Cluster Computing Developers & Programmers

Showing 8 freelancers

Cluster Computing Developers & Programmers

Showing 8 freelancers

  • Certified SQL DBA ,cluster,mirror,replication,SSAS,SSIS,SSRS expertise

    My core competency lies in SQL Server performance tuning/optimization, designing high availability solutions using replication,clustering,mirroring and log shipping technologies and designing Business Intelligence solutions using SSAS,SSIS,SSRS. My average performance improvement rate is 5000% and for … more

    My core competency lies in SQL Server performance tuning/optimization, designing high availability solutions using replication,clustering,mirroring and log shipping technologies and designing Business Intelligence solutions using SSAS,SSIS,SSRS. My average performance improvement rate is 5000% and for some of my customers I've achieved up to 70000% of performance gain. I'm familiar with data modelling and warehousing principles and skilled on developing business intelligence solutions. I've designed data warehouse and several OLAP cubes for HR Management IS for FINCA,developed SSIS packages to populate them and developed set of analytic reports using SSRS.I've also developed performance metrics analysis solution on the base of SQL Server Data collection,SSAS and SSIS , which allows to easily analyze server's health and quickly spot problem areas. I have also about 20 years of programming experience.Using VB 2008,ASP.net 3.5,SSRS,SSAS,SSIS technologies I've developed and implemented a wide range of data driven desktop applications for various organizations. Good customer service is key for me, and no project is completed until you are satisfied, or l'll offer a full refund.  less

    t-sql ssis microsoft-sql-ssrs microsoft-sql-ssas olap database-administration database-programming database-design database-modeling database-management clustering asp.net microsoft-visual-basic 00 more less
    • $50.00 HOURLY RATE
    • 4.9
    • 1108 HOURS
    • CANADA
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 6 TESTS
    GROUPS:
  • Sr Linux / Amazon EC2 / Migrations / Nginx / Security / DevOps

    A self-motivated System and Network security administrator with more than 10 years in the management and analysis of Linux/Unix enterprise Servers (60- 70 servers). With deep and advance knowledge of highly scalable servers, Cloud Computing, High performance, Hardening Servers … more

    A self-motivated System and Network security administrator with more than 10 years in the management and analysis of Linux/Unix enterprise Servers (60- 70 servers). With deep and advance knowledge of highly scalable servers, Cloud Computing, High performance, Hardening Servers, Migrations, Ethical hacking, Development Operations - DevOps, Open Source services and Server optimization. Certifications such as: Certified Ethical Hacker - Red Hat Certified Engineer - Cisco CCNA. Expertise in: MIGRATIONS: AMAZON/Wordpress/Magento/LAMP/Cpanel migration plans and implementation, backup-restore and recovery plans. I have helped dozens of clients migrate their web sites and applications into the CLOUD. Design and build Web Servers with HIGH PERFORMANCE (LAMP, NGINX/python, Nginx/Varnish, Nginx/php-fpm, Jboss, Apache tomcat and Varnish) - Improve and Fix performance issues, service optimization, security issues and deployments. MALWARE removal and analysis: WordPress / Magento / Joomla Malware removal and remediation, Incident handling and Forensics analysis. BOOST and optimize websites with: NGINX, Varnish, REDIS, Amazon S3, Memcached, APC, apache tunning and mysql tunning, Amazon CloudFront and more. Amazon Cloud Computing (AWS) - AMAZON EC2, amazon CDN S3, amazon RDS, amazon ELB, Amazon AutoScaling, VPC, CloudFront, Route53, etc. Also Management of multiple Control panels like Rackspace Cloud Computing, SoftLayer, GoDaddy, HostGator, dreamhost and MediaTemple. Designing and deploying scalable & Highly available systems such as: Amazon Load Balancing (ELB), Hearbeat, HAProxy, mysql cluster, apache cluster... Network and web security such as: Vulnerability Assessments, Hardening servers, security audits, Penetration testing, Virus/Malware/Threats/Vulnerabilities countermeasures, web security, fail2ban, Tripwire-AIDE-OSSEC, mod_security, mod_evasive, Denial of Services (DDOS) countermeasures, Firewalls (iptables, CSF and apf), etc. VPS: Cpanel / WHM / Plesk / DirectAdmin / Webadmin - Migrations, management, hardening, configuration, maintenance and high level of Administration. Databases Administration such as: Mysql tweaking and tunning, MongoDB, load balancing and Mysql replication (Master & Slave) for High traffic. Database: Mysql tweaking and tunning, MongoDB, ElasticSearch, Apache Solr, Sphinx, lucene, MariaDB, Postgresql replication & Pgpool, Mysql load balancing and Mysql replication (Master & Slave) for High traffic. Continuous integration (CI) and Automated configurations with: Puppet, Capistrano, GIT and Fabric. Jenkins + github, Jenkins + nginx... Networking: TCP/IP high expertise, NAT, FIREWALLS, CISCO routing and switching and Packet analysis with tcpdump and wireshark. Storage solutions and Directory management: SAMBA, NFS, FTP and sftp. LVM and RAID*. SCRIPTING: Bash and python. Proficient with MAIL Servers: postfix, sendmail and Zimbra. Source control versioning: GIT and SVN. Deploying and maintaining Monitoring systems such as: nagios, ZAbbix, cacti and Jboss Operation Network (JON). Backups solutions: amanda, rsync, Amazon backups and rsnapshot. Research & development (R & D) for any open source service and technology.  less

