About Me
I'm Robert Lange, a senior software developer with over 15 years of experience building modern web and backend systems.
I support companies and public institutions with accessible, scalable, and maintainable digital solutions.
Key Skills
- PHP (CakePHP, Symfony, Laminas, Zend)
- C#, .NET Core
- Unit and Integration Testing
- WordPress & Typo3
- Accessible UI (WCAG, BITV compliance)
- REST APIs, MySQL, MSSQL
- Docker, Kubernetes, GitLab, CI/CD
- n8n & Flowise automation
- Payroll and Accounting
- Portfolio Management and Asset Pricing
Languages: German (native), English (fluent), Russian (intermediate)
Work Experience
University Library Leipzig
Senior Software Developer at
Finc Library Consortium
PHP (Laminas, Symfony), Accessibility
March 2019 – Present
Assisto (Freelance)
PHP & C# Development
Nextbike (Freelance)
PHP API Development
bfw – Company for Education (Freelance)
Lecturer for Databases
Sage
Software Developer for online payroll systems
Feb 2013 – Feb 2019
Axpo Germany
Portfolio Management and Minimum Reserve
July 2012 – Aug 2015