Benedict Weichselbaum

Curriculum Vitae

Data engineer and BI consultant with roots in professional software engineering, building BI data pipelines with a growing focus on AI-driven systems (MCP servers, agentic AI). My consulting work also gives me experience in direct customer contact.

Benedict Weichselbaum

Professional Experience

01/2025 – Present
Founder & Developer
Individual business
  • Independent development (SwiftUI) and sale of GrainForge, a macOS app for inverting analog film scans.
  • Run as a side business alongside my main occupation, sold via grainforge.de.
07/2024 – Present
Data Engineer & BI Consultant
Bissantz & Company GmbH · Hybrid
  • Building and maintaining ETL pipelines and data warehouses for four clients with differing source systems (SAP R/3 and S/4HANA, SAP S/4HANA Cloud Public Edition, IFS).
  • Developing production planning solutions for cost-centre and sales planning that run in annual use.
  • Accompanying two SAP migrations to S/4HANA — with a BI rebuild and REST-based data extraction for S/4HANA Cloud Public Edition — while keeping BI operations running throughout.
  • Independent operational and customer support for ETL pipelines and the in-house DeltaMaster frontend.
  • Piloting AI-assisted data processing: connecting third-party systems to a large language model via an MCP server to reduce manual analysis.
06/2023 – 06/2024
Software Engineer
DATEV eG · Nürnberg
  • Developing cloud-ready microservices in accounting (Java / Spring Boot) for tens of thousands of customers.
  • Deployment, operation and monitoring of the services with Jenkins, Cloud Foundry and Splunk.
  • Part-time until 02/2024 alongside my parallel master's study program.
10/2018 – 05/2023
Dual Student | Working Student in Software Development
DATEV eG · Nürnberg
10/2021 – 09/2023
Supervisor for Student Research Projects
DHBW · Campus Horb
  • Supervision and grading of student research projects in the field of graph theory.

Education

10/2021 – 01/2024
M.Sc. in Computer Science
FAU Erlangen-Nürnberg
  • Focus: Data Classification, Knowledge Discovery in Databases, Software Architecture, Computer Graphics.
10/2018 – 09/2021
B.Sc. in Computer Science
DHBW · in cooperation with DATEV eG

Skills

Data Engineering & BI

T-SQLPythonMDXMicrosoft FabricMS Analysis ServicesMulti-dimensional Modelling

AI & Agentic Systems

Claude Certified Architect – FoundationsModel Context Protocol (MCP)

Software Development

JavaSpring BootSwiftUIMicroservices

DevOps

GitAzure DevOpsCloud FoundrySplunk

Languages

GermanNative
EnglishBusiness fluent