Top Upwork Freelancers

More options
Clear all filters
  1. Octavio Coria

    Octavio Coria

    Web Developer

    Germany - Last active: 21 hours ago - Tests: 4 - Portfolio: 3

    Expert in Joomla! and Wordpress customization. Extensions and Themes. Custom designed plug ins. I developed several web sites in the last 5 years. Strengths: Responsibility on work and Good Communication skills. Western time zone. Wide cultural background. PHP and Javascript programming. jQuery and Twitter Bootstrap. cPanel and MySQL management. Joomla!, Wordpress & CodeIgniter frameworks. HTML / CSS implementations.

    $50.00 /hr
    1,870 hours
    4.89
  2. Dominic Velasco

    Dominic Velasco

    Raising the bar in quality healthcare information

    Philippines - Last active: 3 days ago - Tests: 3 - Portfolio: 3

    I am the go-to guy for employers in need of high quality health care information. My work has been published by companies that help them sell their products and services. My accomplishments and functions include the publication of medical articles and medical research; preparation of lectures with slide presentations; performing statistical analyses; formulation of USMLE questions based on NBME standards; and on-line medical consultations. Client satisfaction is my goal and I guarantee exceptional work. No remunerations will be accepted from unsatisfied employers.

    $44.00 /hr
    305 hours
    5.00
  3. Eric L.

    Eric L.

    Node.js | NoSql | Angular.js | Swift | Android L

    China - Last active: 3 days ago - Portfolio: 4

    *8 years experience of web application analysis, design, develop and implementation *4 years experience of database design and development *Co-Founder of 55tuan.com which is one of the most popular group buying website in China *Strong background working with clients and internal supports to identify requirements, provide analysis, assist with creating customized workflow and develop implementation timelines *Great communication, presentation, and interpersonal skills ============================================================= 1. Once beening senior development engineer worked in Match.com (Asia) Inc. 2. Once beening senior research and development engineer worked in Microsoft (Asia) Research. (MVP) 3. Served as Chief development engineer of SinoPec cloud computing platform project. 4. Served as Technical Advisor in Hulu.com(China) for cloud computing platform. ============================================================= And now very happy to be a freelancer & good ha

    $30.00 /hr
    2,928 hours
    5.00
  4. Aleksandr S.

    Aleksandr S.

    PHP / Symfony / Zend / MySQL / jQuery / 12 000+ oDesk hours

    Russia - Last active: 21 hours ago - Tests: 7 - Portfolio: 3

    I started extensive programming work about 19 years ago. I have successfully completed many complex projects such as corporate web and e-commerce sites, social networks, intranet systems with using PHP, Symfony, Doctrine ORM, Propel, Zend, cakePHP, javaScript, AJAX, jQuery, Mootols, SQL ANSI, MySQL, MS SQL, etc. I have good knowledges in organization and support of technological process, team work, working with source code control systems SNV, CSV, Git, VSS, working with bug trackers, etc. I'm a quick study and my technical background allows me to pick up new technologies easily. I am looking for an interesting project where I can give major input into the project success.

    $30.00 /hr
    13,017 hours
    5.00
  5. Heikki Arponen

    Heikki Arponen

    Math PhD Quantitative Analyst and Data Scientist

    Finland - Last active: 21 hours ago - Tests: 4 - Portfolio: 3

    I'm a Finnish math PhD, Data Scientist/Quant and Python expert with expertise also in Matlab and Mathematica. I have around 10 years of experience in academia as a researcher, and a couple of years after that as a freelance consultant mathematician and coder. Here's my business page: http://www.quantmechanics.com/ Primarily I am skilled in the following mathematical programming subjects: - Time series analysis and modelling (parametric, nonparametric, multivariate) - Machine learning (e.g. Recurrent Neural Networks) - Optimization (LP, QP, Convex, Large Scale ML/TS problems) Other skills: SQL, financial modeling, data analysis, stochastics, stochastic PDEs, wavelets, monte carlo, regression analysis (linear, nonlinear, logistic), time series analysis, econometrics, VARMA etc., econophysics, nonlinear dynamics, portfolio theory, CAPM, factor models, GARCH, VaR, neural networks, backtesting, algorithmic trading Here's me at LinkedIn: http://fi.linkedin.com/pub/heikki-arponen/34/590/248/ Github: github.com/harpone List of publications: http://scholar.google.fi/citations?user=kFxXih0AAAAJ

