10/08/2025 updated
100 % available
Senior Systems Integration Developer
Szczecin, Poland
Worldwide
About me
For 20 years, I have been creating web applications, systems, and websites that actually work. I connect different systems, automate business processes, and build e-commerce solutions. I have worked with companies of all sizes, from small start-ups to large corporations
Vehicle Fleet ManagementAutomationBusiness To BusinessCustomer Relationship ManagementBusiness EfficiencyBusiness Process ImprovementConversion MarketingExtract Transform Load (ETL)Data QualityData SynchronizationWeb DevelopmentE-CommerceEnterprise Resource PlanningFurnishingGlobal Positioning Systems (GPS)
Senior Systems Integration Developer, where my experience in web application development and systems integration came into full play.
Key achievements and impact
ERP process optimisation: I designed and implemented the integration of the ERP system with key logistics modules, resulting in increased operational efficiency and a reduction in manual errors.
Scalable B2B e-commerce platform: I created a comprehensive e-commerce platform handling over 10,000 transactions per month, integrating the warehouse system, online payments and pricing mechanisms.
Advanced data synchronisation: I developed a solution for synchronising CRM with the accounting system, ensuring data accuracy and eliminating duplicates.
IoT and GPS in fleet management: I implemented a vehicle monitoring system using IoT and GPS, which reduced fuel costs by optimising routes.
Interactive 3D configurator: I designed and implemented a 3D product configurator in an online store, which increased the conversion rate.
ETL automation: I built an ETL pipeline processing 1 GB of data per day between eight systems, which improved information flow and accelerated reporting.
Furniture store mobile app: I led the development of native Android/iOS apps with warehouse and logistics API integration, which reduced order fulfilment times and decreased returns.
Experience
Professional experience10+ years
Freelancer since2024
Languages
DanishGoodGermanGoodEnglishNative speakerDutchGoodNorwegianGood