Top Upwork Freelancers

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  1. Alejandro Rosales

    Alejandro Rosales

    Software Developer

    Mexico - Last active: 1 month ago - Tests: 1 - Portfolio: 1

    Technologies recently use: HTML5, Jquery, AJAX, .Net Framework 4.0, WCF, Oracle Database, Mono for android, Telerik Controls, DevExpress Controls, Visual Studio 2012, Windows 8 Development, Windows Azure, SQL Azure Create an atmosphere of trust with coworkers. Being constantly in training. Fast understanding of code. Always trying to innovate and making a quality products to reach the objetives of the client I have experience on singleton pattern, 3 layers architecture, 4 layers architecture and the basis of MVC

    Groups: Microsoft Certified Professionals

    $16.67 /hr
    0 hours
    5.00
  2. Bhavin M.

    Bhavin M.

    8+ Years of experience, Expert iOS/Android/.Net Developer

    India - Last active: 5 days ago - Tests: 1 - Portfolio: 9

    My name is Bhavin Mistry & I am a results-oriented individual with expertise in mobile application development, web-based applications development & business management. I possess the strong leadership, decision-making, problem solving, interpersonal & time management skills to make a project happen on time & on budget. I bring around synergy between technology and business growth requirement. Development calls for harnessing great technology & building strong relationships. A career enriched with domain & IT experience, I am an IT Managed Services Specialist and Project Manager with a proud, extensive background in delivering projects on time and on budget and providing technology solutions that help businesses excel. I am an accomplished navigator of the fast changing priorities of IT, projects, and operations. I achieve objectives through teamwork, excellent communication, and stakeholder management. I believe that Projects and Operations must co-exist and cooperate seamlessly only then true return on investment (RoI) of IT assets can be ensured. This is possible through structured frameworks and using best practices that only an experienced project management professional knows. Through various assignments listed below, my learning can be summarized as - Optimized operations ensure stability, efficiency, proactive risk mitigation and readiness for future. It's possible to achieve this and have played active roles in making this happen. I add value to any endeavor through my wide knowledge and experiences as well as my interpersonal skills that empower team to create success. During my career span, I have graduated from transactional to more strategic responsibilities successfully and the journey continues.

    $15.00 /hr
    0 hours
    4.55
  3. Szabolcs S.

    Szabolcs S.

    VoIP specialist and Linux guru

    Romania - Last active: 2 days ago - Tests: 1 - Portfolio: 2

    Over the last 10 years I have managed a wide range of IT projects and provider grade infrastructures, including VoIP platforms, VPNs, Linux servers, firewalls. My main profile is Linux servers and building VoIP platforms with opensource components as Opensips, Asterisk, MySQL, Radius, CDRTool, Mediaproxy, RTPProxy. I also have experience in KVM virtualization, Cacti and Nagios monitoring.

    $15.00 /hr
    0 hours
    5.00
  4. Nicolás T.

    Nicolás T.

    Python Expert

    Argentina - Last active: 1 month ago - Tests: 6

    I have more than 8 years of experience in software development, specialized in Python Scripts and Computer Vision. Python is my passion, I have experience in openCV, PIL, matplotlib, twitter, scraping, django, regular expression, and the list goes on and on... I continue taking courses in Python, and love taking new challenges, My dedication took me to fullfil every task I had had. Other Languages used: C/C++/C#

    $20.00 /hr
    0 hours
    5.00
  5. Muhammad Usama

    Muhammad Usama

    Solver

    Pakistan - Last active: 2 days ago - Tests: 2 - Portfolio: 4

    Over the last 4 years, I have developed many Desktop Applications for Windows in C# .Net, and also some in Java, C++ and some Kernel programming in C on a Linux System, for the clients and in studies. Have worked in core PHP and Wordpress as well. Currently I am working on an Web Based Institutional Repository (DSpace) which uses JSP and JAVA. My core competency lies in making a perfectly working system taking care of small details. I am seeking opportunities to build a solution for you. I also have some experience in the following areas: Javascript, Web Scrapping and Automation, Android, UI Designing, Java, MYSQL, MS SQL Server, PostgreSQL, MATLAB, Data Analysis and Data Cleaning,

    $6.00 /hr
    0 hours
    5.00
  6. Aleksandr Shushpanov

    Aleksandr Shushpanov

    Software Engineer

    Russia - Last active: 1 month ago - Tests: 2 - Portfolio: 1

    I have great experience in developing and maintaining multiplatform applications running both on Linux/Windows. I prefer to use C++ because it is a perfect language for a lot of tasks, it provides maximum flexibility and performance. However, I have necessary knowledge in scripting languages to use them efficiently and I am able to study any technology required for a particular task to be completed.

