Top Upwork Freelancers

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  1. Bernard Krummenacher

    Bernard Krummenacher

    Expert iOS and embedded software engineer

    Switzerland - Last active: 3 days ago - Portfolio: 12

    I have a background of engineering in digital electronics. I then switched to embedded software development and in iOS mobile applications development. However, I don't have any experience in programming Android or Windows Phone platforms, so (outside of porting to iOS) please do not invite me on project that imply programming on these platforms.

    $55.00 /hr
    10 hours
    5.00
  2. Matthew Davids

    Matthew Davids

    Software Architect

    United States - Last active: 8 hours ago - Tests: 3

    Currently doing a few different things. Among them: - Cloudformation and infrastructure design on AWS: - Autoscaling, S3, couchbase, node applications, Chef - Javascript Single Page Application design: - React.js, gulp, semantic-ui - Fluid Dynamics/Modelling in Processing: - Side project, not professional. Navier-Stokes, numerical methods, computer graphics, etc. I previously developed provisioning and deployment solutions for a client's in-house automated testing infrastructure. The majority of this was done in Ruby, with some variations dictated by DSLs in Chef and Vagrant, as well as a number of scripting languages, as required. I've also managed a team of 3-5 software engineers working on provisioning automation/DevOps projects. Current Frameworks and JS tools: React.js, backbone.js, gulp.js, bower, browserify, node, etc... More to come shortly. Current Languages: JavaScript, Ruby, Chef, Batch, BASH, Powershell, XML, JSON, AutoIT Current Tools: Chef, Amazon Web Services, Vagrant, Ant, InstallAnywhere, Install4j Current Operating Systems (configuration, software deployment, etc): Windows Server (2003 - 2012) SLES 11 RedHat 6.4 CentOS 6.4 Ubuntu 12.04/14.04 Amazon Linux Past Languages: Processing, C++, Java, OpenGL, Octave, MATLAB, Mathematica, SQL, C, C#, LUA, R, and Python Other: Verilog, VHDL, Oculus Rift, Razer Hydra

    $60.00 /hr
    1,925 hours
    5.00
  3. Andy D.

    Andy D.

    Algorithm Scientist - Machine Learning, Computer Vision, Analytics

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

    For managers in companies who have a complex manual process in need of automation. I am an algorithm scientist with Masters Degree in Signal Processing from Purdue University, and a penchant for outside-the-box thinking. I offer innovative algorithms designed to solve challenging and costly problems. I have over eight years experience designing algorithms, and pull from a rich background of skills and knowledge including: Machine Learning, Computer Vision, Image Processing, Genetic Algorithms, Neural Networks, K-Means Clustering, Support Vector Machines,Time Series Analysis, Fourier Analysis,Regression, System Design and Modeling, Linux System Administration, Website Data Extraction, Statistical Analysis, Predictive Analytics, Matlab Modeling, and C/C++ Programming. Unlike other algorithm scientists, I have leadership and communication skills that can be leveraged to help guide teams of developers to implement customer-facing or real-time versions of the solutions provided.

    $80.00 /hr
    261 hours
    5.00
  4. Andrii Ivanskiy

    Andrii Ivanskiy

    Administrator,DevOps,IT specialist

    Ukraine - Last active: 3 days ago - Tests: 1 - Portfolio: 8

    I am IT specialist with over than 6 years of experience on Windows and OpenSource (Linux) based technologies. I have strong skills on networking, operations systems, network services and applications: - Operating Systems - Windows (Windows NT, 2000, 2003, 2008, 2008R2, 2012), Linux (CentOS, Fedora, Red Hat), FreeBSD - Networks - TCP/IP, routing, VPN, NAT, iptables - Infrastructure and services - Active Directory, DNS, DHCP, Exchange, Lync - Cloud computing - Microsoft Azure, AWS - Applications - SharePoint, SharePoint Online, Office 365 - Databases - MS SQL , MySQL - Virtualization - MS Hyper-V, Vmware, Virtual Box - Scripting - PowerShell, Bash - Internet Technologies and Programming - IIS, Apache, Nginx, HTML, CSS, PHP, C#, ASP.NET, MVC

    $22.22 /hr
    47 hours
    4.85
  5. Ievgen Gorovyi

    Ievgen Gorovyi

    PhD,image and signal processing expert

    Ukraine - Last active: 13 days ago - Portfolio: 5

    I'm working in field of signal and image processing. My relevant skills include various signal processing and analysis techniques, computer vision and machine learning, artificial intelligence and pattern recognition and many more. My main instruments include but are not limited to: - C/C++/C# - OpenCV - Matlab,R I have successfully received a PhD in Physics and Mathematics and I am actively involved in scientific research. Currently, I have more than 25 publications and dozen of reports at international conferences all over the world. My aim is to provide a high-quality solutions of problems of different scale and complexity. I'm always interested in new work and open for the discussion. I have successfully built one of the strongest profiles in Freelancer and created a team of enthusiasts, who are working with me.

