The people behind reliable data solutions.

ONECEPT stands for data architecture, integration, business intelligence and modern automation. The work combines strategic understanding with technical depth.

Elija Lechner

Founder of ONECEPT GmbH

Elija Lechner connects enterprise data architecture, business intelligence and data strategy with the development of modern hub systems. His focus is to bring data, applications, knowledge systems and business processes together in sustainable platforms.

Enterprise Data ArchitectureHub systems & data strategyBI & data quality

Experience from enterprise projects with Fujitsu, Mediashop, VBV, Porsche Konstruktionen, Otto Group and other organizations.

MSSQL Server, SSIS, SSAS, Power BI, MS Fabric, Talend, Python, T-SQL, C#

Karl Forstner

Managing Director · Software Development & Data Engineering

Karl Forstner combines technical strategy with modern software development and data engineering. His focus is on clear architectures, reliable data flows and digital solutions designed for sustainable growth.

Technical strategySoftware developmentData engineering & integration

Focused on custom B2B applications, platform architectures and the integration of existing systems.

.NET, C#, Python, Elixir, Blazor, Angular, Next.js, React, PostgreSQL, Microsoft SQL Server, Azure, Docker, APIs

Kevin Lang

Data Engineering, Machine Learning & AI Integration

Kevin Lang works on the technical processing, structuring and integration of enterprise data. He develops modern data processes, data pipelines and automation solutions, combining classic data engineering with AI-supported approaches.

Data EngineeringML & AI IntegrationAutomation & Governance

Project references in data and integration processes around Mediashop, Fujitsu, VBV X-Ray and internal ONECEPT data and AI concepts.

SQL, Python, Bash, C#, Azure Data Factory, Azure Synapse, Airflow, dbt, Terraform, MLflow, Databricks, Power BI, MSSQL

Would you like to know how ONECEPT structures a data project?

Get in touch