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Last updated: August 1, 2015
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  1. Arthur Kowalczyk

    Arthur Kowalczyk

    Senior PHP / Rails Developer, CTO

    United States - Last active: 4 months ago - Tests: 6

    I currently hold 1st place in the PHP programming test on oDesk -- the product of over a decade spent developing for the LAMP platform. The following is a brief overview of my relevant experience: ✔ PHP, Javascript, HTML, CSS (15 years experience) ✔ MySQL (12 years) ✔ Ruby on Rails (4 years) ✔ jQuery (5 years) ✔ Linux administration (12 years) The highlight of my career was my work as Chief Technology Officer for Five Digit Media Inc., an internet company I joined in March of 2005, which became very successful in late 2006. I was already an expert programmer when I joined the company, but the 6 years I spent as CTO have taught me valuable lessons about team work, leadership, and what it takes to run a successful IT business. Over the next year, I would like to work with creative individuals on oDesk, while further sharpening my skills. I have hired and managed developers myself, so I understand the employer's perspective well, and what is expected of an exceptional web developer.

    $60.00 /hr
    2 hours


    Data Engineer - DW/BI & Big Data Hadoop, Spark, NoSQL

    United Kingdom - Last active: 10 days ago - Portfolio: 4

    Holds Engineering degree in Computer Science and experienced in building Enterprise DW/BI and Big data application. Experienced in migrating traditional Data Warehouse application to Big data Lambda architecture. I have operated in Great Britain (London) area working for Tier 1 business organisations in building enterprise DW and Big data applications. Trained in Big Data eco systems (Hadoop, Map Reduce, Pig, HiveQL, HBase, Spark - Shark). Implementation of Big data Lambda architecture in a multi node clusters in Hadoop 2.0 Having hands on experience in major RDBMS like MySQL, Oracle, PostgreSQL, SQL Server and NoSQL - MongoDB with document Query Language. Specialties: • DW/BI and OLAP Data modelling (Star, Snowflake schema, Normalisation, ) • ETL data Integration through Pentaho Data Integrator (KETTLE, SPOON) and Python ETL, Oracle SQL Loader, Oracle Data Pump. • Advanced PostgreSQL and PLPgsql/ PL/SQL programming (Functions, Packages, Collections, Partitioning, Hierarchical queries, Bulk Binding, Inlining, Indexing, Dynamic SQL, Analytical function, Data Mining API, Performance tuning, SQL factory, pipelined function Explain Plan, Trace O/P etc.) • Java, Collections - List, Tree, Hash Map, Set etc., Generics, Fork - Join. • Data visualization, Dashboard Creation, Customer Scorecard and KPI Modelling • Reporting - Tableau Data visualization. Analytical report, Operational Report, Subjective and Statistical Analysis on customers, data, Multi-variate analysis, clustering, K-means, Hypothesis Testing. • BIG Data eco system : o Data Mgmt : Hadoop & YARN o Data Access: Java Map Reduce, Pig, Hive, Solr, Spark, HBase, Storm. o Governance & Integration: Sqoop, Flume, Kafka o Operations: Oozie, Zookeeper o Libraries: Spark SQL, Spark mlib. o NoSQL: Mongo DB, HBase • Functional Programming using Scala and implementation of Spark streaming.

