You would have a better chance with your husband as principle applicant. IT jobs are on THE LIST (0213 Computer and Information Systems Managers ) so if he is one of these and has the requisite experience he/you should qualify for PR status.
Teachers coming from UK do get jobs in their profession but it takes time and perseverence to get there. You would have to knock on doors and if invited in, take a supply teaching position until a permanent position occurs and is offered to you.