Working as the lead render programmer and as an engine programmer during the development of an in-house videogame engine made in C++ and OpenGL.Developed the following features for the engine:- Directional and local lighting (also helped in area lights bug fixing) using phong model- Deferred shading pipeline for opaque objects + forward for transparencies- Light culling of local lights with light volumes- Shadow mapping (with CSM, VSM and SDSM)- Cook-Torrance BRDF for specular and metallic materials- Geometry batching for efficient instanced rendering- A fully fledge particle system in a Unity-Unreal mixed fashion way- Animations system and importation from fbx- Texture animation and tiling- The base engine implementation (basic camera system, input module, fbx importation, graphics pipeline and base editor UI)Also helping in other areas such as UI, physics and level design