    $85.00 /hr
    252 hours
    5.00
  6. Dan Radu

    Dan Radu

    Marketing Automation / CRM Consultant

    Canada - Last active: 21 hours ago - Tests: 2 - Portfolio: 6

    Marketing automation and customer relationship management (CRM) consultant passionate about marketing technologies for my clients. My agency is a one stop shop for marketing strategy, web design, graphic design and database services to make your marketing automation systems work. Currently servicing happy clients in: • Marketo • Salesforce • Eloqua • Microsoft Dynamics CRM • Pardot • Act-On Specialities: • Marketing Automation Implementation • Demand Generation Strategy • Lead Scoring • Nurturing/Drip Campaigns • Database Marketing • Sales & Marketing Alignment • Return on Investment (ROI) Tracking • Dashboards, Reports & Analytics • Responsive Design for Landing Pages & Emails • B2B Websites Certifications: • Marketo Certified Expert • Certified Salesforce Administrator • Act-On APEX Partner

    $66.67 /hr
    1,155 hours
    4.80
  7. George Mamacos

    George Mamacos

    SAP Business One ERP Manufacturing and Projects Expert

    South Africa - Last active: 21 hours ago - Tests: 2 - Portfolio: 1

    I have 15+ years in ERP ( 7 years in Syspro, 7 years in SAP Business One) as a manufacturing and projects expert. Lead/Principal consultant role level in ERP implementations and report writing (Crystal Reports, SQL). I have worked in retail, distribution, manufacturing and project based companies and have delivered solutions to complex problems requiring very deep technical and high-level consulting skills.

    $85.00 /hr
    277 hours
    5.00
  8. Inka Hilscher

    Inka Hilscher

    Translator English, Italian and French to German

    Austria - Last active: 5 days ago - Tests: 7 - Portfolio: 6

    I am a native German speaker with a masters degree in translation and 20 years of translation experience of English, Italian and French to German. I have worked in the sales departments of different companies and as a freelance translator. My clients especially appreciate my accuracy and reliabilty. I am experienced in translating a variety of marketing, advertising, medical and technical texts but cover a wide range of other topics as well.

    $44.44 /hr
    66 hours
    4.90
  9. Theodosios N.

    Theodosios N.

    2D/3D Cad Design/Modelling

    United Kingdom - Last active: 21 hours ago - Tests: 4 - Portfolio: 52

    Since I began my studies in Architecture, design became my passion. A simple yet appealing way to express my self through creation of public/private space or even objects. Every task is an opportunity to extend my skills and introduce new perspectives for me. Being part of my job I have a six year experience 2D/3D Cad Design/Modelling as well as image editing and presentation programs

    $33.33 /hr
    988 hours
    4.98
  10. Christopher Löfgren

    Christopher Löfgren

    Customer-oriented iOS / Android / PhoneGap / Ionic Developer

    Sweden - Last active: 21 hours ago - Tests: 13 - Portfolio: 3

    As a long-experienced developer on various mobile platforms I have created many notable mobile and web applications. Native mobile jobs are my major fields in these 4+ years. Also engaged in hybrid mobile app and backend developments. - iOS & Android native mobile programming - Javascript / HTML5 / ASP.NET MVC / Parse.com / NodeJS / PHP / MySQL / MS SQL and other web and backend development - Hybrid mobile development using PhoneGap / Cordova - Social media integrations for Facebook, Twitter, Google+, LinkedIn, Instagram, Flickr and Vimeo - Integrate online payment solutions using Paypal SDK and Stripe - Cross-platform mobile games using cocos2d[-x] / Corona SDK Best quality on customer service is always my major goal. While collaborating with high-profile clients and developers from US, Canada and other European countries, I could communicate freely with my language skills and that also helped me to speed up all schedules for projects. And for now, I am quite sure that I have acquired the essential skills on both native and hybrid mobile works. Also have a firm conviction on such jobs. I hope all clients to choose genuine and assiduous guy in carrying out his ideas. And if you agree with my view, please consider hiring my abilities. Thanks.

    Groups: Application Developers Alliance

    $55.56 /hr
    213 hours
    5.00