Getting a Google referral is indeed a rare opportunity, but how far it can take you still depends on your own abilities. Having spent several years in Silicon Valley, I’ve seen many people successfully land a job at Google through referrals, but I've also seen just as many get rejected even with a referral. At the end of the day, a referral is just your ticket in—not a guarantee of success.
Google’s resume pool is vast and deep. When I referred a friend last year, the HR team privately told me that they receive about 300 resumes per day for an entry-level position. A regular application is like throwing a stone into the ocean, but a referral at least makes your resume float on the surface. However, don’t think that guarantees success—one interviewee I know said that out of the last 10 referrals they received, only one made it through.

Cultural fit is more important than most people realize. Google has an unspoken standard in their interviews: not only do you need to be smart, but you also need to be "Googley." Last year, a technical expert was rejected because he was too focused on working alone. The interviewer’s exact words were, "His code was like poetry, but our projects need a symphony." What a referrer can help demonstrate is your ability to fit into a team, which can’t always be seen just by looking at your resume.
Referrals can also be a double-edged sword. Recently, a junior asked me for a referral, and since his LeetCode skills looked strong, I submitted his name. Unfortunately, he froze during the system design round, and HR gently reminded me, "Next time, please make sure to vet the candidate first." Now, before I refer anyone, I make sure they go through at least three mock interviews to avoid damaging my own credibility at the company.
The real challenge comes during the interview process. Google’s five back-to-back interview rounds can make you question your entire career. A friend of mine made it to the third round, and the interviewer suddenly asked, "Now you’re a Tech Lead, and two people in your team are arguing—what do you do?" These types of questions can’t be prepared for—they rely entirely on experience. The smartest candidates I know treat every code review as a mock interview, practicing their communication skills each time.
At the end of the day, a referral is like extra credit on an exam. If your foundation isn’t strong enough, adding 10% won’t make a difference. However, if you’re skilled enough, a referral can help you avoid unnecessary detours. The most reliable strategy is to first master algorithms, become proficient in system design, and then seek a referral. Otherwise, even with a VIP pass, you may still get asked to leave halfway through.