Freelancer profile translated to English.
Back to original languageAbout Manuel
I develop custom software solutions - from interfaces (APIs) to microcontroller programming.
I place the highest value on stability and efficiency for 24/7 use of my software.
Desktop Software Key Features:
- Communication (TCP/IP, SOAP, Serial/USB)
- Encryption (e.g. SSL)
- API integrations (e.g. payment systems)
- Multitask/Multithread
- Queue Handling
Microcontroller Key Features:
- true multitasking even on weak hardware
- interfaces like UART, USB, I2C (e.g. small OLED display)
- Communication with SmartHome Devices
- true random functions (not always the same on every device start)
- Saving settings (EEPROM)
German
Native or bilingual
English
Conversational
Remote only
Primarily works remotely
Experience
- SelbstständigWeb DevelopmentTELECOMMUNICATIONSSeptember 2025 - Today (11 months)Schiffweiler, GermanyI started as a freelancer developing websites for myself and now also for clients.
- Gubse AGPermanent position as Application Developer in the field of InterfacesSOFTWARE PUBLISHINGJuly 2014 - August 2024 (10 years and 1 month)Schiffweiler, GermanyFor over 10 years, I was responsible for the connection, maintenance, and further development of all kinds of external systems.- Payment systems- Booking systemsTherefore, IT security and data protection are a matter of course for me.In addition to connecting external APIs, I have also developed, maintained, and supported my own connections. This has given me a good understanding of what is really needed.Languages: C++, C#, Java
- SelbstständigMicrocontroller DevelopmentENTERTAINMENT AND LEISUREJanuary 2018 - Today (8 years and 7 months)Schiffweiler, GermanyDevelopment of small systems with Arduinos and STM32 controllers.- Custom alarm system for vehicles (mobile notification, horn, motion detector, vibration sensors)- SmartHome integration of electronics not typically capable of SmartHome(Anything that can be controlled with buttons can also be controlled by me with a microcontroller)- Intelligent automatic switching system for model making- Various custom LED gadgets. (Tetris or Snake on LED matrix, intelligent lighting of a model making setup)
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Education
- Training as an IT specialist for application developmentGubse AG2016Ausbildung zum Fachinformatiker für Anwendungsentwicklung
- Studied Chemistry BachelorUniversität des Saarlandes2014Studium Chemie Bachelor