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Gavin Maximilian

Hadoop Developer/Administrator and Content Editor

$28 / hr

$31040+ earned

  Finland

I am a Hadoop Developer/Administrator and Content Editor. Developed Oozie workflow to automate the loading of data into HDFS and Pig for data pre-processing. Architected 60-node Hadoop clusters with CDH4.4 on CentOS. Successfully implemented Cloudera on a 30-node cluster. Leveraged Sqoop to import data from RDBMS into HDFS. Developed ETL framework using Python and Hive (including daily runs, error handling, and logging) to glean useful data and improve vendor negotiations. Performed cleaning and filtering on imported data using Hive and MapReduce. Developed and designed a 10-node Hadoop cluster for sample data analysis. Regularly tune performance of Hive and Pig queries to improve data processing and retrieving. Run Hadoop streaming jobs to process terabytes of XML data. Created visualizations and reports for the business intelligence team, using Tableau. Analyzed datasets using Pig, Hive, MapReduce, and Sqoop to recommend business improvements. Setup, installed, and monitored 3-node enterprise Hadoop cluster on Ubuntu Linux. Analyzed and interpreted transaction behaviors and clickstream data with Hadoop and HDP to predict what customers might buy in the future. Setup the ganglia monitoring tool to monitor both hadoop specific metrics and also system metrics. Wrote custom Nagiosscripts to monitor Namenode, data node, secondary name node, job tracker and task trackers daemons and setup alerting system. Experimented to dump the data from MySQL to HDFS using sqoop. As a content editor wrote copy sourced material and developed ideas. Proofed and edited online copy for newspaper website. Ensured all articles and posts followed correct grammar and style guidelines. Tested website usability and appearance for attractiveness and errors. Designed new features for site to increase user engagement. Monitored website communications and escalated problems.

Martin Sokolov

Full stack/ Mainframe Programmer and Aix Administrator

$25 / hr

$24000+ earned

  Ukraine

I am a professional Full stack developer having proven experience in Mainframe Programming and Aix Administration. I have supported system programmers and engineers to quickly address and resolve any issues generated by batch processing and automated jobs. I have performed backups on Proxy, Stock, Dividends and systems development production libraries through batch processing and automated interfaces. Improved batch processing by creating and deploying automated panels or applications, scheduled, processed and monitored thousands of batch jobs and automated panels. I have assisted production support managers and attended and participated in disaster recovery meetings held at various locations. I have performed maintenance and troubleshooting on existing applications as well as developed new applications in support of business objectives. I have generated more complex technical assessments, developed solution alternatives, evaluated options and provided recommendations considering efficiency and cost effectiveness to achieve complete solution development, problem resolution and/or system maintenance that meets the business needs. I was responsible in the support and maintenance for different sub-systems of the company, by developing new programs and/or modifying the existing ones. Developed and implemented change requests for enhancements and regular maintenance changes. Let me also mention that I have written technical design documents and program specifications. I have worked with QA analysts, business analysts and business units in resolving issues found during system testing, integration testing and user acceptance testing. For many years I have worked as an Aix Administrator and I have provided technical support on the various functions of the AIX operating system, coordinated changes and upgrades with other groups and users. I have worked with data center staff on various functions and procedures, wrote and maintained scripts to automate daily and manual procedures and maintained scripts for OS and file system backups. I have successfully upgraded AIX, coordinated upgrades with various groups and users. Worked with IBM and Vendor support and applied AIX maintenance. I have responsible for multi-million dollar software budget and negotiated contracts with vendors for equipment and software as needed. Provided leadership as well as hands-on technical support of AIX. Installed and customized all of the software listed below under Mainframe environment and was heavily involved with the selection, contract negotiations and project planning. I have designed an electronic change management process that allowed for automated fall back of programming and Job control changes. Developed improved methods for tracking storage subsystem usage, resulting in significant cost savings due to system downtime, supported AIX systems in disaster recovery exercises and performed day to day system monitoring and administration of AIX systems. I have provided a detailed documented operational procedure to the client as a part of the contract requirement and did knowledge transfer for the entire build and test environment. I have implemented and maintained several client-server applications on AIX platform and provided remote technical support for the AIX software team.

