Top Upwork Freelancers

Clear all filters
  1. Igor Z.

    Igor Z.

    Ruby on Rails, AngularJS, Ruby, CoffeeScript, jQuery, SQL

    Belarus - Last active: 1 day ago - Tests: 3

    Over 3 years of development gave me great experience. For this period I've developed a lot of projects using different approaches and technologies. Worked on Ruby on Rails more than last two years. Backend + frontend (JavaScript, HTML, CSS). Have great experience with Angular.js, Bootstrap. Also worked as iOS (Objective C) and Android (Java) developer. Can provide good solutions for existing sites or create them from scratch.

    $23.00 /hr
    314 hours
    4.58
  2. Sanju Thomas

    Sanju Thomas

    Java/Spring/Solr/SOA/JEE Architect & Developer

    India - Last active: 20 days ago - Tests: 3

    Technically sophisticated and business savvy professional with over 10 years of experience in Project Management, Application Design, Development, Maintenance, Support & Continuous Monitoring in Java and related technologies. Worked as Technology Owner of Multiple Applications for Goldman Sachs, Bangalore. Adept in providing post-implementation application maintenance and enhancement support with regard to the product/software application; requirement gathering, system analysis as well as finalization of technical/functional/performance specifications. Skills in technical analysis, business process mapping, requirement study and client interaction. Hands on experience in software development life cycle in multiple business domains. A technocrat with hands on experience in leading teams for successful project implementation while ensuring a high-quality customer experience, elevating customer satisfaction in line with SLAs and work processes and ethics. Have experience in reviewing deliverables at regular intervals and steering the team to complete all project on time and within budgetary parameters. Experienced in Agile/Scrum Methodologies & Test Driven Development. Deep knowledge in Object Oriented Analysis/Design and Unified Modeling Language using tools like Rational Rose, Astah UML and Enterprise Architect. Extensive development experience in Java, EJB, Hibernate, JUnit and RMI using Eclipse IDE in Linux/Solaris Platforms. Strong abilities in testing software including creation of test scripts/cases, execution of functional system tests and tracking of defects using various tools. Excellent interpersonal, communication and organisational skills. Holds the distinction of working across software development life cycle with globally distributed cross functional teams for many time-bound and critical projects. Sanju Thomas is certified scrum developer, certified scrum master and certified scrum product owner too. Specialties: Java, Java Script, Test Driven Development, Scrum, Agile, Struts, Spring, Hibernate, Apache Solr, EJB, JBoss, Tomcat, MongoDB, JIRA, Jenkins, Autosys, SVN, Git, UML, Eclipse, JUnit, JMockit, Mockito, Oracle Endeca, JSP, Servlets, JMS, JAX-WS, RESTFul web services, Oracle, XML, JAXB, Sonar, Maven, Service Oriented Architecture, Amazon Web Services, Amazon Market Space (MWS) Web Services

    $33.00 /hr
    54 hours
    5.00
  3. Jon Garrido

    Jon Garrido

    Gis Developer

    Spain - Last active: 9 days ago - Tests: 4 - Portfolio: 8

    For more than 10 years working with GIS technologies. I'm expert in Web GIS development with ArcGis API for javascript and Silverlight, Openlayers, leaflet, google maps and many others. I have worked as a GIS analyst in many companies such as Bureau Veritas, Tragsa and Basoinsa. Finally I became a GIS developer, working in Tecnosylva and in Tracom Consulting as a GIS Manager. I can develope as well desktop GIS software with .NET, Arcobjects, Dotspatial and Python. I'm responsalbe of map servers maintenance such as ArcGis for Server, Mapserver and Geoserver. I have been Database manager with SGDB like MS SqlServer, MySql, PosgreSQL+Postgis. ESRI Young Scholars Award 2012-2013 winner

    $39.00 /hr
    181 hours
    4.76
  4. Minh N.

    Minh N.

    Experienced Java Developer

    Vietnam - Last active: 22 days ago - Tests: 2

    - Over twelve years' experience in software development using JAVA. - Strong experience in the analysis, design, development and implementation of web applications using JAVA frameworks. - Strong experience in databases: MySQL, PostgreSQL and Oracle. - Strong skills included Java/JSP/Servlet, JavaScript/HTML/CSS, GWT, Spring, Hibernate, Tapestry, Struts. - Good knowledge in Android programming. - Good knowledge in other programming languages such as C/C++, C#, PHP and Erlang. - Good English in communication skills. - Worked as a team leader in both independent and inter-dependent environments.

