Mellow Gregor Keller

Developed ETL software and data flows for integrating company data into an EHS platform and designed algorithms for matching hazardous materials to international norms and standards based on their ingredients. Also I managed stakeholder relationships and fulfilled functionalities of a Scrum Product Owner. I provided technical leadership to employees, oversaw release management, and handled customer communication and requirement processing.

Software engineering and development, data integration, and the design and implementation of IT infrastructure for small to medium-sized enterprises. Release-management, projects in Scrum (developer role, partly Scrum Master functionality), it consulting.

In my role as Web Development Consultant, I oversaw IT infrastructure, coordinated software projects across departments, contributed as a Scrum developer to support CRM integration and served as the technical lead for team members. Also I was responsible for software design and commissioning the development of related products and participating in committees to make decisions on hiring employees and agencies, budgeting, project design, technical event support, and providing on-site technical training.

Developed a Java-based application for managing tracking devices, visualizing their data, and integrating communication protocols to enable device-to-application communication via satellite networks. Overhauled the company’s web presence and implemented a company-wide IT infrastructure.

Software engineering and development, data integration, and the design and implementation of IT infrastructure for small to medium-sized enterprises.

Developed front-end interfaces and designed algorithms for data synchronization in web applications, enabling seamless time tracking for employees in offline environments.

Founded, managed, and actively worked in a non-profit social kitchen dedicated to providing meals for homeless individuals, funded entirely through donations. Responsibilities included legal and event management, volunteer coordination, location scouting, marketing, resource allocation, team motivation, cooking, and fostering connections within the community.

Providing educational support in English and mathematics to children and teenagers aged 6 to 18 during after-school programs. Leading the technical reconstruction of a computer school and delivering foundational IT education. Actively supporting and contributing to local community initiatives. Temporarily managing the local project as deputy project leader for two months.

Software-Engineering and development for in-house products in Coldfusion, scripting of data-transfer management processes, development with Drupal of web-platforms, accessibility focused design and development of e-learning software.

Development of Typo3 modules and content-integration for customers. Also development of small applications in Java with SWT.