Fabian Rensing

Software Engineer

Currently

Software Engineer at Finanz Informatik.

About

As a software engineer I am dedicated to develop innovative solutions and work on technologies that simplify life. Working in a team with people from various backgrounds is important to me, as the best progress can only come from diverse collaboration. My experience ranges from working in companies and research groups to organizing holiday camps for children. In my work I excel in analytical problem-solving thinking and being able to comprehend and explain complex concepts both in technical and simplified terms.

Experience

Sep 2024 - now Software Engineer Finanz Informatik

• Software development in the context of the business customer portal
• Technical responsibility for the development of new features and the maintenance of existing functionality

May 2023 - May 2024 Research Assistant Empirical Software Engineering (UH)

• Fulltime position
• Setup of internal ML model pipelines and supporting infrastructure for EU project Vessel-AI
• Research vessel fouling estimation and hull cleaning detection from on-board sensor data

Aug 2022 - Oct 2022 Student Staff Data Science Group (DICE)

• Continuing development of open-source benchmark platform BASILISK
• Design and implement rework of core functionality for open-source benchmark framework IGUANA

Mar 2021 - Aug 2022 Student Staff Fraunhofer IEM

• Feature development for open-source IdP KeyRock, design of corporate design and deployment and configuration of internal test instance
• Setup and configuration of Jupyter Hub instance using Docker and Kubernetes for internal use by colleagues

Apr 2020 - Jul 2020 Tutor Data Structures and Algorithms Course at UPB

• Teaching weekly classes, explaining exercises, solving student understanding problems

Sep 2018 - Mar 2019 Student Staff viadee Unternehmensberatung AG

• Analysing client domain and development of testing routines for client in the financial sector

Feb 2018 - Aug 2018 IT Consultant viadee Unternehmensberatung AG

• Conception, development and testing of a work time planning software for a client in the telecommunication sector

Sep 2015 - Jan 2018 IT Specialist for Application Development

• Shortened apprenticeship because of outstanding Grades, Deutsche Telekom AG
• Development of internal reporting website visualizing important key figures for the management of the department.
• Data aggregation and presentation from different data sources and colleagues for various requests and presentations

Education

Sep 2022 - Aug 2024 M.S., Computer Science University of Helsinki

• GPA 5 (Finnish grading system)
• Software Track

Aug 2020 - Dec 2020 Erasmus Exchange Semester University of Helsinki

Oct 2018 - Aug 2022 B.S., Computer Science Paderborn University

• GPA 1.7 (German scale)
• Business informatics minor

Awards

2020 Heinz-Nixdorf Elite Program Member Paderborn University

• Computer Science Faculty, Paderborn, Germany

Skills

Problem solver, Critical thinking

• quick comprehension and familiarization in new subject domains
• being able to explain concepts on technical level, but also in simplified terms

Languages

• German - Native Language
• English - C1, Toefl iBT score 111/120 (18.12.2021)
• Finnish - A1.1

Technical Skills

• Java, Spring (Boot), Clean Code, Gradle, Maven
• Javascript, Node.js, React
• Python, Django
• SQL, mostly worked with ORACLE SQL
• MongoDB
• Git, GitHub, collaborating in Teams
• Docker, Docker Compose
• Experience with Kubernetes, Azure, AWS
• HTML, CSS

Personal

• Citizenship: German
• Residence: Helsinki, Finland

Interests

• Bouldering, cycling, reading, listening and collecting music
• Building and flying racing drones

Volunteering

2014 - 2022 Organization and team leading at local holiday camp for children aged 10 - 15

Last updated: Feb 2026