JavaScript Experts in Leipzig

Further development of a software solution for managing audit applications and audit notifications according to §106d SGB V for the Association of Statutory Health Insurance Physicians in Hamburg.

• Developed numerous features, optimised performance, refactored code and analysed errors
• Refactored the development container setup
• Optimised the Gitlab-CI build pipeline
• Introduced improvements to the team workflow

• Tech stack: Python, Qt, tensorflow.js, plotly, Angular, TypeScript, HTML, CSS, Git

• Extension of OSGi modules in a complex communication solution
• Debugging communication with Wireshark and remotely in the JENS test environment
• Migration of tests from TestNG to JUnit 5 with Mockito and AssertJ
• Updating vulnerable dependencies and improving code quality
• Changes to the Vaadin frontend
• Increasing test coverage

• Development of a B2B shop based on Magento 2
• Plugin research and implementation, e.g. individual prices per customer
• Implementation of custom adjustments
• Quality assurance
• Release management
• Collaboration with the marketing team
• Technologies: Magento 2, CSS, Javascript, PHP, Docker, Git

• Lead programmer, architect and deputy product owner
• Completed transition from zPDV to STEP
• Ensured quality of C++ and Perl sources through automated and manual checks
• Supported resolution of incidents and errors in testing
• Implemented batch for supplementary assignment of payment run numbers
• Implemented batch for distribution of SGB 2 information to the central payment unit
• Supported replacement of Solaris with Linux
• Upgraded gcc from 7.4 to 9.3
• Programmatically generated Makefiles from Borland projects for builds
• Extended funding data with new attribute “Kennzeichen Fahrtkosten Praktikum”
• Programmatically generated XSD and WSDL files from IDL definitions
• Represented the product owner when needed
• Implemented batch for one-time payment processing
• Developed generator for Liquibase files
• Implemented and maintained regular anonymization of production data
• Supported migration from SLES 12 to SLES 15
• Supported introduction of mutual TLS
• Implemented batch for sending deletion impulses to EDA BE
• Organized script directory structure
• Investigated potential introduction of String-Latin and implemented minimal solution
• Remediated security findings identified by CheckMarx
• Supported PAP recalculations and general change notices
• Converted ERP interfaces from SOAP to REST
• Planned technical and business topics such as register modernization, cash register security, training costs, four-eyes principle

• Full-cycle documentation creation, maintenance and submission: from kickoff, content research, document creation and translation management to final delivery
• Conduct project-related research on documentation-relevant standards, guidelines and regulations to ensure legal security and valid results
• Create documents such as operating, assembly and software manuals, as well as online help and infographics
• Develop risk assessments based on Annex I of the Machinery Directive and compile requirements from relevant standards, directives and laws
• Prepare all necessary CE documents: risk assessment, nameplate and declaration of conformity
• Work closely with all departments involved to ensure CE compliance

• Development of an iOS app that combines public transport and sharing services
• Collaboration according to Scrum in a large cross-functional team
• Creation of reusable components with SwiftUI and Combine
• Development of a custom solution for Apple Maps

• Maintenance and system handover
• Planning and carrying out core and plugin updates
• Developing a plugin to extend invoice creation and payment via Flow Builder

• Rule-based software for managing, planning, and providing promotional materials in the pharmaceutical industry

• High performance, high availability

• Fullstack, DevOps (CI/CD)

• Python, PostgreSQL, Vue.js, Typescript, Docker, Docker-Compose, Nginx

• Successfully transformed old Excel-based processes into an optimized product that has been in production since 2024

• training and official certification as Certified Kubernetes Application Developer
• open-source development and documentation in a personal project
• keeping updated about cloud native and AI technologies through courses and books
• Tech: Kubernetes, Docker, Typescript, Node.js

• Led the development of a complex geospatial data platform, engineering an end-to-end system for processing and analyzing high-resolution aerial imagery.
• Engineered a scalable backend responsible for on-the-fly map tile serving and running complex data analysis queries using PostGIS and Python.
• Developed and trained custom computer vision models using Python, PyTorch, and YOLOv8 to perform object detection and segmentation on large-scale datasets.
• Built modern, responsive user interfaces and data visualization dashboards using Next.js, TypeScript, and React.
• Gained practical expertise in geospatial libraries such as GDAL and Rasterio for processing and manipulating raster and vector data.
• Managed the entire project lifecycle, from initial technical architecture and database design to final deployment using Docker.

• Developed a fully local, privacy-friendly RAG chatbot for querying PDFs containing both text and tables.
• Enabled semantic search across multiple documents and built a user-friendly Chainlit UI with rating (1–5) and feedback functionality.
• Designed a reward model for fine-tuning the LLM based on user feedback.

• Took over management of the company