Performance Tuning Freelancers

Showing 94 freelancers

Performance Tuning Freelancers

Showing 94 freelancers

  • Software Architect (Java, C, PHP, SQL)

    IT specialist experienced in software analysis and implementation of performance improvements, databases development, implementation of information & reporting systems. Developer of server, desktop and web applications, experienced in both Linux and Windows server environments. Worked for 7 years as Senior Technical … more

    IT specialist experienced in software analysis and implementation of performance improvements, databases development, implementation of information & reporting systems. Developer of server, desktop and web applications, experienced in both Linux and Windows server environments. Worked for 7 years as Senior Technical Consultant for an international company (Infor) and participated in many international projects. Since 2012 a Bottleneck Team Lead in an international team responsible for software analysis and implementation of performance improvements on various platforms (mostly C/C++, Java & DBs). Since 2013 a member of a team that develops Amazon Elastic Compute Cloud (EC2) management web service used by a company with 5000+ employers, Amazon WebServices (Java API) expert.  less

    performance-tuning sql linux-system-administration php java c++ c olap vba 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 4390 HOURS
    • CZECH REPUBLIC
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 11 TESTS
  • Wordpress Expert, Wordpress Malware Removal & Security, PHP, CSS, HTML

    You can always chat me on Skype at KholdenVRP . If you're unsure if I can handle the job, just ask! I have years of experience within Wordpress, and I'm capable of handling almost any problem you might have … more

    You can always chat me on Skype at KholdenVRP . If you're unsure if I can handle the job, just ask! I have years of experience within Wordpress, and I'm capable of handling almost any problem you might have. Fixed prices available! I'm a pro when it comes to hacked wordpress sites. From getting you back in to malware removal and security, if your Wordpress is hacked, I can help, plain and simple. I have a significant amount of knowledge with Wordpress, CSS, PHP, HTML5 and even some Javascript. I do both customization of templates and troubleshooting for issues that people are having with their site. I've been working with websites since High School...more than 15 years ago. One of my specialties is site speed. With a full analysis I can either handle the work myself or tell you what to do to get the job done. Contact me today via Skype at KholdenVRP for more info! I love playing with website design, especially when it comes to Wordpress, SEO, HTML, Adwords and other PPC Campaigns and even some graphic design. I know lots about PHP too, so feel free to message me and ask if you have questions! Im also big on figuring out site speed issues, and Ive taken on some of the most difficult tasks! Experience: -Knowledge of HTML, CSS, PHP, Wordpress, Adobe Photoshop -Effective execution of PPC campaigns, including search and content targeting on all major engines. -Thorough understanding of Search Engine Optimization techniques as well as proper code implementation. -Knowledge of local search offerings on Google, Yahoo!, Citysearch, Superpages and Yellowpages. -Experience in 3rd party tracking through Google Analytics, Atlas, Omniture, Marin and Doubleclick software. -Familiarity with WebTrends, Comscore and Adgooroo. -Experience in product feed management through both manual optimization and 3rd party technology.  less

    virus-removal wordpress css html html5 php seo internet-marketing performance-tuning 00 more less
    • $38.89 HOURLY RATE
    • 5.0
    • 20 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 5 TESTS
  • Make it simple

    I strive to work with each client to meet their needs and provide a high level of service. I consider communication, adaptability and problem solving to be particularly important in these jobs and will provide this along with our years … more

    I strive to work with each client to meet their needs and provide a high level of service. I consider communication, adaptability and problem solving to be particularly important in these jobs and will provide this along with our years of experience and expertise in this field. Skills: Amazon Web Services Debian/Centos/Ubuntu Linux Nginx/Apache2 servers Simple security protection VMWare / Citrix / HyperV / OpenNebula / ProxMox virtualization Active Directory / Group Policy VPN/Firewall / DNS / DHCP Server Monitoring / Backup Terminal Server XP, Vista, 7 Desktop Configuration and Support Scripts: WordPress, Joomla, Magento, OpenCart, X-Cart, FluxBB, TextPattern  less

    php mysql nginx ubuntu linux-system-administration windows-administration wordpress apache-administration performance-tuning kvm-virtualization 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 16 HOURS
    • ESTONIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • DevOps Architect | AWS Certified SolArchitect | PhD

    I am an AWS Certified Solutions Architect with years of cloud and DevOps experience. I have worked at all the layers of the computing stack. My projects are deep in nature, with all of them resulting in either a released … more

