# Lars Hanisch (@flensrocker.de)

Profile: https://sifa.id/p/flensrocker.de
Headline: Learning is Fun & Profit

## About

Developer & Architect on .NET and Angular

## Career

- **Senior Software Developing Engineer at D.velop** (Oct 2026 - Present)
  Full-time · Remote
- **Co-Founder/Developer at SmartDirex GmbH** (Mar 2019 - Present)
  Self-employed
  Provides a SaaS for organizations which provide private lessons for students/pupils; management of given lessons; invoicing students; accounting for the teachers
- **Software Architect at PARITY Software GmbH** (Nov 2024 - Aug 2026)
  Full-time · Hybrid
  PARITY Software GmbH bought B-soft GmbH & Co.KG in 2024, all employees got transfered. Focus is on merging the teams and build a new platform for the next generation ERP system.
  
  Lead a team of six developers.
- **Software Engineer/CTO at B-soft GmbH & Co. KG** (Oct 1999 - Oct 2024)
  Full-time · On-site
  \- 1994: Started as an intern
  \- 1999: Rejoined the company as employee
  \- 2005: Shareholder (1 of 3) and CTO
  \- 2024: Sold the company and joined buyer
  
  Windows Desktop applications (Win32/C++) with focus on accounting, billing, inventory management; Migration to C#/.NET Framework with WPF/WCF and later on "modern" .NET using ASP.NET Core, Entity Framework Core and Angular (SPA frontend).
  
  Experienced in long term maintaining software products (>20 years running in production).
  
  Lead a team of three developers.
- **Software Developer at debis Systemhaus GEI GmbH** (Mar 1998 - Sep 1999)
  Full-time · On-site

## Skills

### Technical
- .NET Framework
- Angular
- ASP.NET Core
- C#
- C++
- Databases
- Microsoft SQL Server
- PL/SQL
- PostgreSQL
- PowerShell
- TypeScript
- Windows Administration
### Other
- Entity Framework Core
- WCF
- Win32-API
- WPF

## Education

- **Fachhochschule Flensburg** — Diplom, Applied Mathmatics (Sep 1993 - Jan 1998)

## Languages

- German (native)
- English (professional working)

## Links

- activitypub: https://troet.cafe/@flensrocker
- bsky: https://bsky.app/profile/flensrocker.de
- github: https://github.com/flensrocker