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Performance Tuning Jobs

8 were found based on your criteria

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Hourly - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
Performance / Responsive We have recently discovered that our website is not performing optimally and as a result have taken some actions, however, need your assistance to take more. The website is www.novatti.com, is a WordPress site and within a few days, hosting will be moved to the AWS environment. It runs a customised theme and is using WP 4.2.3. We are not intending to change the look and feel of the website and are quite happy with it overall. Having said this, we will internally be undertaking a content restructure to improve our navigation to our products. The areas we need your assistance in are: A. PERFORMANCE / RESPONSIVENESS 1. We conducted a Google test which highlights that the WordPress code, scripts etc are 'bloated' and a bit messy, load times are slow and we need this all cleaned up. We will need you to review the report (supplied upon successful application) and make the actual improvements to the site. You may use plugins to perform these...

Fixed-Price - Est. Budget: $ 50 Posted
We are looking for a WordPress server speed tuning expert who is also capable of handling web server security hardening. We need the server to perform lightning fast. You will perform WordPress server tuning like migrating us from Apache to Ngnix, Redis and other server modules etc. You will be provided root access and Wordpress admin access to do the necessary. The goal is to achieve TTFB of under 80ms (loaded in local country Hong Kong) and prevent intrusion to the server. Here are some of the VPS server's specs: http://cryptb.in/fRZ#bb1ee4082f8cad0bdbbd96357f85f1b0 Please provide a list of items and techniques you will be performing based on our server specs in your proposal (please be detailed and technical). Please communicate with me via Skype to confirm the techniques prior to project commencement.

Hourly - Est. Time: More than 6 months, 30+ hrs/week - Posted
You must be able to answer PERFORMANCE related java questions that you will be asked in an interview. This includes client side (session based) optimizations as well as server side (service based) optimizations. We have a need for a person to work 40+ hours a week for 1+ years. This person can work from home and be part of an Agile Team at a major company. At a MINIMUM, you must have: 1.) 3+ years track record of fixing performance issues 2.) 5+ years of Spring Framework 3.) 3+ years of Hibernate 4.) Solid understanding of Web Frameworks 5.) 4+ years of JSP experience 6.) Amazon EC2 experience a big plus 7.) SOLID understanding of E-Commerce performance issues and a track record of solving them. 8.) Good understanding of Apache Tomcat and it's various settings. You will need to pass a skype voice interview and will be asked questions that someone with the experience above will have. Please respond with your availability and your hourly rate. If you are...

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 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. Some shell scripting might also be needed to automate frequently performed tasks. 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, 30+ hrs/week - Posted
Senior PHP or Full-Stack Developer A flexible, but full-time, remote senior 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 codebase 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). We are in the process of refactoring the codebase to use Silex/Symfony components and a MVC architecture. =========== Your role: - Implement new features, fix bugs, optimize existing code - Implement best practices, both code and process-related - Review and offer feedback on code written by other developers - Coordinate...

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) -...