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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.

Adonis Booras

Hardware developer/CAE engineer and Full stack developer

$25 / hr

$16625+ earned

  Greece

I am a professional Hardware developer/CAE engineer and Full stack developer having 7+ years of experience in these fields. For many years I have created and executed various test routines to determine hardware quality and stability. I have designed, developed and tested software for a distributed maintenance server platform. Determined severity and root causes of problems, coordinated updates, documented issues and contributed to successful product deliveries. I have supported system and unit hardware verification for Intel based high end servers and mentored other team members. Provided production support of technical issues that impede the production schedule and analyzed the reliability improvement solution for existing products. I have developed, collected, documented and supported digital, analog and/or mixed signal electronics hardware, wrote and maintained block level testing environments. I have analyzed and diagnosed a significant customer problem and created solutions by running tests in parallel that met aggressive deadline, and delivered higher value testing ahead of schedule. Developed test configurations for a complex product with numerous interfaces and detailed test plan. I have also coordinated with hardware engineers on installation and placement of the equipment in the data centers. Let me mention that I am an experienced CAE engineer I have collaborated with design and IT departments in the development of in house finite element analysis procedures, participated in the company level assessment of computer aided engineering software for departmental improvement and presented analysis results to customers during concept design and product design reviews. I have worked to design and implement emergency vehicle component improvements to address part failures already in usage. Performed linear static, non linear static and random vibration analysis on vehicle systems and developed dynamic low speed impact simulations. I have analyzed CAE analysis results and made recommendations for changes or modification and created analysis report files and presentations. Led weekly CAE set meetings to discuss issues related to the program and proposed design improvement to avoid mechanical failure.

Alfred Ernest

Illustrator

$33 / 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 illustration. 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