Adam Iskic

Senioir Mobile (IOS && Android) Developer

$21 / hr

$6820+ earned

  Croatia

As an iOS developer I have been responsible for developing applications for mobile devices powered by Apple’s iOS operating system. I am proficient with Objective-C and Swift. I also have a strong understanding of the patterns and practices that revolve around the iOS platform. I have designed and built applications for the iOS platform, ensure the performance, quality, and responsiveness of applications, collaborate with a team to define, design, and shipped new features, Identified and corrected bottlenecks and fixed bugs,helped maintain code quality, organization, and automatization. I am proficient with Objective-C and Swift, and Cocoa Touch. I have experience with iOS frameworks such as Core Data, Core Animation, experience with offline storage, threading, and performance tuning. I am familiar with RESTful APIs to connect iOS applications to back-end services. I have good understanding of Apple’s design principles and interface guidelines and I am experienced with performance and memory tuning with tools. I am familiar with cloud message APIs and push notifications, knack for benchmarking and optimization and proficient understanding of code versioning tools. I am experienced with Android developemnts as well. I have designed and developed advanced applications for the Android platform, made unit-testing code for robustness, including edge cases, usability, and general reliability, improved application performance. I have esigned and built advanced applications for the Android platform, collaborated with cross-functional teams to define, design, and ship new features and worked with outside data sources and APIs. One of my primery duites has been unit-test code for robustness, including edge cases, usability, and general reliability, working on bug fixing and improving application performance, continuously discoverd, evaluated, and implemented new technologies to maximize development efficiency. See below, please my skills and experience: - BS/MS degree in Computer Science, Engineering or a related subject - Proven software development experience and Android skills development - Proven working experience in Android app development and - Have published several original Android and IOS apps - Experience with Android SDK and IOS SDK - Experience working with remote data via REST and JSON - Experience with third-party libraries and APIs - Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies I am sure you will find my experience and skills valuable for yur projects and We will have mutually beneficial and fruitful cooperation!!

Dario Genualdi

Web developer and graphic designer

$6 / hr

$0+ earned

   

I'm a web developer and graphic designer. I studied graphic design for 5 years and then I started to learn how to build web site using HTML, CSS, Javascript, PHP and more programming languages.

David Parker

Full stack software developer

$25 / hr

$9760+ earned

  United Kingdom

I am a Full stack software developer worked on different software projects: database applications written in C++ and based on MS SQL Server (sales manager, taxi dispatcher etc); network applications in C++ and C# (remote administration tool, file server, multi-player game etc); archiving and encrypting applications; 3D-graphics applications using OpenGL (e.g. traffic modeling system); multimedia processing applications; MS Office interoperation applications; system/hardware tools. Built a solid reputation for delivering high-quality, cost-efficient technological solutions and tools driving business development. Managed all aspects of business and project development from initial scoping through strategic and fiscal planning to final testing and delivery. Performed detailed analysis of business requirements and developed comprehensive plans defining and scoping project requirements. Created specific software and devised testing scenarios to ensure optimum levels of efficiency. Established clear timeline and monitoring systems to successfully manage project delivery within agreed-upon time frame and budget. MS Visual Studio, UML, IBM Rational ClearCase (CM/sysadmin), IBM Rational ClearQuest (CM/sysadmin), VMware ESX, SourceSafe 6, HP (Mercury) Quality Center / HP ALM, Subversion, BMC Remedy, Team City, Jenkins, IBM JAZZ/CLM (RTC, RRC, RQM) Windows 2k3/2k8 Server, Linux, SUN/Solaris, Windows XP/7 MS SQL Server 7/8/9, MySQL, Db4O, Microsoft LINQ C++, NET/C#, PERL

Alice Morgan

Web & Software Developer and Designer

$24 / hr

$9600+ earned

  Switzerland

I am a Web and Software/Script Developer and Engineer having more than 7 years development experience, having worked for various companies and individual clients, developing a wide range of websites using HMTL, DHTML, ASP, J2EE, MySQL, and MSSQL including sites and systems. I adhere to industry best practices, and bring to your projects the disciplines of MVC framework design patterns such as CodeIgniter in PHP, Git version control, and project management systems such as Jira, Unfuddle, and Trac. I've been using Python frameworks (like TurboGears2, Flask or Django) for web development , I'm also very capable of working on a more traditional stack using WordPress, Drupal or CodeIgniter. I can do frontend development also using HTML/CSS and I'm particularly fond of jQuery for AJAX behavior and in-browser animation. I provide creative, high-tech solutions to your web design and programming needs. I have broad experience in Linux, Apache, MySQL and PHP / Perl. (Also known as the LAMP stack.)

Frank Henry

Business Cards and Stationery

$15 / hr

$0+ earned

  United Kingdom

Greetings and Welcome to my profile. Talking about my skills is extremely vague but that one particular skill in which i have high levels of expertise is Business Cards and Stationery. My work will give a better look to your business and motivate the chances of getting profits out of the business's financial development. Whenever you need my assistance, Contact me. Thankyou

Alan Clarke

Marketing Strategy

$20 / hr

$0+ earned

  United Kingdom

Hello! People i am have spent a life time becoming an expert and Professional Marketing Head and have work my way relentlessly throughout many years working for different organizations and Corporations for Marketing Strategy. I will provide my services in a neat and clean manner without any collateral damage to your business. Contact me For hiring and shining. Thank you