Aditya Kumar has been working on compiler toolchains (LLVM,Clang and GCC) since 2012. He has contributed optimizations like GVNHoist, Hot Cold Splitting, Hexagon specific optimizations to the LLVM compiler; He has also worked partially on clang static analyzer, libcxx, libstdc++, and graphite framework of GCC.

He has keen interest in compiler and algorithmic optimizations. He regularly presents at the llvm developers conference and serve as program chair of llvm-workshop at CGO since 2017.