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Last updated: October 1, 2015
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Anton Nashatyrev

Anton Nashatyrev

Java professional with 15 years of experience in top rated companies

Russia - Tests: 2

Professional Java developer with 15 years of experience. Know the Java inside out: worked on the Java platform at Sun, Intel and Oracle. Computer science master degree at Saint-Petersburg State University.

100% Job Success
$50.00 /hr
0 hours

Marek C.

Quantitative analyst, R, matlab, Data scientist


I am looking for challenging problems that require mathematical skills, ingenuity, programming skills, and deep and original thinking. I worked for a few different companies and always on very interesting problems. I am looking for project in the areas of algorithms, machine learning, probability, stochastic methods, signal processing, data compression, predictive methods, mathematical methods in finance, high frequency trading strategies, genetic algorithms. risk analysis, adaptive learning algorithms, discovery of patterns, data analysis, evolutionary computation. Learning classifiers, wavelets and all preditictive methods ( svm, hidden Markov models, neural networks) applied in financial markets. I spent also a lot of time developing trading strategies in different markets, using machine learning algorithms, genetic programming. My favorite tools are matlab and R.

$28.89 /hr
55 hours

Stephanie Hintzen

Stephanie Hintzen

Bioinformatics Scientist

United States - Tests: 2 - Portfolio: 1

I am looking to keep learning and to expand my skills through some free lance work. I hope to try new things and to earn some extra money. Most of my skills are in biology, but I have considerable computer experience. In addition to the skills listed below, I have also dabbled (and can code my way out of a bag) in: C++, PHP, MSQL But as I don't code in them often, I didn't want to list them as something I am "skillful" in. Check out my professional profile and connect with me on LinkedIn.

$12.00 /hr
10 hours

Rob H.

Rob H.

Expert Infrastructure Architect and Data Integration w/Biz background

United States - Tests: 4

I have over 19 years experience in the IT field. My main experience is with iSeries(AS/400) at a senior engineer/architect level. I have a very deep background in performance analysis, OS support, upgrades, and configuration. I also have an expert background in Information Management that includes data governance assessments and implementations. I have experience with Infosphere CDC(DataMirror), Information Server, DataStage, QualityStage, Infosphere Discovery. I am looking for opportunities to assist you with my data management skills on all platforms(not just iSeries). Also experience with HMC, Oracle 10 and 11g(RAC), CDC, DB2, Solaris, Tru64 Unix, MPE, HP3000, Control-M, iDoctor, Performance Explorer(PEX), MB Performance Tools, Performance Navigator, Websphere MQ, Mimix, iTera, BRMS, DBMon, Visual Explain, Tibco, Aldon, MKS Implementer, Robot, MAPICS, Interactive Voice Response systems(IVR), PKZIP, Java, CL, RPG, ILE, Toad.