    I am an AWS Certified Solutions Architect with years of cloud and DevOps experience. I have worked at all the layers of the computing stack. My projects are deep in nature, with all of them resulting in either a released product or an IEEE/ACM research publication. The work has won me numerous awards. I have helped improve the infrastructure of Fortune 100s, Fortune 500s, SMBs, and startups. I do: Cloud migration (web, Big data, HPC) Disaster recovery Self services ops setup (using RunDeck or Bootstrap) Configuration management (chef/puppet/ansible) Software defined environments (SDE) Developer flow optimization (Vagrant, Docker) Continuous Integration (Jenkins, TravisCI, CircleCI) Continuous Deployment Cloud automation DevOps automation AWS-specific services like Auto-scaling, CloudFormation, RedShift, instance sizing, reserved instance, spot instances, load testing, performance optimization, VPC setup, VPN setup, ELBs, EBS volumes, ElastiCache, OpsWorks, RDS, STS, etc. AWS billing setup AWS LDAP integration Cloud enablement IT Governance Cross-cloud and on-premise to AWS integration I am looking for gigs where I can use my skills to benefit my client and gain new knowledge. Keywords: DevOps, AWS cloud, AWS training, AWS consultant, AWS consulting, Big Data training, Big data deployment, Big Data optimization, Hadoop training, Hadoop deployment, Hadoop development, Hadoop optimization, Twitter storm training, Twitter storm deployment, Twitter storm development, Twitter storm optimization, ElasticSearch training, ElasticSearch deployment, ElasticSearch development, ElasticSearch optimization, Spark deployment, OpenStack, AWS, EC2, Amazon EC2, Auto-scaling groups, spot instances, Rackspace, Cloud Computing, Cloud Computing Training, OpenStack Deployment, OpenStack Deployment, OpenStack Training, Cassandra, Cassandra Training, Cassandra Deployment, MongoDB, MongoDB Training, MongoDB Deployment, CouchDB, MongoDB Training, CouchDB Deployment  less

    devops amazon-ec2 linux-system-administration amazon-web-services performance-tuning performance-testing python node.js twilio-api jenkins 00 more less
    • $100.00 HOURLY RATE
    • 4.8
    • 2782 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 1 TEST
    GROUPS:
  • Web Performance Optimization Specialist and CodeIgniter Developer

    I am a Senior CodeIgniter/PHP Developer, experienced in developing web application programming, XHTML/HTML/CSS coding and Javascript/jQuery/AJAX programming. I specialize in building custom database driven websites and interactive web applications. Also, I am flexible and can … more

    I am a Senior CodeIgniter/PHP Developer, experienced in developing web application programming, XHTML/HTML/CSS coding and Javascript/jQuery/AJAX programming. I specialize in building custom database driven websites and interactive web applications. Also, I am flexible and can quickly adapt to new technology environment. Other Specialties: - Website Performance/Speed Optimization (WPO) - Project Management - MVC/HMVC - Data Recovery - Linux Administration - Server Management - Server/Website Security - User Experience (UX) Design - Responsive Web Design (RWD) - Cross-Browser Compatibility - Code Refactoring Web performance optimization, WPO, or website optimization is the field of knowledge about increasing the speed in which web pages are downloaded and displayed on the user's web browser. Why optimize? 1. Less bandwidth and server peaks 2. Lower bounce rate 3. Higher conversions and engagement 4. Higher page views 5. Customer satisfaction 6. More sales 7. Influence search engine ranking 8. Improves server performance 9. Saves money on hardware upgrades 10. Reduced operation costs 11. Improves crawl time 12. Slow websites can hurt much more than power outages  less

    php codeigniter javascript ajax jquery mysql linux-system-administration performance-tuning data-recovery 00 more less
    • $11.11 HOURLY RATE
    • 5.0
    • 383 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 4 TESTS
  • can't do is not an option

    - Linux maintenance/troubleshooting (RHEL, Centos, Debian), - Cloud hosting (Amazon EC2, AWS, S3), - Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies), - Web servers (apache, nginx, lighttpd), - Mail servers (exim, postfix, qmail, antispam/ antivirus: clamav/spamassassin … more

    - Linux maintenance/troubleshooting (RHEL, Centos, Debian), - Cloud hosting (Amazon EC2, AWS, S3), - Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies), - Web servers (apache, nginx, lighttpd), - Mail servers (exim, postfix, qmail, antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot), - Bulk marketing (Dkim, spf, high speed/inboxing, interspire, powermta,returnpath), - Automation (puppet, perl/shell/awk scripting), - Monitoring (nagios, zabbix,cacti), - Database Optimization,Replication (MySQL)  less

    mysql apache-administration lamp-administration postfix amazon-ec2 amazon-web-services squid nginx magento linux-system-administration performance-tuning load-balancing clustering haproxy centos 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 97 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 1 TEST
  • Software Development,optimization, advanced problems solving

