Got scouted by a head hunter company that conducts the first introductory interview to check whether you fit the role.
1st interview with the company goes through the basic stuff on your CV and what the company does. It will ask about your project experiences and programming skills.
2nd stage they will give you a problem for you to solve. Basically you are solving a problem related to SLAM. You need to know specific knowledge regarding SLAM.
3rd stage you will talk with the CEO directly to discuss the company vision and mission and HR stuffs. Also discuss about your and the company working culture.