Top Upwork Freelancers

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  1. Guangming L.

    Guangming L.

    Data Scientist and R Expert

    United States - Last active: 2 days ago - Tests: 7 - Portfolio: 5

    I'm a data scientist and expert R programmer with 7 years of experience. I specialize in solving mission critical business problems using advanced data analysis, machine learning and web technologies. I'm known for quick turn-around and excellence amongst my clients. I live in Ann Arbor, Michigan, USA (time zone: EST). I'm passionate about finding insights from data and making beautiful data products. In particular, I'm very competent at 1. data scraping 2. data wrangling 3. descriptive & exploratory analysis 4. data visualization 5. inferential & predictive analysis 6. pattern recognition and clustering 7. supervised & unsupervised machine learning algorithms 8. building analytic web apps 9. the R programming language Some of my recent for-fun projects include a couple of analytic web apps and a book on how to do data analysis using R. They are listed under the portfolio section below. Make sure you check them out. I also love to teach people how to use R to do data analysis, and I do that through MasterR.org, an online community where you can receive high quality training materials for FREE. I used to work for FICO, where I built scorecards for the Picture People to predict customer response rates to their marketing campaigns. My scorecards doubled their ROI. I also built customer segmentations for Canadian Tire Bank. It gave the executive team a holistic view of their customers for the first time. I have a master's degree in Biostatistics from the University of Michigan and a bachelor's degree in mathematics from the New College of Florida. I'm an avid MOOC taker, constantly learning new things in the field. I took all the courses in data science, statistics, data mining and machine learning from Coursera, Udacity, Edx, and Khan Academy. I have strong work ethics and respond to all my messages in less than 12 hours. Contact me if you need help with analyzing data. Have a great day! -Guangming

    $100.00 /hr
    611 hours
    4.97
  2. Ariel Humphrey

    Ariel Humphrey

    French-American IT/Internet Contract & Environmental Law Attorney

    United States - Last active: 22 hours ago - Tests: 5

    Ariel Humphrey is a French-American licensed IT/Internet/Entertainment Contract & Environmental/Water Law Attorney ranked "Number 1" amongst all of the top Odesk Attorneys. His activity is mainly aimed at: (i) helping IT/Internet/Entertainment (Music/Film/Art/Sports) companies/businesses to be perfectly managed from a legal and contractual perspective (to this extent, his services include drafting, editing, reviewing, proofreading, creating or translating sophisticated Contracts/Agreements in the field of Business law in general), and (ii) providing Legal Consulting/Research Services to Organizations and Individual (throughout the world) the actions and projects of which go towards protecting the Environment (Clean/Renewable Energy (Wind/Solar etc.) Projects) and more specifically Water Resources. Such Organizations and individuals may include Ecologists, Environmentalists, Hydrologists, Hydro-Geologists, Businesses, NGOs, Universities, Academics, Scientists, Beekeepers, Farmers, Engineers, Policy Makers, Lobbyists, Government Agencies, etc.) He takes care of his clients until they are fully happy with my work ! He always goes the extra mile for them no matter what! He can be reached on Skype 24/7 !

    $95.00 /hr
    2,121 hours
    4.98
  3. Dragan T.

    Dragan T.

    ebook | Kindle | Graphic | Typesetting | Design | InDesign | Photoshop

    Croatia - Last active: 2 days ago - Tests: 5

    My 10+ year working experience is closely related to editing, formatting and conversion from any source format into digital/printed supported file for all the major publishers. If you are looking for a reliable contractor whose experience is closely related to book designing (digital and printed), Desktop Publishing, Graphic designing, illustration, editing, Typesetting, someone who can make your ideas come true, you are looking at the right person. I have worked with various publishing companies as a senior editor and a designer for document formatting, PDF, Print Design, Adobe-illustrator, Adobe-Photoshop and Indesign.for ebook/Book/Magazine/Newspaper. In summary, I offer the following services: - Cover design (Kindle cover,2D,3D, CreateSpace,front-spine-back cover) - Logos - PDF/ebooks - Typesetting & Formatting - Print Design & Books - Kindle - ePub for Android, Apple and other e-readers - Fixed layout - Publishing. I can help you with publishing to all major retailers such as Apple Store, Amazon, Barnes & Noble. - Marketing and promotion of eBooks - Createspace/Lightning Source/Kobo publishing With my experience, knowledge and constant up-to.date information, I deliver the right file type for the publication method, and I advise how to use the same developmental files to create products that are suitable for both print and e-delivery, saving time and money on multi-use projects. I am seeking opportunities to build long-term relationship with my future employers and to build myself a good reputation through my diligence and hard work.

    $33.33 /hr
    880 hours
    4.96
  4. Karine S.

    Karine S.

