• Carried out and supervised the installation of a school computer room with 35 PCs 🖥️ • Connected the computer room to the internet by configuring two directional antennas and the Wi-Fi 📶

• Proposed a simplified BZSt-Online-Portal (web portal of the German Federal Central Tax Office — “BZSt”)

Advised a global pharmaceutical company on the development of a holistic IT strategy based on detailed value creation estimates and cost benchmarking 💊• Analyzed the design, setup, and plan for an IT Shared Services Center• Analyzed hosting types across all (1,000+) software applications for various functional IT areas and identified opportunities for cloud migration ➡️ ☁️• Evaluated interviews with key business stakeholders on IT-business partnership• Performed quantitative and qualitative skill-gap analysis along key tech capabilities 📊• Researched over 100 technology use cases along the pharmaceutical value chain and summarized the results in a heat map• Derived strategic insights and prepared CIO-level presentations

Search Optimization Service 🔍• Added support for SQL IN lists, nested conjunctions and disjunctions, and LIKE for string matching, speeding up thousands of queries per day (reducing runtime by up to 98.5% on a 500 GB table and running in parallel on 16 servers) ⏱• Investigated and implemented extensive correctness testing for different text encodings (UTF-8, UTF-16, UTF-32) ✅

Conversational AI Team 🤖💬• Visualized named-entity recognition on sample utterances to enable non-technical developers to train chatbots• Reorganized back-end API to accept and cache batch calls, reducing response time by more than 95%• Proactively designed website wireframes to standardize UI and guide front-end developers