Sorry to discourage you.
The reality - you dont stand a chance. Dont waste youre time.
Focus on areas you are trained in.
Ex-engineers make bad investment or finance people as they have no understanding on global finance and economics. Why do people take years to study economics and finance in the uni?
Employers now go for
NUS,
SMU top finance and economics or
NUS MBA grads.
Spend your time to impress your Japanese bosses with your hard work.