Yes, I do it all the time. - Check glassdoor.com for reviews, interviews and salaries. - Read a local version of glassdoor where employees talk about their fo

Yes, I do it all the time. - Check glassdoor.com for reviews, interviews and salaries. - Read a local version of glassdoor where employees talk about their former companies. - Look at the company facebook account to see photos of the workplace and current employees. - Search for forums and online communities where the company name is mentioned. Check the context and opinions. - Research the CEO/CTO and potential supervisors on LinkedIn to determine competency and chemistry. - Read articles and interviews about the company to gauge vision and the current state. - Use the government public data to check company finances. In a software company wages are the biggest expense. So if you divide the yearly expenses by the number of employees, you can estimate an average salary. This worked great so far. Dodged a lot of bullets and managed to get massive increases in pay. The tech industry would be a lot healthier if everybody shared information. Salary, reviews, what you like about the company, what you don't like. Post them everywhere you can. I do. Knowledge is power.