Top paying skills also need you to put in a lot of hard work, that's why they are giving a large compensation. Some good skills in engineering field are :

• PCB Design and Fabrication
  
• Web Developer
  
• Digital Marketing
  
• Node.js and Angular development
  
• Cybersecurity
  
• Blockchain
  
• IOT
  
• CAD
  

As you can see a lot of the skills above are related to the IT field, which is still a growing industry. New technologies are being designed and developed every day, so the IT field is somewhat giving a higher pay than other fields.