Implement Couchbase and Varnish for Drupal 7 website -- 3

Seeking a talented Drupal 7 System Admin (SysOps) that has extensive expertise with Couchbase, Memcache, Varnish and Nginx. We are an innovative, fast-paced early-stage company based in California. While this project is defined below, there may be an opportunity for on-going contract work once this project is successfully completed. **Before engaging your services, you will be interviewed by a domain expert. Do not submit a proposal unless you have extensive experience with Couchbase.** REQUIREMENTS Expertise with all of the following are required: * Drupal 7 sysops * Couchbase * Memcache & Drupal Caching * Nginx * Varnish * PHP * Cloudflare * Investigating and fixing issues with complex server and site configurations CURRENT SYSTEM CONFIGURATION * Drupal 7 e-commerce site with cloud-based horizontal scaling ** multiple nodes for frontend ** multiple nodes for MariaDB * memcached service * php library (PECL) for memcached * memcache module by drupal * nginx (no apache and no apache server libs) * Cloudflare * New Relic * Theming for site utilizes Drupal Panels * Dev, Staging and Prod environments * current configuration is similar to this setup (except we do not use apache or apache server libs for it): [login to view URL] SOLUTION NEEDED We have encountered issues implementing Couchbase and are seeking a Couchbase expert to fix and optimize the implementation. * What seemed like a transparent subsitution (internal Couchbase memcache server in the place of standard memcache server) turned out to be a non working solution. * Couchbase has a service that acts like a proxy and runs on standard memcache port 11211, redirecting all memcache requests to it's internal memcache instances and it seems like drupal cannot communicate with this server: * Even though there is no error in status page, or error logs that memcache server cannot be reached, memcache statiscis page shows blank information (strangely showing the version of standard memcache server, even though it's off) PROJECT MILESTONES & PAYMENTS Milestone 1: Implement, configure and optimize Couchbase internal memcache service. * Instead of standalone memcache service (which we are currently using), implement, configure and optimize Couchbase internal memcache service. * Payment upon successful completion = 25% Milestone 2: Implement, configure and optimize Varnish * Payment upon successful completion = 25% Milestone 3: Assess nginx, Drupal 7, Couchbase and Varnish along with New Relic statistics to further optimize configuration and performance. * Compare current page load times to previous stats to demonstrate that site performance for each page load is significantly faster than it was previously. * If a page is found to have no performance gain or only minimal performance gain (less than or equal to 5% improvement) then investigate and resolve performance issues. * Payment upon successful completion = 50% Freelancer will report to our lead developer. Please be willing to work with our lead architect/developer to complete each milestone. This includes providing daily updates via HipChat and Skype voice. We have excellent ratings/reputation on Freelancer and we are seeking contractors that are true artisans and experts in their field. If all goes well on this project then there is potential for on-going contractor work. QUESTIONS Include in your proposal answers to each of the following questions: Question 1 Provide a list of the Drupal 7 websites that you have implemented Couchbase for. Question 2 What is your specific expertise level (newbie, amateur, intermediate, expert, Jedi master) with: A) Drupal 7 SysOps B) Couchbase C) Memcache & Drupal Caching D) Varnish E) Nginx F) Finding & fixing server errors G) MariaDB H) Implementing PHP v7 for Drupal 7 sites Question 3 How many DRUPAL 7 sites that you been System Administrator for that have used Couchbase, nginx and varnish?