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Performance Tuning Jobs

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Hourly - Est. Time: 1 to 3 months, 10-30 hrs/week - Posted
We need a professional who has lots of experience in optimizing website performance. Our website uses Wordpress and w3 total cache. You need to have experience in - Wordpress - caching plugins like w3 total cache - cloud server experience - website performance optimizing Also we NEED TO BE ABLE TO CALL YOU ON THE PHONE. This very VERY important! You need to be able to - speak fluently english - show us some reference works of yours (NO FAKES!)
Hourly - Est. Time: More than 6 months, 10-30 hrs/week - Posted
We are looking for an experienced professional Linux administrator to configure, and setup public and private LAMP stack servers for multiple online systems, as well as for ongoing maintenance of our environment. Ideal candidate is must be experienced in Linux administration, Apache, MySQL, firewall and security configuration, mail server, resource monitoring, backup options, fine-tuning performance, etc. Knowledge and experience with Amazon AWS Services is highly desirable. Additionally, you must be proactive, responsible and responsive, as well as someone who follows industry standards and trends and can partner up with us and recommend appropriate solutions. This is long-term engagement.
Hourly - Est. Time: More than 6 months, 10-30 hrs/week - Posted
We are looking for an experienced professional Linux administrator to configure, and setup public and private LAMP stack servers for multiple online systems, as well as for ongoing maintenance of our environment. Ideal candidate is must be experienced in Linux administration, Apache, MySQL, firewall and security configuration, mail server, resource monitoring, backup options, fine-tuning performance, etc. Knowledge and experience with Amazon AWS Services is highly desirable. Additionally, you must be proactive, responsible and responsive, as well as someone who follows industry standards and trends and can partner up with us and recommend appropriate solutions. This is long-term engagement.
Hourly - Est. Time: More than 6 months, 10-30 hrs/week - Posted
A flexible remote sysadmin/devops position is available at InterPals.net, a popular social networking site that connects people around the world for friendship, language practice, travel, and more. The site has over 3 million active users. Our user base is extremely enthusiastic and dedicated, which makes development exciting: millions of people already enjoy using the service. Our site is PHP on a typical LAMP stack for a high load website: sharded MySQL, Memcached, and Sphinx on Centos across 10+ dedicated servers. We use some AWS services (S3, SES). Frontend is basic CSS/HTML/JS (for now, mainly jQuery). Monitoring is done via Zabbix. We want to: - Automate server deployment with SaltStack - Create development environments, both local and remote/staging - Improve our code deployment process - Make sure that our MySQL backups are consistent and recoverable - Improve our server and process monitoring - Take our email delivery in-house (currently use AWS SES) while maintaining...
Hourly - Est. Time: More than 6 months, 10-30 hrs/week - Posted
We are looking for experienced system administrator, who can maintain our infrastructure, automate, make it reliable and scale where required. Whisk.com is a venture funded, successful UK startup building an application in the food space. Our application is seen by over 10m people every month and we work with the largest food manufacturers, retailers and publishers in the UK and around the world. Dan Cobley, MD Google UK/Ireland said “Whisk is making the moment to buy really matter”. We are currently hosting on Microsoft Azure and about to evaluate Google Cloud Engine for migration. You will be given a task to define and setup staging environment with Saltstack on GCE, which includes: Zookeeper, Kafka, Nginx, MongoDB, Cassandra, Elasticseach, Neo4j, Docker, Mesos, Apache Storm Skills required: - good understanding of Linux - solid experience with Saltstack - being constantly looking for improvements - understanding of how distributed systems work (sharded and replicated clusters) -...
Fixed-Price - Est. Budget: $ {{ job.amount.amount | number:0 }} Open to Suggestion Hourly - Est. Time: {{ [job.duration, job.engagement].join(', ') }} - Posted
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