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Portfolio

Selected
work.

Enterprise01

Siemens — Enterprise Integration

BuildingX Platform Connector

Development of a production-ready connector for the Siemens BuildingX IoT platform via Mendix. The project involved complex Java implementation, layered REST API integrations and a custom sample application demonstrating the platform's full functionality and use cases to enterprise customers.

JavaMendixREST APIIoTEnterprise
Engineering02

StrateX — Back-end Engineering

Workforce Management System

Responsible for the full back-end development of a Workforce Management System. Database schema design, RESTful API implementation and collaboration within a professional engineering team. Focus on scalability and reliability of the data layer.

Back-endREST APIDatabase DesignTeam
Product03

StudyBuddy — Product Development

Student Matching Platform

Concept and development of a student matching application. Students find local peers based on shared courses, location and availability — with a swipe interface and direct chat upon matching. Fully owned product, from architecture to UX.

ProductMobileMatchingFull-stack
Automation04

ProAspect — Business Automation

Freelancer Invoicing Automation

Custom automation tool that processes weekly freelancer timesheets and automatically generates invoices for clients. Eliminates manual work in the administrative process — from CSV upload to sent PDF invoice.

AutomationFinancePDFAdmin
Compliance05

International Parcel Carrier — Regulatory Integration

Cross-Border Customs Compliance Service

Built the service responsible for EU pre-arrival customs compliance on a subset of an international parcel carrier's cross-border volume. It ingests pre-departure shipment data, determines which parcels fall under the regulation, and polls the customs data provider for a clearance status within a fixed time window — feeding the result back into the carrier's own sorting decision.

Customs ComplianceEvent-DrivenAWSNode.jsEnterprise
Platform06

National Pet Information Platform — Digital Platform

Member Accounts, Webshop & Content Platform

Contributed to a national pet-care information platform's move from static content into a full membership product: secure member accounts, an integrated webshop, and a content model flexible enough for the editorial team to extend on their own.

AuthenticationCMS.NETContent Platform