Top Upwork Freelancers

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  1. Muhammad Aslam

    Muhammad Aslam

    Software Engineer

    Pakistan - Tests: 2 - Portfolio: 2

    I am a experienced iOS developer having 4+ years experience. I have hand on experience with Cocos2dx for multi-platform games Unity 3D quite hand on experience Native Apps for ios devices Memory Management Integration of Facebook,Twitter. Integration of chartboost,revmob,admob,applovin and playhaven Audio and video Recorders, Players. User Interface Features like Animations , Gestures , Swipes , Shaking. Push Notification. In App Purchase. Experience with UIKIT

    $22.22 /hr
    27 hours
    5.00
  2. Yuriy A.

    Yuriy A.

    Expert Java Developer (Server Side)

    Russia - Tests: 3

    Over the last 8 years, I have developed a wide range of software solutions using JavaSE/JavaEE. Last three years I have been working as Java Expert who helped java-team and QA-team to solve complex problems. Special Skills: 1) Multithreading 2) Integration 3) Improvment/Optimization 4) Jetty/Servlets/HTTP/JAX-RS/JAX-WS 5) JMS (ActiveMQ/Fuse) 6) Hibernate/SQL (MySQL, Oracle, MSSQL) 7) Morphia/NoSQL (MongoDB) 8) SMPP 9) XML/XSLT/JSON 10) HTML Parsers/Spiders/Bots 11) Security 12) JUnit/Mockito/DBUnit/Cobertura 13) Maven/GIT

    $30.00 /hr
    20 hours
    5.00
  3. Andrii Ryzhenko

    Andrii Ryzhenko

    Senior Java Developer

    Ukraine - Tests: 2 - Portfolio: 2

    Skills • Java Core, Spring, Hibernate, Grails, Web-Services • SVN, Git, Maven, Gradle • Unix, Oracle, Tomcat Summary of work experience Mar 2014 - present Tain Ukraine Senior Java Developer Developing server side and front-end parts of large online gaming platfom, integrate with payment systems, integrate with other applications Jan 2013 – Mar 2014 Luxoft,UBS Investment Bank Scrum master Organize scrum and agile practices, lead process in team, insuring proper cooperation and collaboration with customer, remove impediments and mitigate risks, resolve internal team issues and facilitate productivity, each 2 month business trips to London. Jan 2010 – Mar 2014 Luxoft,UBS Investment Bank Java Developer Clearing system for Trade Asset Services: server-side trade clearing system; ledger and accounting notification system; monitoring of services and manual configuration via JMX; reconciliation with other front-office systems; web-based error reporting and trade management system written on Grails+GWT. Dec 2008 – Nov 2009 ANTK im. O.K.Antonova/IT Department Technical Support Migration to electronic accounting, generation of reports for details comparison tests, using PHP, MySQL. Languages Russian(native speaker), Ukrainian(fluent), English(upper-intermediate), French(elementary) Education 2005 – 2011 National Technical University of Ukraine “Kyiv Polytechnic Institute”. Informatics and Computer Engineering Department. Personal data: Quick trainability, good communication skills, energy, responsible. Interests include snowboarding and photography. Having one non-commercial web-based java project.

    $10.00 /hr
    54 hours
    4.99
  4. Alexandr Klyuchnikov

    Alexandr Klyuchnikov

    Software Developer

    Kazakhstan - Tests: 2

    Last year I worked as Testing Software engineer. During this work I got a huge experience of using TestComplete. This job improved my english skills, Javascript skills and my PHP skills a little (I participated in Knowledge Base development as architect and backend developer). Before this job I participated in developing of Automatic Control System using PHP, HTML, DHTML, CSS, JavaScript and PostgreSQL for 3 years. I am experienced in database desingning and backend developing. I like to create something new, and I like programming a lot. In my spare time I study Java and Android development.

    $30.00 /hr
    3,954 hours
    5.00
  5. Vladimir Y.

    Vladimir Y.

    .NET (C#) / ETL (SSIS) Developer

    Kazakhstan - Tests: 2 - Portfolio: 1

    Over the last 5 years, I have gained strong background in consumer and investment banking domains serving business analyst roles at major international banks such as Societe Generale, Deutsche Bank, Citi. Software platforms developed with my contribution cover Straight Through Processing, Acquisition & Scoring, Debt Collection and some other minor domains. During last 2 years I did my best in order to switch my core activities from Analyses to Software Development using Microsoft technology stack - .NET (C#), SQL Server, SQL(TSQL), SSIS, SSRS. Currently I decided to apply my software engineering skills to more wide range of opportunities could be discovered via oDesk while staying in full-time role at one of leading CEEMEA consumer finance bank. I also have some experience in the following areas: Ajax, Java, Python

    $16.67 /hr
    18 hours
    5.00
  6. Ivan L.