    SENIOR TRANSLATOR/PROOFREADER English/French (native)

    United States - Last active: 17 days ago - Tests: 9 - Portfolio: 8

    ~~~ BILINGUAL ENGLISH/FRENCH TRANSLATOR & PROOFREADER ~~~ ~Always thriving to provide translations that reflect the quality of your company's products and services~ (no machine translation!) French born and raised Lives in the USA (EST/EDT) 9 years of experience / certified translation Highly skilled and motivated Areas of expertise: - Law; Medical; Apps/games; Fashion BIO Après avoir obtenu une Licence en Anglais et avoir suivi une formation de traductrice commerciale bilingue, Karine s’installe aux États-Unis en 2005. Linguiste passionnée, elle a travaillé en tant que traductrice, éditrice et interprète pour de nombreuses entreprises internationales. Son sens aigu du détail l’a poussé à se spécialiser dans la révision et la traduction de documents. Passionnée par la maitrise du français et de l’anglais, Karine prend un plaisir particulier à bien comprendre les besoins de chaque projet et de chaque client afin de rendre une traduction ou assurer une révision avec une précision des plus fidèle. {Background} B.A. in English Literature and Civilization Bilingual training course: ‘Business Translation’ 1st in-house position as a translator: Technical Translator Fr>En, Iveco France - 2004

    Groups: oTranslators

    $37.00 /hr
    2,649 hours
    4.96
  5. George Tsirogiannis

    George Tsirogiannis

    4+ years of experience in filmmaking, editing and graphic design

    Greece - Last active: 2 days ago - Tests: 11 - Portfolio: 7

    *** Currently using the latest Adobe CC 2014 software *** BIO I am a filmmaker and freelance graphic designer. I have a diverse education, including film, graphic design and motion graphics at the Dept. of Audiovisual Arts of the Ionian University in Corfu, Greece. My focus is film. I am extremely interested in working on creative film and graphic design projects that need a fresh and modern character! My attitude towards working with clients is "create, get feedback, improve, get feedback, polish, deliver". I am very patient with clients and what I want most is the client to be satisfied with the final result. In my four-year working experience with clients, I've been creative, fast and cooperative. I do what I do because I love it. Creating things is my natural space. In graphic design, my original style is modern and minimalist, though I can achieve any look you need to get. I like to deliver customized creative solutions, and not just template copy-paste work. Highlights of my film and video work are available at www.georgetsirogiannis.com My full graphic design portfolio is available at www.be.net/amberturecreative Thanks!

    $38.00 /hr
    586 hours
    4.99
  6. Marina Veselinovic

    Marina Veselinovic

    Expert illustrator, traditional and digital artist

    Serbia - Last active: 9 days ago - Tests: 3 - Portfolio: 29

    I am professional digital and traditional illustrator with very long experience. My illustrations have been published in magazines and books all over the world. I'm open up for creating illustrations for all kinds of different purposes: children's books, book covers, character design, postcards, magazine covers, CD covers, portraits, t-shirts... Take a look at my portfolio http://veselinovicmarina.daportfolio.com/

    $33.33 /hr
    209 hours
    4.86
  7. Qen Empaces

    Qen Empaces

    full stack web developer, currently mad with ruby ruby ruby

    Philippines - Last active: 22 hours ago - Tests: 2 - Portfolio: 6

    Full Stack Rails Developer skill sets: - ruby on rails - jquery / backbone.js - html5 / haml / css / less / sass - foundation css / twitter bootstrap - unit testing with rspec - mysql / greenplum postgresql / mongodb / redis / mssql - apache solr search / sphinx / elastic search

    $55.00 /hr
    6,762 hours
    5.00
  8. Lisa H.

    Lisa H.

    Corporate, Marketing & Social Media Writer

    Canada - Last active: 22 hours ago - Tests: 7 - Portfolio: 6

    Quick, efficient, creative, organized - these are just a few of the words that describe me as a freelance writer. Dedicated to providing quality content geared to your audience, I am experienced in corporate, marketing and social media content. Crafting the quality content you want and providing a finished draft on time are my first priority. Deadlines and criticisms are no obstacle. See my portfolio for examples of work.

    $33.33 /hr
    508 hours
    5.00
  9. Marcus P.

    Marcus P.

    Product / Project Manager

    Malaysia - Last active: 22 hours ago - Tests: 1

    I am a British Prince 2 qualified project manager now specialising in providing Agile web and app product development, project management and support to start-ups and small businesses. I have over 12 years’ experience of both in-office and virtual team project and people management as well as a broad range of skills that I bring to every project, including experience in: ● App product development (Web, RoR, Android, IoS). ● Management of web design & development (HTML/CSS/JavaScript/PHP) ● Product development, startup support and sales landing page development. ● Recruitment, performance and task management of remote contractors / technical teams. ● Evaluating and implementing strategic small business SAAS cloud systems. ● eCommerce, sourcing, production, fulfillment, shipping & returns management. ● After sales, customer service and product, quality control and process improvements. ● Pivotal Tracker, Slack, DaPulse, Basecamp Further info and my portfolio can be found at www.project-ally.com I look forward to helping your business!

    $33.00 /hr
    875 hours
    4.90
  10. Diego Blanco

    Diego Blanco

    Linux Systems Administrator

    Spain - Last active: 22 hours ago - Tests: 7 - Portfolio: 3

    I'm an expert in GNU/Linux systems and other UNIX flavors. I have experience in CDN deployment, Cloud Computing, High Availability, Monitoring and Video Transcoding and Streaming. I've been working with GNU/Linux since I was 14, what makes more than 10 years of experience so I have a good background in its evolution, tools and administration. I also use to implement tools in shell script and python and I use to code my applications in python. In the last 6 years I've been working as systems administrator and Integrator for an IPTV company that offers streaming and web services. I directed projects regarding software distribution and upgrades automatization, product deployment architecture design and products monitorization. I co-designed and co-deployed the cloud computing platform for the company, its CDN with High Availability, its telephony system and other projects. I really like to learn new technologies, test its capabilities and see what can they do. I like to meet new people, work with them and share knowledge and opinions.

    $33.33 /hr
    693 hours
    4.92