Top Upwork Freelancers

Clear all filters
  1. Anton Trukhanyonok

    Anton Trukhanyonok

    Business Analyst with Java Developer background

    Belarus - Last active: 06/17/2014 - Tests: 4 - Portfolio: 5

    7 ears of experience as Business Analyst plus 3 years of Java development. Is good at: - Full-cycle requirements analysis in software engineering projects. - Writing of Use Cases and User Stories. - Creation of Domain Models and Entities and Relations diagrams. - Business Process Modeling with BPMN notation. - Designing of interactive UI prototypes in Axure. - Writing of Proposals, Vision and Scope, Software Requirements Specifications, and other documents involved in software development projects. - Creating and documenting of XML Schema, XSLT, and WSDL, for systems integration and Web-services API design. - BI (Business Intelligence) reporting using Excel. Data mining with XML/XPath and SQL.

    $34.99 /hr
    85 hours
    4.95
  2. Mihail K.

    Mihail K.

    UNIX/Linux administrator

    Belarus - Last active: 3 months ago - Tests: 5

    I love UNIX! I love one-line shell scripts! I work with Debian, RedHat, HP-UX. Little with OpenSolaris and FreeBSD. I have experience in creating and supporting monitoring systems based on Zabbix and Nagios (several tens of servers with different OS). I am well familiar with network protocols and tools for testing and troubleshooting (wireshark, tcpdump, nmap, traceroute, etc.). I have experience in creating secure VPN tunnels based on OpenVPN, IPSec, L2TP/IPSec, GRE and PPTP. I was installing and configuring lighttpd, apache httpd, nginx, exim4, dovecot, samba, OpenLDAP, etc. I have experience with creating mail servers used in hosting company for many customers. I was working with virtualization Xen, KVM, VMware. Have experience with cloud services like Amazon EC2. I have experience in installing and configuring Oracle 10g, 11g, PostgreSQL, MySQL.

    $16.67 /hr
    88 hours
    4.97
  3. Ruben G.

    Ruben G.

    Web Developer and Adobe Flex, AIR, Actionscript 3.0 Certified Expert

    Ukraine - Last active: 2 months ago - Tests: 5 - Portfolio: 1

    Over the last years I have developed a wide range of client applications using Flash, Flex, AIR etc. My background in management includes 5 years working in the media and gambling sectors of the IT market. In addition to this I have extensive knowledge of Flash and Flex technologies which give me 8 years of total development experience. Also have theoretical knowledge in HTML5, CSS3 and Javascipt, including latest frameworks (AngularJS, EmberJS and BackboneJS) and I would like to take small projects in this area for LOW RATES to increase my experience and have some practice. Please contact me if you need some bugfixing or implement some stuff in these areas. As someone who always provides high quality of service, I always try to be closely involved in different stages of the project to fully understand the business needs of the requirements and provide the best and creative solutions. On every project I work on I bring fresh ideas and creative way of thinking.

    $16.67 /hr
    28 hours
    5.00
  4. Angela H.

    Angela H.

    Senior Information Technology Professional

    United States - Last active: 12/03/2014 - Tests: 2

    Insightful, strong analytical, detail-oriented, results-driven IT Professional with 18 years of experience in various Information Technology Project Roles. Key project roles include but not limited to Project Manager, Business Analyst, System Analyst, Database Administrator, Resource Coordinator, Quality Analyst and Developer. Notable success within a broad range of IT initiatives while managing and executing planning, analysis, reporting, and implementation of solutions in support of business objectives. Hands-on experience leading and performing all stages of Software Development Lifecycle (SDLC), including requirement gathering, definition, architecture design, quality analysis, post implementation support, compliance regulations, and business continuity. Complementary interpersonal skills allowing successful collaborative efforts in managing global team resources and building stakeholder consensus. Proficient in numerous Project Management Methodologies such as Waterfall, Agile with Scrum/Lean Practices, Six Sigma, Feature Driven Development, and XP Extreme Programming.

    $27.78 /hr
    1,433 hours
    4.82
  5. Istvan Jeno Veres

    Istvan Jeno Veres

    Web Developer

    Romania - Last active: 05/16/2014 - Tests: 1 - Portfolio: 1

    Over the past 2 years, I have been working on various projects at Babes Bolyai University, developing android apps, web pages using Python/Django framework and at Nokia Siemens Networks working in RoR. My competency lies in my ambition and ability to meet deadlines and take part in an Agile Software Development Process, gained through my internship at a large multinational company. I have experience in: Java, C/C++, Mathworks Matlab, Ruby, Ruby on Rails, Python, Django, HTML, CSS, JavaScript/jQuery, Linux, Databases/SQL

    $13.33 /hr
    513 hours
    5.00
  6. Jakub B.

    Jakub B.

    Hardware prototyping, DSP, python programming

    Poland - Last active: 2 months ago - Tests: 4 - Portfolio: 1

    I am an engineer specializing in Arduino and Electronics. I'm PhD student of audio engineering. I was studying at the Faculty of Electronics and Computer Science. My core competency lies in signal processing and prototyping devices (with sensors, light, motors, audio and wireless connection). During my studies I also learned programming with C++, Python and MatLab and I developed some Android apps. Apart my basic competency (hardware design) I'm making interactive applications based on processing language for desktop and for web (using processing.js) Don't hesitate to contact me.

