There are recruitment agencies which only take individuals with autism on their books, and try to find them roles which suit their particular skills profile. A quick Google should turn up some useful results, but be careful to not be taken for a ride.

Tech is a good industry for those on the autistic spectrum, as it values protracted periods of focus and analysis; but as with any job, communication is really important – perhaps especially so in tech. It will be important to find an employer who is prepared to take him on as an individual and work with him to minimise his difficulties and build on his strengths.