Top Upwork Freelancers

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  1. Todor Hadzhikostov

    Todor Hadzhikostov

    Senior QA

    Bulgaria - Last active: 2 months ago - Tests: 2

    Currently I have ~9 years experience of both manual and automation testing. I have experience with a lot of tools and SaaS platforms. I have worked with Selenium Webdriver with TestNG plugin for collecting test results. I have experience with the following tools: Eclipse, Svn, JMeter, JIRA, TestLink, SoapUI. In past four years I am involved in testing large e-commerce retailer stores. One of my projects that I am working on is direct.asda.com. I've been involved in all type of testing of a single project: from functional testing, regression testing, smoke tests, sanity tests. I have been working in Waterfall and Agile methodologies in my career.

    $15.00 /hr
    115 hours
    0.00
  2. Eric C.

    Eric C.

    D3 Data Visualization Expert

    United States - Last active: 2 months ago - Tests: 1 - Portfolio: 5

    I have 15 years of experience developing interactive web-based platforms and my extensive academic work has focused on data visualization and interface design. An expert in all things HTML5, I specialize in using D3.js to develop engaging, interactive experiences. My work history includes creating rich web applications and visualizations for Fortune 500 corporations (Ernst & Young, Abbott Labs) and world renowned universities (Case Western, Boston Univ, Tufts). My academic degree's have focused on usability and data visualization, having passed PhD qualifying exams in human computer interaction and algorithms. Whether you know exactly the type of visualization you want or just have an idea and need some guidance, clients can rest assured that I will work with them every step of the way to turn their idea into a polished product.

    $80.00 /hr
    12 hours
    0.00
  3. Jiang Wang

    Jiang Wang

    iPhone/Android Developer

    Hong Kong - Last active: 4 months ago - Tests: 5

    Over the last 7 years, I have developed a wide range of mobile apps for iOS and Android using Objective C and Java for US/Europe companies and small businesses and individuals. I provide full stack solution from business requirement analysis, planning and design, app development, testing and submission to the app store and after maintenance. I have best experience in mobile social apps, such as dating apps, fitness app, photo/video editing/sharing apps. With years of experience I have mastered everything needed to develop good mobile apps, like Geolocation, Mobile Payment Processing, SQLite, Photo/Video Processing, Social Network integration, Animations and Transitions. I love to meet with new people, talk to them and have a new idea turn into an another great application. Please don't hesitate to share your idea and contact me. Cheers

    $45.00 /hr
    195 hours
    0.00
  4. Miha K

    Miha K

    C#, ASP.NET, DOT.NET Developer, Programmer

    Slovenia - Last active: 02/06/2012 - Tests: 2 - Portfolio: 10

    In the last 10 years of my career , I have developed a range of software products: CMS Websites, Business Web-Applications, Windows Applications using: C#, ASP.NET, Web Services, DHTML, XML, JavaScript, CSS, Silverlight, Flash, LINQ, REST, Cuyahoga, PHP, Typo3, Windows Forms, WPF, WCF and DevExpress Controls and technologies. Database Arhitecture and design for small and mid-size businesses using MS-SQL, SSRS, SSIS and MySQL. I have experience in OOP and n-tier Architecture and design. I am seeking for development of ASP.NET Websites, Web-Applications, Windows Forms, WPF Application and Database design and architecture.

    $22.22 /hr
    17 hours
    0.00
  5. Vlad M.

    Vlad M.