    network-security amazon-ec2 nginx linux-system-administration penetration-testing apache-administration jboss ubuntu virtualization samba security bash mysql amazon-rds amazon-web-services nagios rackspace-cloudservers clustering iptables centos git apache-tomcat unix-system-administration varnish-cache django-framework 00 more less
    • $24.99 HOURLY RATE
    • 4.9
    • 4661 HOURS
    • MEXICO
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 4 TESTS
  • AWS Architect/Engineer/Devops

    Over the last 9 years, I have been working as technical support engineer/team leader/infrastructure architect for several large companies (hosting companies with more than 1000 of dedicated and several dozens of VPS servers, ecommerce application companies, small and … more

    Over the last 9 years, I have been working as technical support engineer/team leader/infrastructure architect for several large companies (hosting companies with more than 1000 of dedicated and several dozens of VPS servers, ecommerce application companies, small and large companies with different cloud setups from several to several hundreds of instances) My competency lies in planning, development, deployment and setup of new production environments, troubleshooting/support/improvement of existing production systems based on Linux/Unix. Have a lot of experience in automation/monitoring/backup of different distributed environments with LAMP stack and other applications, different clustering, scalability and high-availability techniques.  less

    linux-system-administration amazon-ec2 clustering bash apache-tomcat ftp dns centos ubuntu subversion atlassian-jira mysql nagios lamp-administration memcached git rightscale amazon-web-services unix-shell redis squid haproxy mail-server-implementation postfix qmail apache-administration project-management github version-control plesk load-testing devops 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 1141 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 11 TESTS
  • Linux/Windows Administrator, Virtulization, Cloud & Clustering Expert

    10 years of experience in linux & windows administration. I've successfully setup no. of clusters for FTP, Web, Active Directory / LDAP, Exchange & Mysql. Successfully setup cloud on 25 TB SAN. I am expert in virtulization (OS Level/Hypervisor) and clustering … more

    10 years of experience in linux & windows administration. I've successfully setup no. of clusters for FTP, Web, Active Directory / LDAP, Exchange & Mysql. Successfully setup cloud on 25 TB SAN. I am expert in virtulization (OS Level/Hypervisor) and clustering. I've used Xen, Virtuozzo, OpenVZ, VM Ware Esxi. I also have good experience in PHP, Photoshop, Dreamweaver, Flash, HTML, CSS, Javascript & SEO  less

    amazon-web-services clustering virtualization link-building seo linux-system-administration embedded-linux ubuntu rackspace-cloudservers web-design 00 more less
    • $30.00 HOURLY RATE
    • 4.9
    • 2389 HOURS
    • INDIA
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 14 TESTS
    ASSOCIATED WITH:
  • Lucene/Cassandra/Clusters Expert, IT Architect - 15 years

    I am seeking opportunities to build comprehensive software with distributed data processing, indexing, searching and encryption (JCE, RSA, AES, X.509). Over the last 10 years, I am also working as system architect on TrackStudio issue tracking system: http://www … more

    I am seeking opportunities to build comprehensive software with distributed data processing, indexing, searching and encryption (JCE, RSA, AES, X.509). Over the last 10 years, I am also working as system architect on TrackStudio issue tracking system: http://www.TrackStudio.com I am interested in working with Apache Lucene, Cassandra, Hadoop/HBase, Amazon EC2, Java. I have worked with almost all available RDBMSes, many NoSQL engines (Hadoop/HBase, Cassandra, OrientDB, Neo4j, MongoDB), in-memory databases (Hazelcast, GridGain), clustered file systems and other similar stuff. Have a great experience in query optimization, application profiling and troubleshooting. Strong theoretical background in math, relational database theory, statistics and IT; broad software development industry's experience including but not limited to programming, object-oriented and database design, development for Windows/UNIX/Linux. I have good project management skills, experience in communication local and worldwide customers. Have no daytime job and focused on oDesk projects.  less

    lucene-search cassandra distributed-computing clustering multithreaded-programming amazon-ec2 database-programming cryptography project-management hadoop hbase java html sql c++ amazon-web-services amazon-s3 oracle-database ibm-db2 firebird postgresql mongodb data-analysis apache-solr apache-ant apache-maven apache-struts gwt apache-tomcat git github subversion linux-system-administration solaris-administration apache-thrift mysql hibernate rest soap 00 more less
    • $33.33 HOURLY RATE
    • 4.9
    • 8161 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 7 TESTS
  • Senior Java Engineer - Spring/REST/Security/Data Analysis

    I am a Senior Java Engineer with over 6 years of experience, a mathematical background and solid experience in all aspects of the software life-cycle, from analysis, architecture and design, development and testing, to installation and deployment of web applications … more

