If your 4 year tenure is absolutely non-negotiable (or if you're not ready), then fiddle - let your hacker instincts take you places. Learn a scripting language

If your 4 year tenure is absolutely non-negotiable (or if you're not ready), then fiddle - let your hacker instincts take you places. Learn a scripting language (python ruby etc), write a blog, dissect apps, join an opensource project.. After four years of quality exploration, you'll have built up some formidable experience that isn't easily replicable.