HEXLE LZE – SaaS Time Tracking System
HEXLE LZE is a web-based SaaS application for managing working hours across projects, customers, and employees. The system provides a centralized, structured overview of time data and supports efficient tracking and evaluation of work activities.
Today, HEXLE LZE is an active part of the HEXLE application ecosystem, receives regular feature updates, and communicates with the central HEXLE REST API.
Role & Responsibilities
Developer
As part of the development team at HEXLE Development & IT Solutions e.U., I was responsible for the development, maintenance, and ongoing evolution of the HEXLE LZE system.
Core Technologies
- PHP
- HTML, CSS
- JavaScript
Integration & Architecture
- Web-based SaaS architecture
- PHP backend for business logic and persistence
- JavaScript-driven frontend for interactive workflows
- Integration with the central HEXLE API for shared authentication, data exchange, and ecosystem-wide consistency
- Part of a modular, multi-application SaaS ecosystem
Key Contributions & Impact
- Developed and maintained core features for time tracking across projects, customers, and employees
- Integrated the application with the central HEXLE API, enabling standardized communication across products
- Improved long-term maintainability and interoperability within the HEXLE ecosystem
- Contributed to continuous feature development and iterative system improvements
- Ensured reliable daily operation through ongoing maintenance and bug fixing
Learnings & Takeaways
- Practical experience building and evolving SaaS applications with PHP
- Hands-on knowledge of API-based system integration in a multi-app environment
- Deeper understanding of scalable business logic and shared backend services
- Experience maintaining product quality in continuously evolving SaaS systems