    I am a Senior Java Engineer with over 6 years of experience, a mathematical background and solid experience in all aspects of the software life-cycle, from analysis, architecture and design, development and testing, to installation and deployment of web applications. ===> Meta: - I blog at: www.baeldung.com - my github: https://github.com/eugenp - my Spring Security Course with Packt Publishing: http://www.packtpub.com/secure-your-web-applications-with-spring-security/video - I tweet at: https://twitter.com/baeldung I have delivered projects using: ===> Web: -- Spring platform development: Spring core, Spring MVC, Spring Security, Spring ORM and Spring Data, Spring Testing -- Java EE 6: Servlets, JPA, RESTful web services (JAX-RS, Jersey, Restlet, Spring Rest template, RestEASY), JSP -- Web Servers: Tomcat, Jetty, JBoss -- Front-end development: JSP, JQuery, GWT/GXT ===> Persistence: -- Persistence: Hibernate, JDO, JDBC, H2 -- NoSQL database development: Neo4j ===> Search, Data Analysis: -- Search Engines development: Lucene, Elastic Search, Solr -- Machine Learning, Crawling: Apache Mahout, Apache Droids, Apache Nutch ===> Ops: -- Monitoring solutions: CollectD, Graphite, Metrics -- Continuous Integration Engineering: Hudson/Jenkins CI, applying CI workflows/patterns/practices to existing development process, Continuous Deployment, Continuous database integration, Pipelining, Continuous testing -- Cloud Computing: Amazon EC2, Amazon S3, Amazon RDS, Amazon SES, jclouds, Amazon REST APIs ===> General: -- SCM and Build: Git, SVN, Maven, Ant -- Test Driven Development (TDD): JUnit, TestNG, Mockito, Powermock, Selenium and Webdriver UI testing  less

    java rest spring-framework security hibernate data-mining apahce-nutch apache-solr apache-mahout apache-tomcat git maven amazon-ec2 regular-expressions bash bash-shell-scripting linux-system-administration load-testing performance-testing software-testing spring-security jpa java-servlets-development rss subversion data-analysis recommender-systems junit multithreaded-programming data-structures test-automation test-driven-development jmeter api-development amazon-web-services amazon-s3 amazon-rds continuous-integration apache-maven jsp algorithms clustering eclipse 00 more less
    • $40.00 HOURLY RATE
    • 4.9
    • 2503 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 9 TESTS
  • PHP/MySQL Developer Specializing in E-Commerce Platforms

    Over the last 9 years, I have specialized in e-commerce. I got my start working on simple osCommerce installations. Since then, I have progressed to building and working with highly-customized and integrated platforms, becoming an expert in PHP/MySQL, HTACCESS … more

    Over the last 9 years, I have specialized in e-commerce. I got my start working on simple osCommerce installations. Since then, I have progressed to building and working with highly-customized and integrated platforms, becoming an expert in PHP/MySQL, HTACCESS, JavaScript, AJAX, jQuery, and XML. I have also had the opportunity to work extensively with many other frameworks and API's. I have a lot of experience with Google Adwords API, credit card and shipping interfaces, and numerous other external libraries. I enjoy challenge of optimizing applications for peak performance inventing new methods for automation, streamlining back-end operations, and providing custom analytics. I pride myself on being able to jump into a project quickly and to creatively solve nagging problems. Although I do have experience with HTML and CSS, I am in no way a designer. I am strictly a coder, and, simply put, I love my work. I have worked with over 140 clients on 225+ projects. Excellent communication skills and driven work ethic. I am a perfectionist, and I am not happy until the client is happy.  less

    php mysql oscommerce javascript jquery ajax phpmyadmin html ecommerce-consulting css cpanel xml github git google-adwords-api google-analytics-api payment-gateway-integration paypal-integration memcached ssl nginx jquery-mobile performance-tuning performance-testing algorithms system-automation order-processing network-security clustering wordpress pattern-recognition teaching-mathematics calculus geometry construction functional-testing inventory-management pci-compliance regular-expressions zencart authorize.net chemistry code-refactoring centos ssh cakephp 00 more less
    • $72.22 HOURLY RATE
    • 3.9
    • 2469 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 7 TESTS
    GROUPS:
  • Development of scalable Java applications

    Over last 8 years I was working on software development using Java. I have developed a wide range applications especially in such scopes: -- Web 2.0 applications. -- Highload applications: experienced with clustering applications, search engines, crawlers, scrapers, Amazon Web Services.

    spring-framework hibernate j2ee jsf grails apache-struts spring-security clustering amazon-ec2 amazon-web-services linux-system-administration database-modeling oracle-database mysql postgresql ibm-db2 javascript ajax jquery scrum continuous-integration apache-ant maven junit jpa ibatis jboss apache-administration redis apache-cxf crawlers web-scraping apache-solr lucene-search hadoop hbase ocr-tesseract c++ olap etl talend-open-studio 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 2626 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 2 TESTS
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