Hello aspirant,

I hope that you are doing absolutely great.

With reference to your above mentioned query, I would like to tell you that yes, you can go for software development after completing diploma in mechanical engineering. This is because many software developers do not even have a degree but they have lots of knowledge about computer fundamentals and programming principles. So, with these knowledge and skill sets they become a good software developer without any computer science degree.

So, if you really wish to become a software developer after mechanical engineering diploma, the you need to develop the core expertise in computer programming and coding.

Further, you can start your journey right now as there is no perfect time to start.

Further, for more information about software development you can follow the below mentioned link : https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.careers360.com/careers/software-developer&ved=2ahUKEwilvvmY1pX2AhX7SWwGHat9DhwQFnoECAcQAQ&usg=AOvVaw3-DynCqFj8Rq2pj1TJcylC

I hope that this will help.