    $30.00 /hr
    888 hours
    4.94
  7. Abhishek Bhambri

    Abhishek Bhambri

    Expert Php,Testing,Jquery, QA, Test Automation,JIRA,SVN,

    India - Last active: 08/20/2014 - Tests: 7 - Portfolio: 4

    Over the last 3 years I have devloped a wide range of websites using PHP, CSS3, HTML5, Jquery, Jquery UI, MySQL, Ajax, DHTML including sites for startup comapnies as well as social networking sites. I am a team oriented person with excellent interpersonal skill and strong analyticall skills. I have also worked as a senior web developer for social networking site mihubs. I can build a medium to big size custom CMS application using structure based on Wordpress, phpBB Drupal using various techniques such as Php, AJAX, JavaScript and Jquery. I have developed websites on Social Networking platform using BuddyPress,Wordpress and I have an expertise in developing custom modules, plug-ins and components of Buddypress and Wordpress. I am well versatile with layout or website designing with CSS driven tableless and div tags for better search engine visibility. Some other API Intgerations i know and have worked with -CC Avenue Integration - Facebook Integration - Twitter API Integration - Facebook Appilications

    Groups: Bluehost Developers and Designers, LoginRadius

    $20.00 /hr
    128 hours
    5.00
  8. Oleksandr Moskalenko

    Oleksandr Moskalenko

    Operations Engineer

    Ukraine - Last active: 10/17/2014 - Tests: 7 - Portfolio: 5

    Over last years i worked as Operations Engineer, Team Lead. I was involved into several network, web and mobile projects. Worked for large enterprises and startups. Have an experience working with different network equipment, OS and software. I use different technologies in my work and open to discuss on what to use and why.

    $33.33 /hr
    53 hours
    5.00
  9. Yaro Apletov

    Yaro Apletov

    Full Stack Web Developer

    Spain - Last active: 4 months ago - Tests: 4 - Portfolio: 9

    I am a fair and honest contractor, who always listens carefully to customers to determine and understand their business requirements, fulfill them and to provide an added value in every job I take. Delivering great and well documented solutions on time and budget - is always my goal number one! I possess a Master's Degree in Maths and CS and a broad experience in software architecture design and implementation for various domains and platforms. I am a passionate programmer with love for tdd, bdd, clean, optimal and readable code. My specialization is in building end solutions with web technologies, using Ruby, Rails, Javascript (Coffee) with AngularJS and Meteor. Outside of work, I am a keen technical writer of articles on programming and CS. Experience: All development phases - from interviewing customers, gathering and formalizing technical requirements to post sale customer support - solo and as part of a distributed team. Technologies: Proficient knowledge and regular use of technologies and methodoligies, such as Agile, TDD, BDD, CI, oop, patterns, optimization, ajax, sockets, mvc, fp, parallel processing, network api and communication. Tools: Extensive knowledge and regular use of development and related tools: Windows Server/Linux/LDAP/Samba/AD/DNS/DHCP/MS Sql/Mysql/Postgres/Mongo, IIS/nginx/ssh/git/travis/heroku/github.

    $30.00 /hr
    109 hours
    5.00
  10. Muhammad Raffay

    Muhammad Raffay

    Sr. Server Support Engineer / Consultant

    Pakistan - Last active: 08/31/2014 - Tests: 2 - Portfolio: 5

    I am result-oriented IT Professional (having more than 7 years of Experience) focused towards company’s operational goals by keeping abreast with current and emerging IT technologies. Core competency attribute as the management experience of supervising team of skilled human resources responsible for smooth IT operations; nevertheless has the ability to work as team member or in individual capacity. Substantial Project Management aptitude of planning, designing, and implementing large-scale Enterprise Network / System Infrastructure, Security Operations Center (CCTV/Bio-Metric appliances), Windows Active Directory, Microsoft Messaging and Collaboration and Back office Application Services along with different emerging technologies as per organization need. Also, have the knowledge of deliver cost effective solutions which meets the business requirement. And, ability to conduct AS-IS, TO-BE and GAP analysis to enhance business processes. Some of my salient achievements: • Bachelors of Engineering in Information Technology (B.E. IT) • Cisco Certified [CCNA 640-802, CCNP Cisco ID: CSCO13826485] • Juniper Certified [JNCIA-EX, JNCIA-ER, JNCIS, JNCIP Juniper ID: JPR81316] • Microsoft Certified System Engineer (MCSE 2003, Coursework) • Corporate IT Security- (Computer Networks Security) Design Experience: • Active Directory 2003/2008 • Microsoft Exchange 2003/2007/2010 • Microsoft System Center Operations Manager 2007 • Firewall (Cisco ASA, PIX525, Sonicwall NSA 3500, Juniper SSG 140) • Cisco Routers 800, 1600, 1800, 2800 • Cisco Switches 2900, 3500, 4500, and Extreme BD6800, x450, Summit 48si, HP ProCurve 2810, 1800 Specialties • Data Center Development • Network infrastructure design • System infrastructure Integration • Point-to-Point Wireless Solution • Unified messaging • Custom software development • Risk management and data security • Disaster recovery planning • Structured Cabling Solutions

    $16.67 /hr
    37 hours
    4.99