    $22.22 /hr
    0 hours
  3. Shakil Ahmed

    Shakil Ahmed

    Expert Web Scraper, Web Development Analyst and Programmer

    Bangladesh - Last active: 29 days ago - Tests: 3 - Portfolio: 3

    I am honest, hard-working person. Always try to learn new technologies, techniques and try to carry out with best practice. I have 5 years of experiences in development and scraping. I love programming. Web development is an ongoing iterative process, but always need some proper base, planning. By those, the development will be a happy journey. And it will give mature and full featured app/site. Otherwise it will be developer’s nightmare. - As a web development analyst, I plan the app with requirement analysis (use cases, uml etc.) to make sure future proof, scalable, fast performance, better security, better log etc. Programming is an art. Object oriented programming give a structural system. It makes the system easy to maintain, reusable and properly modifiable. And it also provides cost optimization for long run. - As a programmer, I always do object-oriented programming, also provide easily understandable variable and function naming convention. And also try to follow SOLID principle, Design patterns etc. Test driven development lead to more modularized, flexible, and extensible code. This effect often comes about because the methodology requires that the developers think of the software in terms of small units that can be written and tested independently and integrated together later. And it also ensure future change without fear. - I always do test driven development(TDD). It build confidence on my code, and also provide a documentation how my code is working. I also do other tests like acceptance test/functional test. Some time I also do behavioural test development. Scraping is a fun part. Sometimes companies/persons need others information for their research to develop/modify product. - I love scraping. It’s a passion to me. I use java, phantomjs to do the parsing with multi-threading for faster parsing.

    $11.11 /hr
    0 hours
  4. Nishitchandra S.

    Nishitchandra S. Agency Contractor

    PHP Expert , 5 years experience

    India - Last active: 10 days ago - Tests: 3 - Portfolio: 3

    Over the last 5 years, I have worked on a wide range of websites using PHP,Java, javascript, jquery,API and MySQL including sites for startup companies and small businesses.i have worked on simple websites to complex development. My core competency lies in complete end-end management of a new website development project. i can work on any php framework & in that Joomla , wordpress , prestashop , codeignitor are my expertise. I have worked on different API as well. Basically i have clear understanding of fundamentals & I am seeking opportunities to build websites from the ground up for you or your business. please check my profile and 100% positive feedback , what past client has provided. my clients calls me " de facto the problem solver" i would love challenging and interesting project to work on. feel free to to ask anything if you need.

    Groups: JomSocial, PHPFox

    Associated with: Laitmatus Software

    $25.00 /hr
    332 hours
  5. Casey Kay

    Casey Kay

    American with Chinese Fluency, Translation, Sourcing, Quality Control

    China - Last active: 5 months ago - Tests: 1

    My name is Casey Kay and I am an independent export trade agent and consultant from America, currently living in China. I have lived and worked in multiple cities throughout China’s Eastern seaboard for the past four years, gaining invaluable experience and skills in a wide range of industries. I am currently based out of the Shandong Province, in the city of Zibo. Zibo is the largest manufacturing city in the entire province. The main production industries are, but are not limited to; ceramic tile and ceramic goods, building, automotive and flat glass, pharmaceuticals and medical equipment/supplies, chemical producers of all fields, and machinery part manufacturers. As an independent agent, I represent American companies that are interested in purchasing high quality, competitively priced products from China. My responsibilities and value-added services include; efficient and effective communication between supplier/manufacturer and customer/company, price, quantity and terms of delivery negotiation assistance/translation, overseeing and inspecting products during all steps of production to ensure quality standards are reached, guaranteeing on-time shipment and delivery of goods, etc. I am very passionate about what I do and take pride in the successful and professional matter in which I complete each project to my customer’s satisfaction. My strong business and relationship network including; manufacturers, traders, government officials and suppliers gives me an intangible competitive advantage in comparison to other trade agents. As you may know, relationships and networks in China, known as “GuanXi”, are the most important underlying factor in all business negotiations and product pricing. I am very interested in hearing what products you are requesting to import and I look forward to the possible opportunity of providing you with the most reliable, timely and competitive export/import service. In 2012, a Chinese businessman and I started an English Language Training Center in Nanjing. As the Vice-Principal and Director of External affairs, I played a large role in developing the company from the ground up. As well as finding, hiring and managing 5 American foreign teachers, I also taught students at Nanjing University as a professor of Business Communications. I have a strong passion for doing business in China, and believe that my knowledge of the Chinese language, business culture and sales strategies would provide an asset for your company. During my undergraduate studies at Trinity University, I was a scholarship member of the men’s soccer team and received my Bachelor’s of Science in International Business and Mandarin Chinese. As an undergraduate, I spent two summers in Shanghai, working for two vastly diverse companies. In the summer of 2009, I worked for Hella Trading Shanghai Co. Ltd; a subsidiary of the German based International Corporation, Hella KGaA Hueck & Co. During this internship, I was assigned to both the Product Management department and Human Resources department. My duties included; creating an innovative and functionally efficient product database, translating all human resource documents from Mandarin Chinese to English and collaborating with fellow coworkers to create marketing presentations in both Mandarin Chinese and English. The following year, I was given the opportunity to work as the interim marketing director for The China Wine Museum Co. Ltd; a privately owned wine import and distribution company, serving all of Mainland China. During my three month contract, I created a new website for the company, compiled S.W.O.T and other market analysis reports/presentations, designed multiple advertisement campaigns, translated documents and attended wine conferences as an American associate to the company. My experiences with multiple different styles and sizes of companies have enabled me to comprehensively analyze the positive and negative aspects of unique operations management, internal structure and organizational tactics. I am very passionate about international marketing and market research and believe that my understanding of the business culture of China will enable me to provide a valuable set of skills and assets to any sector of a company. I am confident in my ability to translate from Chinese to English and also from English to Chinese with the clearest and correct use of tone, grammar and function, as I have had years of experience doing this type of work for all sorts of projects including business contracts, Human Resource documentation and American legal documents. Thank you very much for your consideration and I look forward to being in contact with you in the future. Best Regards, Casey Kay