$22.22 /hr
2 hours

Nag Y

Data Sciences, Enterprise application Predictive Modeling Professional

India - Tests: 2

Nag currenty drives the Analytics team. He has executed & delivered a few flagship projects in the areas of business intelligence & data mining across some of the large organizations including Alcatel Lucent, Aricent Software Systems, Coginzant . Nag has the experience of handling data-intensive assignments involving millions of customer base. He has led a few first-time-in-the-industry projects that required R&D and application of algorithms tailored to the domain. Specialties:Nag ’s competencies include: - A smart professional with 8+ years of experience in Enterprise applications. Hands on experience in developing multi tier architecture applications using Java, SOAP,Hibernate,Spring,Design Patterns ,OOAD,API design. Three years of experience in Big Data platform using Apache Hadoop and its ecosystem. Expertise in ingestion, storage, querying, processing and analysis of Big data. Experienced in using Pig, Hive, Sqoop, Oozie, Flume, HBase. Good experience with the Hive Query optimization and Performance tuning.  Hands on experience in writing Pig Latin Scripts and custom implementations using UDF'S. Good experience with Sqoop for importing data from different RDBMS to HDFS and export data back to RDBMS systems for ad-hoc Reporting.  Experienced in batch job workflow scheduling and monitoring tools like Oozie. Extended Hive and Pig core functionality by writing custom UDFs. Experienced in analyzing data using HiveQL, Pig Latin, and custom Map Reduce programs in Java. Worked as technical team lead/off shore coordinator in leading multiple projects for timely deliverables. Comprehensive problem solving abilities, excellent verbal and written communication skills, willingness to learn, Team facilitator. Successfully plans and coordinates teams for multiple IT projects with managing time lines and budgets efficiently by analyzing, designing, and implementing cost-effective solutions Able to think "out of the box" and make critical decisions. Able to work effectively under pressure with changing priorities and deadlines. Provided direction for development, migration, and integration activities. Sees projects through from inception to deployment. Big Data analytics: storing and mining large & complex data - Customer scoring for various propensities: likelihood of churn, sale etc. - Product analytics: price elasticity of demand, market baskets - Web analytics: e-commerce & digital marketing optimization - Text mining: converting text into structured data, extracting semantics - Transforming academic research into industry applications - Building an analytics layer over existing ERP & CRM applications. Apache Spark jobs in Scala and MapReduce jobs in Java, Sqoop, Flume, Zookeeper, HBase and Hive . Hands on experience in installing, configuring and using ecosystem components like Hadoop MapReduce, HDFS, Hbase , Zookeeper, Oozie, Hive, Sqoop, Flume. Extensive experience in SQL and NoSQL development. Experience in data analytics using Apache Spark in Scala. Excellent Knowledge implementing Hadoop with the AWS EC2 system using a few instances in gathering and analyzing data log files. Working on data using Sqoop from HDFS to Relational Database Systems and vice-versa. Working on Hive/Hbase vs RDBMS, imported data to Hive, partitions, indexes, views, queries and reports for BI data analysis. Developing data pipeline using Flume, Sqoop, Pig and Java map reduce to ingest customer behavioral data and benefits histories into HDFS for analysis. Worked on RDDs and aggregate functions applied on them to get the required results. Working as a Implementation Analyst for configuring the benefits and events based on the BRD documents and processing them Web Development: Involved in various phases of Software Development Life Cycle (SDLC) as requirement gathering, data modeling, analysis, architecture design and development of project. Designed UI using JSP and HTML and validated with JavaScript for providing the user interface and communication between client and server. Worked on XML schema and SOAP message. Developed business logic activities by developing business service classes. Involved in web development using RoR technologies. Worked on different gems for authentication, building role base systems. Worked on Integration with other api and consuming their apis e.g. Twitter , LinkedIn, Facebook and Instagram Worked on integrating different payment system with the web applications e.g. PayPal, Authorize.ent, Heartland , Braintree etc. Experienced in deploying the Rails web app to VPS server e.g. Linode, Digital Ocean, Amazon EC2 , Rackspace etc with the apache passenger and ngnix server. Worked on writing the deployment scripts and cron schedulers. Worked on Redis and elastic search

$30.00 /hr
0 hours

Vivek Y.

Vivek Y.

Certified - Web Programming, Data Mining , Cloud and System Engineer.

India - Tests: 2 - Portfolio: 2

I'm a professional freelance web and system engineer from India working Web , Data Mining , Analytics, Cloud, System and Data Scrapping Domains. Over the last 5 years I've worked for many project for several companies that provide high range of web and system level programming. My role was to keep all the web and system work in my hands, also communicate with the other developers to achieve the perfect result for a client. Always looking for a full-time position of a Web and System Programmer. I also did data analysis for a number of researches and projects over 2 years and helped client to better visualize the results. I'm an expert in what i'm doing: responsible, reliable and communicative person. Technologies: Operating System and Hypervisor: GNU/Linux(Ubuntu/Centos), VShpere. Web and XML Technology: HTML, CSS, Javascript, XPath, XQuery. Programming Environment: VIM, Eclipse, Visual Studio, NetBeans. Analytics Technology: Hadoop, R, Weka, Cloudera, Informatica. Programming Language: C, C++, C#, Python, Java. Database and Other: Oracle, MySql, AWS, Latex, GDB, Valgrind.

$16.67 /hr
230 hours

Maryrose Ogwel

Maryrose Ogwel

Data analyst,entry level statistician

Kenya - Tests: 3

Maryrose Achieng' Ogwel is a Kenyan citizen.She recently graduated with a bachelor's degree in Mathematics and computer science from Jomo Kenyatta university,Kenya with a second upper class division.She also has certificates in SPSS ,R and ICDL. She has worked as a corporate planning intern in 2013,a data analyst assistant in 2012 and a sales agent in 2011. Her career objective is to work in a challenging environment that has growth potential and apply my analytical, statistical and programming skills to solve challenging problems in predictive modeling, data mining, data management and analysis. Her skills include: • Data Entry , Analysis and Report writing • C and C++,HTML,XML programming • SPSS • Statistical Analysis • R • MS Office(Word, Access, Excel, Power point, Outlook) • Website Designing In her spare time;Maryrose enjoys swimming,cooking,playing badminton and traveling.

$5.00 /hr
0 hours