My first full piano composition.

https://soundcloud.com/user-777001654/work-in-progress

I'm new to composing. Please criticize this short piano piece.

Hey!

That's a really promising start! I like your harmonies, and I think your melodies fit the tone and are well placed/built. Something I'd point out, is the lack of textural diference between parts. As the piece is very short, it doesn't become a problem, but if you ever want to expand this, you may want to add a different acompaniment (other than blocked chords), add/remove some of the voices, explore other registers, etc. so that you don't saturate the listener with the same mass of sound throughout the entire piece. 

I also feel like the piece has a shift in feel. It starts as being playful and "happy", and rapidly moves to a more dramatic and melancholic feel. It's not a problem, but I feel like that wasn't intentional, as the happier theme isn't developed throughout the rest of the piece. It's just something to think about.

Also, if you haven't yet, I'd recomend producing sheets for this piece, so that we could better analyse it. 

I hope my thoughts were of any help!

Best wishes, Jean.

Yeah, the skip in feel was also strange for me too.
The ending is a little abrupt as well, with kind of an unceremonious triplet figure used to predicate it.