•	Planned and executed the deployment of a cloud-based ticket management system tailored for alarm and surveillance systems installers, boosting productivity and reduced ticket resolution time by 25%.•	Engineered Python and Go ETL pipeline scripts automating inventory updates, synchronizing online marketplace catalogs, resulting in a 40% reduction in manual data entry tasks.•	Directed the migration of ETL scripts from a Linux server to an on-premises Windows server, leading to a 25% increase in data throughput.•	Authored the migration of applications to Microsoft Azure infrastructure, enhancing scalability and reliability; reduced downtime by 30% and improved system response time by 20%.

Full Stack Engineer

•	Managed Node.js backend services within the core platform team, overseeing day-to-day ticket assessment and resolution as part of clinic duty.•	Played a pivotal role in the maintenance and enhancement of Wikipedia’s Node.js backend services, troubleshooting event-propagation issues using Redis and Kafka.•	Led the redesign of the data snapshot pipeline, optimizing data processing and storage mechanisms to enhance scalability and performance.•	Influenced the integration of Vue.js into Wikipedia’s front-end, enhancing user experience and interface functionality.•	Developed a Python-based tool to streamline the updating of Cassandra settings using YAML files, improving configuration management efficiency, and facilitating smoother operations.

Software Engineer

•	Designed and implemented geospatial web applications in C# to bolster field workforce productivity, showcasing proficiency in software architecture and development methodologies.•	Migrated internal applications from the company’s data center to AWS.•	Orchestrated the development of RESTful APIs in Python and C# to optimize system integration and interoperability for subsidiaries; delivered a 50% reduction in data transfer latency and a 20% increase in overall system performance.•	Integrated NoSQL databases, such as MongoDB, into the existing SQL Server and Postgres ecosystem, optimizing data storage and retrieval capabilities while preserving data integrity.•	Created an Angular app for HR data lookup, initiating a React-based rewrite of an internal ASP.Net application, and overseeing the migration of applications to AWS.

Senior Software Engineer

•	Developed self-service websites in C#, .NET and SQL for sister companies, facilitating efficient access to essential resources and services.•	Enhanced the maintainability and functionality of exiting websites through comprehensive redesign efforts, optimizing user experience and streamlining backend processes.•	Managed and improved a VB6 CRM application, while also designing and implementing custom T-SQL scripts for data conversion and reporting purposes, demonstrating versatility in both legacy and modern technologies.

Senior Programmer

•	Led the development of ASP.NET solutions for higher education institutions, leveraging Visual Studio 2003, VB.NET, Infragistics NetAdvantage, Crystal Reports, and SQL Server 2000, ensuring alignment with client requirements and industry standards. •	Designed custom VB.NET components to enhance functionality and efficiency, both for in-house use and project-specific requirements, demonstrating a keen understanding of software design principles and development best practices. •	Delivered robust access controls to provide fine-grained control over user permissions, ensuring data security and confidentiality in accordance with regulatory standards.

Team Lead

Holger Knust

pythonGrid is an easy way to create a fully working datagrid for Python web framework that connects to a relation database such as Postgres or MySql/MariaDB database. 

Personal details

Holger K.

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