Dennis Shushack

Junior AI Solutions Engineer & Data Scientist at Hostpoint AG specializing in GenAI.

📍 Hedingen, ZH 📧 shushackd@gmail.com 📱 079.664.24.80
🇩🇪 German (Native) 🇺🇸 English (Fluent)

Key Strengths

A balance of hands-on engineering, research mindset, and clear stakeholder communication.

Ability to Deliver

Rapidly master new technologies and deliver stable solutions quickly.

Focus on Delivery

Ensure on-time, high-quality delivery backed by comprehensive documentation and seamless handovers.

Strong Technical Knowledge

Proven AI & Data Science skills, delivering solutions from first prototype through production.

Business–tech alignment

Communicate complex technical solutions clearly to business stakeholders.

Expertise

AI & Machine Learning

GenAI & LLMs RAG Pipelines Python PyTorch NLP Computer Vision LoRA / Fine-tuning LangChain

Data & Infrastructure

SQL (Postgres/Maria) Docker & Containers FastAPI Vector Databases Linux / BSD Git / CI/CD

Competencies

Project Management Business-Needs Analysis Strong Technical Design Skills Risk Assessment Ability to Work under Pressure Analytical Thinking Proven Ability to Learn Leadership Ability Teamplayer

Work Experience

Okt 2025 - Feb 2026
Junior AI Solutions Engineer (Contract)
Hostpoint AG

As Team-Lead, I evaluated and implemented a Proof-of-Concept AI chatbot for customer support by engineering an end-to-end RAG pipeline. In addition, I established a comprehensive evaluation framework to ensure measurable quality and risk analysis. The role also involved identifying further AI enhancement strategies and demystifying AI technology for non-technical personel.

Jul 2020 - Okt 2025
Customer Care Consultant (Student)
Hostpoint AG

Working directly with customers to resolve complex web-hosting, email, and DNS questions and issues.

Jun 2021 - Sep 2021
Internship Project: E-Mail Security
Hostpoint AG

Contributed to improving the email security architecture with a focus on spam prevention mechanisms.

Jun 2019 - Aug 2019
Student Project / Developer
OSC GmbH

Developed a mobile extension for an existing database application (FileMaker) specifically for iPad usage.

Dez 2014 - Aug 2015
Sergeant Major
Swiss Armed Forces

Leading a troop of over 150 soldiers in the area of service and logistical operations. Responsible for leading and motivating teams in high-stress environments.

Academic Highlights

Click for more information on each project.

Master Thesis: GraphRAG Framework

Julius Bär
Grade: 5.5

Improved Retrieval-Augmented Generation (RAG) for financial documents by integrating knowledge graphs into LLM pipelines. Built a scalable framework that combines vector search with graph-based retrieval. Details are not available online, due to NDA.

Knowledge Graphs LLMs GenAI

Satellite Crop-Field Segmentation

ETH Zurich
Grade: 5.5

Developed a deep-learning segmentation model to automatically detect agricultural parcels in satellite imagery. Built a visualization platform to analyze and validate the results.

Deep Learning Computer Vision Segmentation

Privacy-Preserving Healthcare AI

Ostschweizer Fachhochschule (OST)
Grade: 5.5

Built a privacy-preserving ML training framework for sensitive patient data using federated learning and differential privacy. Applied it to heart rhythm disorder detection.

Federated Learning Differential Privacy Medical Data

Bachelor Thesis: Ransomware Detection

University of Zurich (UZH)
Grade: 6.0

Developed an AI-based framework to detect ransomware on resource-constrained Linux devices. Published in Computers & Security.

IT Security Linux AI Classification

Education

Feb 2023 - Okt 2025
Master of Science in Engineering (MSE) in Data Science
Ostschweizer Fachhochschule (OST)

Average Grade: 5.5

Sep 2018 - Okt 2022
Bachelor of Science in Computer Science
University of Zurich (UZH)

Average Grade: 5.0

Sep 2015 - Aug 2018
Studies in Mathematics and Business Chemistry
University of Zurich (UZH)
Dez 2014 - Aug 2015
Military Service as Sergeant Major
Swiss Army
Aug 2007 - Jul 2014
Bilingual Matura (German/English)
Kantonsschule Limmattal