Jeff Onsea

Game and Software Developer

CheckOut my Games

About Jeff

Absolutely in love with videogames. I play them and i make them. I am specialized in videogame development using Unity with C#. Although i also have knowledge regarding other programing languages and engines like C++ and Unreal Engine.

Making videogames is more of an art for me than anything else. Obtaining a perfect harmony between gameplay, story and intelectual challanges is the greatest job you can achieve.


What can Jeff do?

  • Programming languages: C++, C#, Java, PHP, JavaScript
  • Engines: Unity and Unreal Engine 4
  • Other stuff: OOP design, AI, Networking, gameplay and graphics programming.
  • Languages: Spanish, English & Dutch


Recent Projects



QA Tester

Tested the company's streaming platform and the games that run on it.

Higgs Boson Entertainments

Game Developer

Developed mobile games and a MMORPG naval simulation game for Steam.


Back-end developer PHP

Developed the company's intranet and tools.


University Degree

Game Design and Development at ESNE