how
I think maybe you've just answered your own question - if this job interview is so important that getting the job means you're "all set", then it sounds as though the marriage thing is taking second place.
If that's the case, and you don't get the job, your Brazilian marriage possibility is still a second choice. Marriage really ought to be a first choice thing.
errr yeah but the job is kinda flexible(big company all over the world) and...