Recover a website hit by two Penguin updates in 2013

A medium website (10 years old) was hit by 2 Penguin updates in 2013 (with about 3 times traffic reduction after each update). There were no private messages from Google Webmasters related to manual Google penalty or unnatural backlink profiles. We can provide you with backlink reports from Google Webmasters (about 1,000 referring domains with almost 24,000 backlinks in total) and reports from MajesticSEO (22,000 fresh backlinks and 180,000 historic). We can also provide you with our previous disavow links file ([login to view URL]) containing 1624 domains and 83 URLs. This was the only disavow file that we submitted to Google Webmasters. If you are selected for this project, you need to provide us with your report-analysis of our backlink profile, problems that you discovered, and filter out bad backlinks and provide us with your Google disavow file with domain names and specific URLs. Send us examples of sites that you recovered from Google Penguin penalties and the tools that you are going to use in order to filter bad backlinks and which criteria you are going to use. Currently the site ([login to view URL]) gets about 8,000 visitors from organic Google searches with about 520,000 Alexa rank. You will be paid based on results. Therefore, do not waste your and our time if you do not know exactly what to do and how soon you can expect results. Your bid should also include the time frame when you expect to see the results in SERP and number of visitors from organic searches.