Top Upwork Freelancers

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  1. Nicolas Baud

    Nicolas Baud

    web developer & web designer

    France - Last active: 5 days ago - Tests: 2 - Portfolio: 10

    Professional web developer, I like to create user-friendly, reliable and innovative interfaces. I started web development for more than 8 years to create small personal websites, and it quickly became a vocation. Possibilities that the web technologies offers are a boon for me and I'm always experimenting new things. With 2 years technical degree in computer programming, I am now looking to take on challenges while remaining attentive to the customers, which is why I chose the freelance.

    $22.30 /hr
    324 hours
    4.73
  2. Brent Shaub

    Brent Shaub

    SQL Server / Cold Fusion

    Australia - Last active: 2 days ago - Tests: 16 - Portfolio: 2

    I've developed web-and-database systems using SQL Server, D/HMTL, JavaScript/JQuery, Cold Fusion and PHP on teams and independently since 2000 throughout all phases of the SDLC. I'm skilled in relational database design, data migration and reporting. I both create new and renovate existing systems. I enjoy challenging projects and learning new things.

    $50.00 /hr
    339 hours
    5.00
  3. Rodney Mendoza

    Rodney Mendoza

    Database Developer and Administrator

    United States - Last active: 1 day ago - Tests: 4

    Over the past 20 years, I have provided oracle database and related skills to my clients. My key attribute is providing solutions for the various problems my clients run into. My motto: "It's not the issues businesses have, because all businesses have issues. It's how you handle those issues that matters"

    $22.22 /hr
    1,925 hours
    5.00
  4. Ivan L.

    Ivan L.

    Ruby on Rails developer

    Croatia - Last active: 14 days ago - Tests: 3 - Portfolio: 1

    Full stack Ruby on Rails developer, primarily focused on back-end with experience in setting up VPS with Nginx and Unicorn or deploying apps on Heroku. Currently I'm interested in e-commerce so I'm familiar with Spree and also writing prototype of e-commerce solution based on MongoDB and Rails. I've used RadiantCMS and RefineryCMS for websites and Sinatra framework for smaller applications.

    $33.33 /hr
    1,007 hours
    5.00
  5. Alexander G.

    Alexander G.

    Experienced Game Developer - Unity3D, iOS, Android, PC, PS2, PSP, Wii

    Ukraine - Last active: 1 day ago - Tests: 2 - Portfolio: 8

    I have more than 10 years of game development experience as a main programmer in the following areas: OOP, C++, Engine Development, Graphics (DX, OGL, console APIs), Physics (ODE, PhysX), Sound, AI and Tools. I also have experience in integration of various third-party libraries like script languages, Flash player, SpeedTreeRT. I'm looking for opportunities to develop games for you or to help you in related areas.

    $33.33 /hr
    6,216 hours
    4.53
  6. Juan Arrabal

    Juan Arrabal

    Illustrator / Concept artist

    Spain - Last active: 1 day ago - Portfolio: 20

    My portfolio: http://kokodriliscus.deviantart.com/gallery/ My webpage: www.kokodriliscus.com I'd like to get jobs as concept artist or as illustrator. I think I could carry out any kind of job related, with satisfying results. My strong points are creatures, fantasy and manga, and my skills include digital artwork, animation, pixel art, pixel animation, 3D modeling, 3D animation and video editing. I can also manage with programming (specially Java)

