Johannes Leyrer
My profile
- More than 5 years of hands-on experience in software development
- Deliver high quality software solutions to customers and internal production environments
- Strong analytical and problem solving skills
- Hands-on experience with SQL and NoSQL databases (PostgreSQL, MongoDB)
- Very good knowledge of .Net, C#, Docker, Git, Golang, Python, SQL
- Good knowledge of Flutter, JavaScript and React
Work experience
VacuTec Messtechnik GmbH (Software developer, 2024/06 - today)
- Implementation of a highly specialized software solution for the presentation of measurement data with Flutter
- Analysis of the functional and technical requirements
- Requirements management and analysis
- Creation of the technical documentation
Materna Information & Communications SE (Software Developer, 2023/01 - 2024/05)
- Implementation of a highly specialized software solution for a German government agency based on .Net with focus on backend development
- Analysis of functional and technical requirements
- Design and implementation of new functions and extensions
- Creation of technical documentation
FLYERALARM Industrial Print GmbH (Apprenticeship as IT specialist for application development, 2020/08 - 2023/01)
- Planning, implementation, customization and maintenance of various front- and backend applications
- Consulting and supporting customers in the implementation and delivery of projects
- Support and training of users
- Analysis of functional and technical requirements
- Supporting the resale team in the evaluation, analysis and preparation of sales results
- Preparation of technical documentation
Preh Car Connect GmbH (Working student, 2018/10 - 2020/02)
- Support in tests of infotainment systems for well-known automotive manufacturers
- Support in the automation of test processes
- Evaluation, analysis and preparation of test results
AUDI AG (Intern, 2016/08 - 2017/02)
- Support with start-up assistance for the successor model Audi A5 Cabrio
- Error evaluations on rework status and effort
- Evaluation and processing of defect observations in the area of the test center
- Participation in a focus group on defect observations in the area of assembly and body shop
AUDI AG (Intern, 2013/08 - 2014/01)
- Support of the module managers in case of deviations and rejects from the specifications
- Comparison of different paint separation techniques
- Preparation of cost scales and time schedules
- Development of a concept for the design of the perimeter extension in the paint shop Mexico with clean room concept (locking systems, material flow and equipment)
ZF Friedrichshafen AG (Vacation Worker, 2011/05 - 2017/08)
- Regularly working in a 3-shift system in production during semester breaks
- Manufacturing of shock absorbers for the automotive industry
- Manufacturing of assembly parts for dampers and clutches
Projects
- Chamber of Commerce and Industry thesis - my IHK thesis using .Net, Python, RabbitMQ and YOLOv7
- co2monitor.api - a Go web API that can take, store and return CO2 and temperature
- CO2MonitorApp - a Flutter app that can visualize CO2 and temperature over different time periods
Training & Qualifications
FLYERALARM Industrial Print GmbH (Apprenticeship as IT specialist for application development, 2020/08 - 2023/01)
HTW Dresden (Diploma course in vehicle mechatronics, 2014/09 - 2020/02)
Technical University of Ilmenau (bachelor’s degree in technical cybernetics and systems theory, 2011/09 - 2014/08)