    $20.00 /hr
    0 hours
  6. Zhirayr G.

    Zhirayr G.

    Agile web development

    Russia - Last active: 6 months ago - Tests: 3 - Portfolio: 2

    Hi, My name is Zhirayr. In my portfolio, are a few of the programs that I've developed. I believe my strong points are my Creativeness and Punctuality. My #1 goal will always be to meet your needs and deadline. When working on a new project, I like to speak with the client, so that I can have a clear understanding of his/her needs and vision of the project. I'm honest and fair. Since 2008, I'm freelance web developer. Mostly work with backend (big data, cluster programming, high load). Also from 2012, I develop Ruby / Ruby On Rails applications and websites. Thank you in advance for your time and consideration. I look forward to working with you soon. I have a Bachelors in Software Engineering from Moscow Aviation Institute (National Research University), in the Russia. Listed below are my experience and skills. — Ruby; — PHP; — Frameworks: Ruby On Rails, Sinatra, Laravel, Phalcon; — Core web: XML, JSON, HTML/CSS, JavaScript; — OS: Mac OS X, Linux; — VCS: Git, SVN; — Bug/Issue trackers: Jira, Assembla, Redmine; — SQL: PostgreSQL, MySQL; — NoSQL: Riak, MongoDB, Redis; — AWS: EC2, S3, CloudFront, ElasticBeanstalk, EMP, etc; — UML.

    $38.89 /hr
    0 hours
  7. Snezana Tumiene

    Snezana Tumiene

    Finance and accounting expert

    Lithuania - Last active: 4 months ago - Tests: 1

    Over 20years of progressive experience in financial planning and analysis, budgeting, forecasting and bookkeeping. Having high expertise in Microsoft Dynamics Axapta and other Microsoft office products, I am also familiar with Pragma,Scala, Agnum programs. I am fluent in Russian and Lithuanian, have intermediate proficiency in English, both written and spoken, basic knowledge of Polish and Ukrainian. I consider constant skills improvement and refreshment to be essential to deliver the best quality in any work, so I am always looking for ways to grow and learn. Having worked in the financial sector for many years now, I have gained not only direct skills, but also deepened knowledge in sales, product development and distribution. I am persistent, patient, hard working and not afraid of new challenges. Have switched from office work to freelancing just recently and can’t wait for new challenges and opportunities to come - feel free to contact me!

    $17.00 /hr
    0 hours