    $27.78 /hr
    5,435 hours
    5.00
  7. Stanley Smith

    Stanley Smith

    Algorithm Scientist

    United States - Last active: 1 day ago - Tests: 2

    Identification algorithm expert and physicist applying robust mathematical/DSP based solutions to stochastic and deterministic problems. Top rated with a 99% job success rate and over 5,000 hours worked. Focus of activity includes analysis, synthesis, artificial intelligence, neural networks, identification algorithms, statistical detection theory, and adaptive pattern recognition. Application areas include human detection, business model simulations, face recognition, voice recognition, sound artifact recognition, biomedical signature characterization (fluid flow, respiration, apnea, transfer functions, heart rate, snoring); modality prediction, turbulence, second-order gradient analysis, equity forecasting, scheduling (NP and fuzzy logic), time series analysis; synthesis of adaptive scenarios, detection sub-systems, econometric modeling; physics based modalities, anomalous sensor detection, image processing, accelerometer, radar signal processing, demodulation, telemetry, neutron detection, radioactive isotope identification, sensor fusion, target tracking (Kalman, multi-hypothesis, unscented), automated data mining (Internet spider tool development), marketing statistics, genetic algorithms, neural networks, software development, business venture metrics generation, multi-tier HTML parsing, general data feature extraction. Develops prototype emulation of mathematical concept models to subsystem for developers. Expertise in decision theory, DSP algorithms, peak detectors, anomalous detection (acoustics and RF), demodulation signal processing, audio analysis, telemetry processing, pattern recognition, adaptive signal processing strategies, ballistic missile tracking (Kalman and multi-hypothesis), image processing clutter signal processing, K-means clustering, optical deconvolution, image segmentation, anti-jamming radar, interference cancellation communications signal processing, dye laser optics, explosive detection image processing, micro bolometer FPA image processing, CCD camera image stabilization, gamma/neutron nuclear detection, X-ray backscatter signal processing, multi-sensor overlap projection modeling, DF processing. Proficient in statistical simulation model development and rapid prototyping in high-level languages. Strong proposal writing skills including business, SBIR, and technical white paper development. Technology trade study experience (commercial product development). "The real essence of work is concentrated energy"

    $88.89 /hr
    5,114 hours
    4.90
  8. Douglas Domingo

    Douglas Domingo

    FileMaker Developer for the Mac and PC

    United States - Last active: 7 hours ago - Tests: 1

    I have 10+ years experience in developing a wide range of database and web applications such as crm, mrp and medical systems using front-end tools such FileMaker, Delphi and C++Builder and back-end tools such as mySQL, PostgreSQL, Firebird and SQLServer. My main expertise though is FileMaker and I am well-versed from 5.5 to the latest version 12. I have excellent Scriptmaker skills, good AppleScript skills, excellent knowledge of the use of a variety of plug-ins, good interface design, reporting skills and project documentation skills. I am easy to work with and communicate with and most of the time available online.

    $50.00 /hr
    8,551 hours
    4.65
  9. Milan Kaneria

    Milan Kaneria

    Efficient WordPress Plugin & Theme Developer / PHP ~ HTML5 ~ AJAX

    India - Last active: 13 days ago - Tests: 8 - Portfolio: 2

    My main area of work is WordPress Development. Have coded more than 90+ WordPress Themes along with custom sidebars, modules and plugins. I have designed and developed many commercial WordPress plugins that automates cloning, installing and updating of WordPress blogs. My plugin development also includes few high acclaimed plugins that are used by renowned SEO / SEM specialists. I also do PSD to X/HTML + CSS conversions with pixel perfect coding and general PHP / MySQL development work. I am very passionate about my work and enjoy my freelancing career. I truly believe in "Customer is King" theory and always try to exceed my client expectations with quality work.

    Groups: MailChimp Experts Group

    $35.00 /hr
    3,866 hours
    4.96
  10. Katherine ann G.

    Katherine ann G.

    Webmaster | WordPress | HTML/CSS | Headway Themes | Genesis Themes

    Philippines - Last active: 1 day ago - Tests: 4 - Portfolio: 11

    Here is a list of my skills: 1. WordPress installation (manual and using auto-installers like Fantastico or Softaculous) 2. PSD/HTML/CSS to WordPress theme conversion 3. PSD/ HTML/CSS to WordPress child theme conversion using Headway Premium WordPress Theme or Genesis Theme 4. PSD to HTML/CSS conversion 5. WordPress plugin installation and set-up 6. WordPress theme (free or premium) installation and customization 7. WordPress content management (creating posts and pages) 8. WordPress Multisite set-up 9. setting up and creating campaigns/autoresponders using MailChimp and Infusionsoft 10. CSS fixing 11. basic Graphics editing (using template or an original image) 12. setting up Google Webmaster Tools and Google Analytics 13. creating and setting up Facebook pages I started learning Web Design through blogging when I was in College (2004). I chose WordPress as my blogging platform and I am still using it until now. I'm a hobbyist but I always dream of someday making this as a career because the 'www' always fascinates me. I taught myself everything I need to know about WordPress including making themes, WordPress installation and a whole lot more. I have attended Photoshop classes in the past. However, I mostly learned the ropes through self-studying. I am always eager to learn new things. I am very comfortable in learning on my own: just give me tutorials or a set of instructions and I will give you good RESULTS.

    $13.89 /hr
    7,813 hours
    4.89