What problem did you attempt to solve? You are essentially offloading the vetting problem to all the companies who's former employees you work with. The only value I can see that you create is in liquidity in the market.
Sure, there's some benefit to solving market inefficiencies and making some money along the way, but don't pretend for a second that this isn't just another recruiting firm using pedigree as a proxy for actual skills.
I had written basically this same response fearing I was being overly judgemental before seeing your response but my gut was the same.
The posts read like sales pitches for someone solving a problem of making money for themselves by limiting their portfolio to candidates for whom $company had done the hard work of vetting by having previously hired.
Some people find our service valuable. There are devs that would prefer to be freelance but don't want to spend the time doing sales to make sure they have consistent work.
1. Finding a senior freelancer is hard. I've been unhappy with sites like Toptal and Upwork.
2. Being a senior freelancer is hard. Finding work, getting paid. We offer services for freelancers to take care of that.
Sure, there's some benefit to solving market inefficiencies and making some money along the way, but don't pretend for a second that this isn't just another recruiting firm using pedigree as a proxy for actual skills.