    $20.00 /hr
    41 hours
    5.00
  5. Ivan Kulakov

    Ivan Kulakov

    Java developer | Web Developer

    Ukraine - Last active: 1 day ago - Tests: 6 - Portfolio: 6

    Work as private web master for more than 3 years, have experience of creating sites on order. Develop Java web-applications. Also code designes. Have studied "Java Basic Course" in 2013, "Java Advanced Course" in 2014 (nearly 100 hours). Was working with Java EE open-source projects. Have experience and work with: • Apache Maven • Mercurial Hg (Version Control System ) • Tomcat (Web Server ) • Spring MVC (Web framework ) • Spring (Inversion of Control) • Servlets / JSP • JUnit • Log4j • JavaMail • JDBC (Java DataBase Connectivity) • MySQL • HTML • CSS • XML • JavaScript • JQuery Also: • General knowledges and Hibernate working principles understanding • Good skills in Adobe Photoshop About me: Go in for computers, web development and new technologies. Improve skills of web development everyday. Initiative, self-confident, sociable. Fast learner, and love to learn something new. I think work need person to be creative and to look for unusual and creative solutions. I like to work in a team. In my spare time doing self-learning, making music, reading books :)

    $20.00 /hr
    559 hours
    5.00
  6. Khoa Nguyen

    Khoa Nguyen

    DevOps

    Vietnam - Last active: 7 days ago - Tests: 3

    - Have experience about managing big system about 300 server . - Infrastructure as code with Ansible, Chef. - Use Docker to Continues Deployment - Build Continuous Integration and Continuous Delivery System by Jenkins, Ansible , Docker - Programming languages: bash shell, Python, PHP, Ruby - Config, manage open source such as mysql, apache, nginx, memcached, redis , vagrant , docker ... - High available with fail over and load balance. - Monitor system with New Relic or Zabbix tool - Have experience with Amazon web service : EC2, S3, Route 53, Elastic Cache, Auto Scalling , ELB and Digital Ocean

    $21.99 /hr
    70 hours
    5.00
  7. Nikolay Moskvichev

    Nikolay Moskvichev

    C/C++ developer

    Russia - Last active: 3 days ago - Tests: 3 - Portfolio: 1

    Thank you for viewing my profile! My main objective is to provide excellent service, with timely, accurate, and professional results. Have been working in area of biometric solutions for a number of years. Have acquired considerable experience in image processing. Strong understanding of multithreaded development and Inter Process Communication and the challenges which this can cause. Have experience with database client applications development. C/C++ more than 10 years of experience (Windows/Linux).

    $22.00 /hr
    170 hours
    5.00
  8. Yashpal Gohil

    Yashpal Gohil

    C++, Qt, VC++

    India - Last active: 1 day ago - Tests: 5 - Portfolio: 3

    In more than 7.5+ years I have developed softwares for desktop application and embedded platforms. Worked in different domains like education, security, farming soluction and PLM. Have expertise in C++ with Qt and VC++ on different version of OS of windows and Linux. Software Developement models used are Agile developement practice and waterfall model. Different version control systems I have used so far are, Mercurial, Git, SVN and CVS I believe in delivering quality product with end to end solutions for my clients.

    $22.22 /hr
    32 hours
    5.00
  9. Moiz A.

    Moiz A.

    Certified Information Systems Auditor (CISA),CISM, IS Consultant

    Pakistan - Last active: 13 days ago - Tests: 1 - Portfolio: 1

    Experienced associate who have been involved in Security Reviews, Information System Audits, Revenue Assurance Reviews and Special Assignments at various large and medium-sized organisations. My core area of expertise includes assessment of internal control environment for information systems and critical IT processes; evaluating system of internal control and risk management; pre & post implementation reviews; security reviews of operating system, database and applications/ERP(s)

    $11.11 /hr
    191 hours
    5.00
  10. Anatol Druzhinin

    Anatol Druzhinin

    VBA macro developer

    Russia - Last active: 9 days ago - Tests: 3

    VBA expert at your service! I have 15 years expertise in MS Office apps and VBA-automating and integrating them to build user-friendly applications. I am experienced in: - data analysis and visualisation in Excel, - building databases in Access and Excel, - creating corporate automated templates in Word, - designing clear presentations in PowerPoint, - automaticaly sending emails with data via Outlook from other Office apps. I graduated from the Novosibirsk State University, Mathematics & Mechanics dept and qualified as mathematician and IT-specialist. I am interested in complex and non-typical works.

    $20.00 /hr
    28 hours
    5.00