    I am a former software developer, team lead and project manager with more then 19 years in industry and i started a company some time ago. My strong sides are: problem solving, optimization, reverse-engineering skills, focus on client needs, attention … more

    I am a former software developer, team lead and project manager with more then 19 years in industry and i started a company some time ago. My strong sides are: problem solving, optimization, reverse-engineering skills, focus on client needs, attention to quality and economics of the decisions, deep understanding of computer systems and software architecture. I worked on various projects for different industries like marine transportation, web application for computer-aided learning, mobile applications; security: iClass, rfid, reverse-engineering. If you need an outsourcing team, please contact me to discuss the options.  less

    scrum c# project-management c android-app-development php reverse-engineering delphi database-programming performance-tuning assembly-language joomla 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 118 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 7 TESTS
  • Website Designer & Software Engineer

    I have vast experience developing of complex on-line applications following better understanding of software development methodologies including Agile. I also have experience across various technologies and a good understanding of software development fundamentals, experience in content driven system and of … more

    I have vast experience developing of complex on-line applications following better understanding of software development methodologies including Agile. I also have experience across various technologies and a good understanding of software development fundamentals, experience in content driven system and of all parts of the SDLC. I have following skills below: 8 years development experience with PHP and .NET, strong experience with RDBMS, ideally MYSQL/MSSQL. PHP/.NET Framework experience, preferably Zend/Asp.net, Wordpress, Socialengine. Strong Website design, HTML5, CSS3 and JavaScript skills including JavaScript framework experience. And great communication skills.  less

    php mysql socialengine magento zend-framework codeigniter wordpress performance-tuning seo jquery jquery-mobile javascript css3 html5 00 more less
    • $22.22 HOURLY RATE
    • 4.4
    • 139 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 7 PORTFOLIO ITEMS
    • 1 TEST
    GROUPS:
  • Senior BI/Database Developer

    I works with Microsoft SQL Server over 10 years. I design data warehouses, OLAP-cubes, develop ETL process, develop analytical reports through MS SQL Server RS. I resolve tasks related to performance and scalability operational and analytical systems on SQL Server … more

    I works with Microsoft SQL Server over 10 years. I design data warehouses, OLAP-cubes, develop ETL process, develop analytical reports through MS SQL Server RS. I resolve tasks related to performance and scalability operational and analytical systems on SQL Server. I have a lot of experience work with large databases (over 1Tb) and tables (over 1 billion records). Also, I have a lot of experience of write complex query for OLTP / DataWarehouse systems and developing CLR-functions (C#). Specialties: Data Warehouse Architect, Database Architect, BI Developer, Database Developer. Technology & Products: Microsoft SQL Server 7-2012, DTS/SSIS, Analysis Services 2000-2008, Reporting Services 2005-2008, Sybase Power Designer, Visual Studio 2005/2008/2010 SSDT, TFS, Redmine, SVN, T-SQL, MDX, C#. Sertifications: MCTS SQL Server 2005. MCTS SQL Server 2008. https://mcp.microsoft.com/authenticate/validatemcp.aspx TranscriptID: 996289 Access Code: sergeykharybin  less

    microsoft-sql-ssas microsoft-sql-ssrs t-sql sql microsoft-visual-studio olap database-administration database-design database-management database-programming data-warehousing etl c# ado.net ssis performance-tuning 00 more less
    • $22.22 HOURLY RATE
    • 4.4
    • 499 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
    GROUPS:
  • Linux System Engineer

    I have been working on deploying and managing Linux web servers using different technologies, Apache , Nginx, Varnish-cache, Php-fpm, Fcgi, Dso, SuPhp, Cpanel, Webmin, Virtualmin, Memcached, Apc, etc... and i have been specialized in increasing website performance and making the best … more

    I have been working on deploying and managing Linux web servers using different technologies, Apache , Nginx, Varnish-cache, Php-fpm, Fcgi, Dso, SuPhp, Cpanel, Webmin, Virtualmin, Memcached, Apc, etc... and i have been specialized in increasing website performance and making the best use of machine resources. I also have experience in automating server recurring tasks and application deployment and configuration using bash and python. I always look forward to use my knowledge in managing Linux servers, learning new technologies, enhancing my current knowledge and skills and passing my knowledge to others.  less

    linux-system-administration performance-tuning nginx apache-administration cpanel python memcached data-backup bash vim wordpress 00 more less
    • $17.78 HOURLY RATE
    • 5.0
    • 284 HOURS
    • EGYPT
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 6 TESTS
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