    $44.44 /hr
    332 hours
    4.77
  6. Nisha Johnson

    Nisha Johnson

    Software Test Engineer

    India - Last active: 7 days ago - Tests: 3 - Portfolio: 5

    I am seeking a challenging environment to utilize my skills as a person involved in Software Testing. My skill set is summarized below: • Good in manual testing • Experience in black box testing • Knowledge in SQL Query • Analyzing Requirement Specification Document • Exposure to functional, integration, system, regression & other testing methods. • Ability to simulate and brainstorm for test cases • Writing and executing test cases • Identify Test Data, Execute Test Conditions • Well versed in Defect Tracking and Bug Reporting using Bugzilla • Exposure in testing web applications using multiple browsers • Responsive Web design testing • Usability testing and test report I can provide you with: - Functional testing - Manual testing - Regression testing - Integration testing - UI testing - Cross-browser testing - Website testing - Desktop app testing - Responsive Web design Testing - Usability Testing - Test Case/Plan & document creation - Bug reporting & tracking

    $27.78 /hr
    1,155 hours
    4.81
  7. Faisal Iqbal

    Faisal Iqbal

    Smart Web Worker

    Pakistan - Last active: 6 days ago - Portfolio: 4

    I'm here on Elance for full-time. I have 10 years SOLID experience in PHP, MYSQL, AJAX, jQuery, Wordpress, Bootstrap, API integration, HTML5, phpBB, osCommerce, Joomla, and other technologies. Right now i am willing to join as part time or contract based jobs and that can be further to full time and permanent based on company offer and understandings.

    $15.00 /hr
    1,549 hours
    4.91
  8. Abhijeet Singh Rathode

    Abhijeet Singh Rathode

    SharePoint 2013/2010/2007, Office 365, Asp.NET

    India - Last active: 1 day ago - Tests: 2 - Portfolio: 3

    I have been working in SharePoint development for more than 7 yrs. and I always wanted to work on variety of challenging SharePoint development and implementation projects. I am working as full time freelancer and ready to accept challenges. Look forward for good opportunities. I have been working as a SharePoint solution architect and have experience in designing end to end solution in SharePoint. In addition to applications in asp.net/C# , PHP websites in Wordpress.

    $20.00 /hr
    611 hours
    4.85
  9. Eugene Dementiev

    Eugene Dementiev

    *nix geek

    Russia - Last active: 8 days ago - Tests: 7 - Portfolio: 1

    Over the last 10 years, I was working with *nix-like OSes. I started from FreeBSD and OpenBSD, and now I use mostly Gentoo Linux. I have developed a big bunch of parsers/small scripts, configured a lot of different software. I have experience with a few different programming languages, mostly Python and bash. I've tried myself in web development (using flask, mongodb, a little of jQuery, etc). At my main job I work as a DevOps/Systems administrator. I use Ansible, ElasticSearch, Gitlab with Gitlab CI, pacemaker, docker, and many more cool things! I also mentor junior developers. Right now I need some extra money, so I'd love to do the following: 1) Ongoing sysadmin stuff. RAID, gmirror, software installation, compilation 2) Automation tasks with Ansible 3) Work with docker containers, write dockerfiles. 4) Do some Python coding to glue things together I can dedicate a few hours every day with more hours on holidays. I usually work between 7-10am CST (8-11am EST).

    $22.22 /hr
    119 hours
    4.96
  10. Yuliyan Tsvetkov

    Yuliyan Tsvetkov

    Advanced linux administrator and system automator

    Bulgaria - Last active: 15 days ago - Tests: 6 - Portfolio: 1

    In the world of 24/7 available services, giving to the customer best stable and optimized Linux environment is the primary role of every System Administrator, my role too. I've 5 years of experience in automation, installation and maintenance of Linux servers based on RHEL, CentOS, Fedora, Debian and Slackware distributions. Also I'm managing a lot of live servers for the biggest Telcos in the Middle east and Africa using new technologies, and also proven old ones.

    $22.22 /hr
    214 hours
    4.68