lastModified":"2026-08-20","version":"1.0.0"},"projects":[{"description":"Python-based companion application for the KayakFirst Bull kayak ergometer, connecting over Bluetooth Low Energy to capture and visualise training telemetry.","name":"KayakFit — open-source Python application","url":"https://kayakfit.konverga.be"},{"description":"Designed and built the website for Sterke Stapjes, a paediatric physiotherapy practice.","name":"Sterke Stapjes — website design and build","url":"https://www.sterkestapjes.be"}],"skills":[{"keywords":["Microsoft Azure","Azure Data Factory","Azure Synapse Analytics","Azure SQL Database","Azure Functions","Azure Container Instances","Azure Batch","Azure Logic Apps","Microsoft Fabric","Databricks","dbt Cloud","SQL Server"],"name":"Cloud \u0026 Data Platforms"},{"keywords":["Python (Pandas, Polars)","PySpark","SQL","T-SQL","DAX","PowerShell","Bash"],"name":"Programming \u0026 Query Languages"},{"keywords":["ETL and ELT design","Apache Spark","Delta Lake","lakehouse and medallion architecture","data pipeline development","system integration","incremental loading","data migration","data quality","data governance","access control","performance tuning","API analysis and testing with Postman"],"name":"Data Engineering"},{"keywords":["Dimensional modelling","Kimball methodology","star schema","data warehouse design","semantic models","Power BI (Desktop and Service)","DAX optimisation","SSIS","SSAS","SSRS"],"name":"Data Modelling \u0026 BI"},{"keywords":["Azure DevOps","GitHub","Git","CI/CD pipelines","code review","testing","documentation"],"name":"DevOps \u0026 Infrastructure"},{"keywords":["SAP HANA","SuccessFactors","Odoo","Microsoft Dynamics 365 Business Central","EasyRedmine","Informatica PowerCenter","REST APIs","flat files"],"name":"Source Systems"},{"keywords":["Agile/Scrum","client-facing consulting","data assessments","business and technical workshops","roadmap definition","solution architecture","AI-assisted development"],"name":"Ways of Working"}],"work":[{"endDate":"","highlights":["Run data assessments end to end — kick-off meeting, business workshops and technical workshops, through to definition and presentation of the roadmap — with a strong focus on technical workshops and system integration.","Optimise and modernise data platforms across Microsoft Fabric, Databricks, Azure Data Factory and SQL Server.","Act as advisor and architect, helping organisations choose pragmatic, maintainable solutions that fit their team and their data.","Apply AI to accelerate business processes, code documentation, code generation and testing."],"location":"Belgium","name":"Cloubis (Cronos Group)","position":"Data \u0026 AI Engineer","startDate":"2026-01","summary":"Belgian data consultancy that helps organisations get more value from their data through assessments, modern data platforms and pragmatic architecture. Project-mode delivery and advisory for clients including Fernandes Group (Suriname), Global Furniture Group (US), Boortmalt (BE), BauWatch (BE), Merco Machines (BE) and FANUC (Luxembourg).","url":"https://www.cloubis.be"},{"endDate":"2026-01","highlights":[],"location":"Belgium","name":"Kohera (Cronos Group)","position":"Data Engineer \u0026 BI Consultant","startDate":"2020-01","summary":"Belgian IT consultancy focused on data solutions, business intelligence and database management on Microsoft technology. Delivered long-term client assignments alongside parallel project-mode and support engagements."},{"endDate":"2026-01","highlights":["Designed, implemented and maintained enterprise-grade data pipelines, ensuring reliable ingestion, transformation and storage across the organisation's data platform.","Delivered new system integrations and optimised and stabilised existing data flows, with a strong focus on data quality, security, access control, performance and timely delivery.","Supported the migration to a modern data platform and co-developed the company's first Microsoft Fabric proof of concept for HR reporting.","Collaborated closely with statisticians, data scientists and BI/reporting teams, enabling seamless integration with downstream applications."],"location":"Belgium","name":"D'Ieteren (client assignment via Kohera)","position":"Data Engineer, Data Platform Team","startDate":"2023-01","summary":"Importer and distributor of Volkswagen Group brands in Belgium, covering vehicle sales, parts, accessories and after-sales services, with broader activities across the mobility ecosystem."},{"endDate":"2022-12","highlights":["Designed and delivered an international sales dashboard used by managers and sales teams worldwide to monitor individual and global KPIs, serving as a core input for bonus calculations.","Integrated data from multiple enterprise systems, including Odoo, EasyRedmine and SuccessFactors.","Supported the organisation's cloud transition by provisioning and configuring early Azure resources."],"location":"Belgium","name":"Puratos (client assignment via Kohera)","position":"Power BI Consultant \u0026 Data Engineer","startDate":"2021-01","summary":"Global Belgian family-owned company that develops, produces and distributes ingredients for the bakery, patisserie and chocolate industries."},{"endDate":"2026-01","highlights":["Developed and improved Power BI reports for accounting, CRM and ESG data.","Built star-schema data warehouse models following Kimball principles.","Ingested diverse data sources ranging from SQL tables (for example telephony reporting) to custom APIs (for example timesheet registrations).","Played an active role in architectural and technical decisions, including designing an Azure Synapse Analytics architecture for CRM and Business Central reporting that balanced user requirements, budget and timelines.","Contributed to migrations from Informatica PowerCenter to dbt Cloud and Databricks.","Optimised existing workflows and frequently updated or created Azure Data Factory pipelines and SQL Server code."],"location":"Belgium","name":"multiple clients (client assignment via Kohera)","position":"Data Engineer \u0026 BI Consultant — project mode and support","startDate":"2020-01","summary":"Managed multiple client projects in parallel, delivering new initiatives, resolving platform issues and performing data migrations alongside long-term assignments. Clients included Cronos Group, Boortmalt, Stad Kortrijk, VOKA, House of HR, VAB, D'Ieteren, Talentbay, Shurgard and Puratos."},{"endDate":"2020-01","highlights":[],"location":"Belgium","name":"Advipro","position":"Consultant","startDate":"2017-01","summary":"Specialised consultancy and engineering firm providing technical support, advice and project management to the pharmaceutical, biopharmaceutical, medical and high-tech sectors."},{"endDate":"2020-01","highlights":["Responsible for data analysis and automation, quality and change management, data integrity, and the creation and testing of new measurement methods."],"location":"Belgium","name":"Pfizer (client assignment via Advipro)","position":"Project Engineer","startDate":"2018-01","summary":""},{"endDate":"2018-01","highlights":["Contributed to the Equipment Engineering and Manufacturing Science \u0026 Technology (MS\u0026T) teams by developing procedures, executing equipment and shipping validations, and managing quality processes such as change control, deviations and CAPA (corrective and preventive actions)."],"location":"Belgium","name":"Alcon, a Novartis company (client assignment via Advipro)","position":"Qualification Engineer \u0026 Junior Product Steward","startDate":"2017-06","summary":""},{"endDate":"2017-06","highlights":["Performed cleanroom environmental monitoring by conducting measurements, processing data and reporting results for microbial surface and air samples, and for airborne particle counts."],"location":"Belgium","name":"MSD (client assignment via Advipro)","position":"Test \u0026 Qualification Engineer","startDate":"2017-01","summary":""}]}