Exodus 1:11

Therefore they did set over them taskmasters to afflict them with their burdens. And they built for Pharaoh treasure cities, Pithom and Raamses.

Therefore they set taskmasters over them to afflict them with their burdens. They built storage cities for Pharaoh: Pithom and Raamses.

Therefore they did set over them taskmasters to afflict them with their burdens. And they built for Pharaoh store-cities, Pithom and Raamses.

And they set over it princes of tribute, so as to afflict it with their burdens, and it buildeth store-cities for Pharaoh, Pithom and Raamses;

So the Egyptians appointed taskmasters over the Israelites to oppress them with forced labor. As a result, they built Pithom and Rameses as store cities for Pharaoh.