Top Upwork Freelancers

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  1. Sara M.

    Sara M.

    Native Spanish translator, assistant, creative writer

    Spain - Last active: 6 hours ago - Tests: 8 - Portfolio: 8

    Native Spanish translator, proactive administrator, assistant and creative writer. I've worked for several multinational companies in Spain, have experience in translation tasks and I'm currently taking part in a volunteer project in Panama. My goal is to work as a freenlance English-Spanish / Spanish-English translator and assistant. I'm interested in translation projects and Creative Writing, Personal Assistance, Administration, Secretarial or Customer Care related long term positions. I'm a detail-oriented commited worker. Let me put my working experience and personal skills into practice to assist you get the best results possible in your project.

    $16.00 /hr
    2,407 hours
    4.96
  2. Deep S.

    Deep S.

    Linux System Admin/AWS Specialist/Linux and AWS Trainer

    India - Last active: 1 day ago - Tests: 9 - Portfolio: 6

    Red Hat Certified Architect & Red Hat Certified Datacenter Specialist & Red Hat Certified Engineer. Specialisation in AWS Platform and services such as EC2,S3,RDS,EBS,ELB,AutoScaling,VPC,Route53,CloudFront and other services. Specialisation in Virtualization using VMWare, KVM and Red Hat Virtualization Hypervisor. Hosting virtual Machines on Bare metal servers. Managing virtual machines on VMWare vCenter and RHEV-M Expertise in Hosting LAMP on Cloud and Dedicated Physical Servers. Linux expertise in Red Hat / CentOS / Debian / Ubuntu / Amazon Linux Expertise in providing Remote Server Support - IBM / DELL / HP I've over eight years of experience working in Linux environment and worked on various projects over the year involving Cloud and Dedicated servers. Being sysadmin I have worked on IBM, HP and DELL Rack Mounted Servers. Knowledge of Enterprise Infrastructure technologies and architecture. Worked as consultant on various projects in the past to design and implement an environment which uses SAN, Linux and Clusters to run Applications. Apart from the technical work I am an active member of serverfault.com community and contribute towards community in helping others. Certifications Done: Red Hat Certificate of Expertise in Enterprise Cluster and Storage Management. Red Hat Certificate of Expertise in Deployment and Systems Management. Red Hat Certificate of Expertise in Directory Services and Authentication

    $25.00 /hr
    388 hours
    4.88
  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: 10 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
    6,190 hours
    4.53
  6. 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
    5,100 hours
    4.90
  7. 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
    5,419 hours
    5.00
  8. 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
    7,800 hours
    4.89
  9. Milan Kaneria

    Milan Kaneria

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

    India - Last active: 9 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. Jon W.

    Jon W.

    Technical Support Specialist/Help Desk

    United States - Last active: 1 day ago - Tests: 8

    I have over 15 years training, experience, and a proven ability as a Tier 1-2 Technical Support Specialist and Help Desk Technician. This allows me to exceed your expectations when it comes to outstanding support and customer service. I’m ready to diagnose and repair Windows XP-Windows 7. My experience ranges from replying to customer email to hands-on computer repair. There is no computer issue that can’t be resolved. Where I stand apart from the others is my ability to do so in a professional and timely manner.

    $22.22 /hr
    6,090 hours
    5.00