This shot was done using Blender and Davinci Resolve.
Here are some Inspirational Videos showing what can be done in Unreal Engine.
Gaming Bolt narrates what he likes about Unreal Engine and the Artists showcasing some Demos.
The Alive series from a Blender master animator. His Mech sequence looks great.
Interesting Mech design. Great walk cycle, Could use secondary animations in the hydraulics.
DaVince Resolve How To
How to save Stills from Davinci Resolve 17
How to Composite a 3d object into a scene. He talks about how to match the blur, color correct, add masks for lighting.