    $25.00 /hr
    0 hours
    5.00
  7. Ledisi N.

    Ledisi N.

    Java Developer

    Nigeria - Last active: 1 day ago - Tests: 2 - Portfolio: 2

    I am an experienced Java developer. I look at problems and find best possible solutions to those problems. i love challenging projects and never give up on providing the best. I have the following skills sets: java, j2ee, springframework, Hibernate, maven, jenkins, playframework, grails e.t.c I have worked on several projects ranging from desktop to web, and mobile, webscrapers, file parsers e.t.c, here are a few of them: 1)PlanSimulator : A simulator that displays movement of people within a shopping mall. The essence of this application is to help provide insights on user behaviours withing a shopping mall, as well as help to 2)PaymentBot : This is a bot that was developed to automate the process of adding items to cart and making payments on the Ministry of corporate affairs site in india(http://mca.gov.in). The site made use of captcha for login. I was able to overcome this by using the deathbycaptcha service.

    $25.00 /hr
    0 hours
    5.00
  8. Larisa Timish

    Larisa Timish

    QA Engineer

    Ukraine - Last active: 1 month ago - Tests: 3

    It’s 4years since I’m working as a QA. During this period I’ve received an experience of manual testing web applications, defects tracking, reviewing and reporting. Got skills of requirement management and test designing, A/B and Multivariate, functional, usability, GUI testing, cross-browser and regression testing of web applications. I obtained experience of working in Agile team, communication with developers, analysts and customers. Got also experience in Android, iOS and tablet testing, black/grey box testing. Have any questions? Want to discuss your projects? Feel free to contact me and have a nice day!;)

    $10.00 /hr
    0 hours
    5.00
  9. Stanislav Kotov

    Stanislav Kotov

    Network System Engineer/System Administrator - FreeBSD/Linux/Solaris

    Russia - Last active: 22 days ago - Tests: 7

    I am Senior network engineer/Architect searching job at free time (usually few hours/day). Now i am working at Cisco/Juniper Partner in System Integration Company. I have built projects for ISP: IP and/or IP/MPLS networks from small provider (up to 700 users, pure IP/L2) to nationwide backbone and broadband networks (IP/MPLS Core with BGP and complex TE, B-RAs). All the MPLS services: Internet, L3VPN, VPLS, L2VPN, mVPN; including InterAS and CsC cases. Participate on all project stages from presale (equipment choose and design) to implementation and documenting, and further high-level support for networks, usually remote. I know in detail and have big practice of various network technologies: Routing: BGP, OSPF, EIGRP, ISIS, LDP, RSVP TE, NAT (all cases) VPN: MPLS VPN, GRE (PPTP, DMVPN), IPSEC Security: Firewall - Cisco PIX/ASA, Juniper SRX access-lists/filters - CBAC/ZBF QoS: can develop and deploy you traffic classes, implement marking and queuing and shaping, policies and your needs, including multi-color policers. Deploying different main and complementary services for ISP on UNIX/Linux/Solaris/Windows platforms, including virtualized ones: DHCP, DNS, Radius, Tacacs+, Mail, HTTP servers, SNMP, j/netflow collecting, integration with billing systems, MySQL and other. Big experience in automation: building different monitoring, configuration, self-healing scripts also for large amount of devices using multitasking. Bash, Perl scripting Have big experience in Cisco/Juniper product line from small routers to top line (CRS/TX Matrix). Also know and have practice of using many network hardware vendors (Extreme/Foundry/Dlink/Zyxel/Huawei). Programming experience: Perl (many scripting mainly on UNIX), PHP (made full project for university for student contract system, using MySQL, Javascript also), Shell scripting - bash, awk, sed, beginning to learn Python, C/C++ - some small application and system programming, MFC (Microsoft Foundation Classes), can easily modify program code. Also have experience in Windows administration AD deploying till W2003. Huge experience of user support. The rate can be lower if project topic is interesting for me but i don't have corresponding experience for it. I am taking full responsibility of my work. Have strong tradition to make documentation on my work. If you have big projects, which requires presence in the site we can discuss it.

    $56.00 /hr
    8 hours
    4.82
  10. Dillan Butler

    Dillan Butler

    Software engineer

    United States - Last active: 1 month ago - Tests: 7 - Portfolio: 1

    Over the last few years I have worked for a startup, a large company and a research project all in the field of software engineering. I have worked with .net, html, PHP, javascript as well as MySQL. My core copentence lies in back end architecture, working with server side communication, mathematical algorithms and software QA. I am seeking opportunities to further my experience with QA or server side development. I also have experience with game development, Agile softare programming, OOP and JSON.

    $26.00 /hr
    1 hours
    4.85