Holger Knust

• 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%.

• 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.

• 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.

• 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.