freelance software developer and trainer
I work on a freelance basis since 2003. I’ve done software development for more than 25 companies in the areas of system and network programming, web development, data processing, analysis and computation, machine learning, embedded programming as well as relational database design and programming.
I’ve done consultancy for more than 15 companies, mostly regarding database programming and performance, database migrations, PostgreSQL and the use of Open Source software and Linux.
I’ve taught more than 200 courses, including onsite and online training for companies and courses for public institutions, mostly about Linux, programming and database systems.