Flavio de Sousa picture

A Programmer

I'm a long time programmer who has worked on many languages and technologies. I come from the fun early ages of the first 8-bit personal computers when I learned how to deliver using wisely the resources. I started with BASIC and Assembly language and along the time I accumulated a cool crazy portfolio of technologies.

Although the technology was the fun stuff I am also fascinated by using the best approach for each problem, so knowing the proper techniques and engineering tools. I take techniques seriously and love clean, organized code, easy to read and maintain. Of course, there are times it pays off to be pragmatic and just deliver, coming back later to fix the mess.

So, that's it, I'm a programmer, who loves programming and software engineering.


I have several successful projects developed with C, C++, C#, Java, and Perl so those are technologies I consider myself an expert. Beyond languages, I also have expertise on SQL (design and programming mainly using Oracle, and PostgreSQL), UNIX (administration, shell, and system programming), Windows (application and system programming), API development (from low level up to RESTful/HATEOAS ones).

Currently learning...

  • German. Since I moved to Germany...
  • The Node.js ecosystem. I hate JS, I do, but... well... could be worse if PHP won. The thing is that Node.js is currently the broadest and thriving platform for web development. Sorry Django, RoR, ...
  • General Web Development - Ever changing, nonstop learning here.
  • Rust. Since my current full-time job is C based, I am looking for alternatives.
  • Elixir. After playing with Haskell, Scala, and a bit of Clojure (and finding none of them practical), it is now Elixir time.

Old Stuff

There are some really old technologies I am (was?) good with. I wouldn't mind having to deal with them again (well... not really):

  • MUMPS - when I saw the NoSQL frenzy the first thing I remembered was MUMPS and its smart and unmanageable key/value database.
  • xBASE - dBASE II, dBASE III, FoxBase, FoxPro, Clipper - I had fun with them and some others 4GL before SQL ended the party. At that time just having indexes was awesome stuff!
  • Z80, 8080, 8085, 8086, 8051 Assemblies - I even coded application software with some of those, and drivers and performance critical subroutines.

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