Mark Dissel

Project: Cloud Migration Platform

• Developed backend components for a tool supporting cloud migration strategies for clients.
• Responsible for implementing new features in Java with Spring Boot and Hibernate.
• Improved API performance, handled database auditing and filtering logic.
• Wrote unit tests (JUnit, Mockito) and worked with CI/CD pipelines in Azure DevOps.

Main technologies: Java, Spring Boot, Hibernate, SQL Server, Azure DevOps, JUnit

Project: Community Market R&D Demo

• Contributed to a microservices-based demo app for a smart community market concept.
• Developed REST APIs and backend logic for prediction and review services.
• Helped with integration testing and deployment using Docker and Kubernetes.
• Participated in team demos and collaborated with testers and product owners.

Main technologies: Java, Spring Boot, PostgreSQL, REST APIs, Docker, Kubernetes, Robot Framework

Project: Investment Cluster Analysis Platform

• Built a Laravel web app that visualized data about investor clusters.
• Developed a custom Chrome extension for scraping financial data.
• Processed and stored data in MySQL, used for front-end visualizations.
  Although PHP was used on the frontend, data handling and structure knowledge supported future Java migration.

Main technologies: Chrome Extension (JavaScript), MySQL, Laravel (PHP)

Project: Customer Lifetime Value (CLV) Tool

• Designed a prototype tool to analyze and predict customer value using RFM and clustering.
• Used Python for logic, and created a basic interface for business users.
• Worked independently from concept to working MVP, with team reviews.

Main technologies: Python, KMeans, RFM, MySQL

Project: CLV Proof of Concept
• Developed a proof of concept tool to estimate Customer Lifetime Value based on transaction history.
• Used PostgreSQL for data storage, and Python to calculate customer segmentation.
• Gained first experience bridging business goals with backend logic.
Main technologies: Python, PostgreSQL, KMeans, RFM model

Project: Website Maintenance & Builds

• Assisted in designing and maintaining websites for clients.
• Worked on layout, styling and simple PHP logic for websites
• Collaborated with a small team and translated client feedback into site improvements.

Main technologies: HTML, CSS, PHP, Javascript