    Network Expert CCIE Cisco Juniper Brocade router switch firewall VoIP

    United States - Last active: 12/09/2011 - Tests: 6 - Portfolio: 1

    **Sr Network Engineer (Cisco CCIE, Juniper, Brocade,Foundry, Aruba)**, with 14 years of experience, located in San Francisco, California. Consulting services in the following **areas of my expertise:** Design, Planning, Configuration, Troubleshooting, Optimization, Review, Capacity Planning, Security Assessment, Documentation, Troubleshooting, Training, etc. **QUALIFICATIONS (Cisco, Foundry, Juniper, Wireless, Aruba)** **Network Engineer** (Cisco, Juniper, Foundry: CCIE, CCNP/CCDP/CCIP, CCSP, CCIP, JNCIS, FNCNE/FNCNP; CCNA-Voice; CCIE R&S;) **Network Security Engineer** (CCSP, Cisco Security/Firewall/VPN; CCSA/CCSE+, CISSP) **Wireless Network Engineer** (CWNA, CWSP, CWAP/CWNE) **System Engineer / System Administrator** (Windows, Unix) **SKILL SUMMARY **Expert in network design, implementation, and troubleshooting in Cisco and multi-vendor environments. Expert in all aspects of IP routing, switching, security and wireless technologies. **Core Technologies: **OSPF,BGP,EIGRP,RIP;MPLS,WAN,LAN,WLAN;L2:STP,RSTP,VRRP,HSRP;VPN,IPSec; QoS, VoIP,IPTel; 802.11 Wireless; Call Manager,CUCM, Asterisk **LAN, WAN, WLAN**: Multilayer IP networks with Cisco and multi-vendor routing and switching **Network Security and Wireless: **Cisco PIX, ASA, FWSM, VMS, CSM, ACS, RADIUS, TACACS+, SLB, IDS/IPS, VPN, PKI, SSL VPN, 802.1x Wireless 802.11 and wired multi-vendor security implementations **Hardware:** Cisco, Foundry/Brocade, Juniper/NetScreen, Aruba

    $50.00 /hr
    103 hours
    3.26
  6. Michał Denkiewicz

    Michał Denkiewicz

    Data Analyst and Programmer

    Poland - Last active: 2 months ago - Tests: 1

    I am a programming-oriented researcher with strong data analysis skills - ranging from statistics to machine learning. I have a solid programming background, focused on Python, R and Java (but with some experience in other languages), combined with general knowledge of software engineering and familiarity with auxiliary tools (e.g. Git, make, bash scripting). In my daily job I work as a part an interdisciplinary team, analyzing experimental data, developing software used in research and writing scientific papers. I am eager to learn new tools and techniques, that can be used to solve complex problems.

    $18.00 /hr
    108 hours
    0.00
  7. Dawid Dec

    Dawid Dec

    Senior Developer / DevOps

    Poland - Last active: 5 months ago - Tests: 8

    Senior Python Developer running own company and working as contractor for one of the biggest Polish content delivery sites. Has a huge experience in Python programming (Tornado, Django, numpy, pyzmq, multithreading), good knowledge of caching systems, high performance and scalability of applications. Produced apps used in transport industry (bus tickets, logistics management).

    $30.00 /hr
    30 hours
    0.00
  8. Artur T.

    Artur T.

    Web Developer

    Russia - Last active: 08/09/2014 - Tests: 2

    Programming experience two years. First year I have developed a desktop applications using Delphi / MS SQL Server / InterBase. Last year I have developed a web applications using JavaScript / HTML / CSS. Had a little experience in: PHP / XSLT / XPath / regexp / MySQL. And I can write a parser based on Python Scrapy Framework.

    $13.33 /hr
    12 hours
    0.00
  9. Andrew Shevchenko

    Andrew Shevchenko

    Expert Mobile Developer

    Russia - Last active: 10/09/2014 - Tests: 6 - Portfolio: 9

    "It is really clear that the most precious resource we all have is time." (Steve Jobs) Thanks for your visit. I am a Mobile Developer with over 7 years experience. I am ready to work with Swift and also very familiar with web application for front and backend, I try to provide my clients with the best solution. My development area is as follows: - Apps and Games for iPhone/iPad - Apps and Games for Android - Web Backend and Frontend - CRM solution both for mobile and web. My favorite mobile categories are as follows: - Social Networking - Photo Sharing & Editing - Business, Finance - Food & Drink, Health & Fitness - Sports & Entertainment

    $38.00 /hr
    18 hours
    0.00
  10. Agop Dogramadzhiyan

    Agop Dogramadzhiyan

    Software Engeener

    Bulgaria - Last active: 06/06/2014

    • Experience in setting up and deploying on web and application servers, and administration of remote systems. • Ability to analyze and reverse-engineer legacy code. • Ability to communicate on both technical and non-technical levels. • Designing, creating, and enhancing software. • Analyzing, fixing, updating legacy software. • Researching new technologies and introducing them into the infrastructure. • Developing tasks and their coordination. • Coordinating with project team and software developers to make sure project development is on schedule • Adhered to Agile and Scrum software development processes and methodologies.

    $22.22 /hr
    57 hours
    0.00