    Ivan L.

    Senior Developer (PHP \ SOAP \ WSDL experienced)

    Russia - Tests: 3 - Portfolio: 4

    I am a professional in the field of web development with extensive experience in designing websites of varied complexity. The main technologies I use in my work are: PHP – I develop the majority of projects in this programming language. I am well familiar with its structure, advantages, and shortcomings. SOAP – I have used the SOAP and WSDL technologies to develop a number of web services. MySQL – the main DBMS I use in my projects. I am well familiar with the finer points of its setup and implementation. HTML\CSS\Javascript\jQuery\Ajax – I often need to engage in front-end development. Technologies I use less often but have a positive experience with: REST, PostgreSQL, Oracle, RabbitMQ, Google Cloud Messaging (GCM), PHP Yii Framework, Wordpress The most interesting projects I have worked on include: 1) A sports statistics system for the South African Golf Association. For that system, I developed a high load web service by utilizing the SOAP and WSDL technologies 2) Systems for online flight booking for the t3com company. 3) A great number of projects which are smaller in size but no less important to me. In addition to web development, I have experience in creating desktop systems and utilities with the use of such programming languages as C# and Java. I will put in my best effort for solving your problem.

    $17.00 /hr
    578 hours
    5.00
  7. Rui Gomes

    Rui Gomes

    Web Developer - Proficient in PHP, Laravel, Javascript, Ruby on Rails

    Portugal - Tests: 4 - Portfolio: 3

    I've worked closely with world-class companies throughout the development of outstanding platforms that have been used by thousands. I'm proficient with PHP and I'm also a Laravel early-adopter - I've been using it since early version 3. I've developed countless applications with Laravel, attended the Laracon conference in Amsterdam and I've written several tutorials that have helped hundreds of other developers. In addition to PHP, I've also used Ruby on Rails extensively to develop complex web applications with full featured test suites. Being a Software Engineering student, you'll be sure to get solutions that are well designed, easy to scale and develop upon. I've taken a CAE (Certificate in Advanced English) by the University of Cambridge and passed with flying colours. Communicating with me won't definitely be an issue. Looking forward to working with you on your next web app!

    $70.00 /hr
    168 hours
    4.99
  8. Mariusz Z.

    Mariusz Z.

    Penetration Tester, Linux/UNIX Security Admin,Intrusion Analyst, CISSP

    Poland - Tests: 9 - Portfolio: 1

    I'm Linux Security Administrator & Web Application Penetration Tester with 8 years of experience in the IT field. I'm CISSP (ID# 478556) and OWASP member. My expertise ranges from designing, building secure & robust systems to analysis of subtle software security flaws. I can help you with: - thoroughly security testing your web application (black-box and/or white-box tests) and helping in mitigating detected vulnerabilities - analyzing and assessing vulnerabilities in your application's underlying IT infrastructure - security hardening Linux/UNIX servers/clusters - recommending solutions and best practices on how to design and maintain secure AWS infrastructures - responding to security incident in Linux/UNIX environment, helping in recovery process (rootkit detection, malware removal, etc.)

    $19.00 /hr
    123 hours
    4.79
  9. Nikolay Udalov

    Nikolay Udalov

    Django (Python) / AngularJS Developer

    Russia - Tests: 5 - Portfolio: 5

    Hi, My name is Nicholas Udalov. In my portfolio, are a few of the Django powered web sites that I've developed. My #1 goal will always be to meet your needs and deadline. I have 5+ years experience on Django web framework to develop websites, database driven web applications and content management systems. Primary skills: Python, Django, AngularJS, HTML5/CSS3, JavaScript, Node.js, PostgreSQL. Prefer projects in russian language.

    $15.00 /hr
    302 hours
    4.66
  10. John B.

    John B.

    Expert LAMP admin, focus on Python and Flask

    United States - Tests: 3 - Portfolio: 2

    Stanford grad w/ Masters of Information Science (UIUC) and 9+ years building whiz-bang websites, analyzing the heck out of some data, fixing what's broken, and making things that don't break in the first place. Talents: Python (esp. Flask, Django, and SciPy/NumPy), front-end stack [(X|HTML|5), CSS3, javascript (jQuery, backbone, etc.)]; server setup and administration; redis, SQL, mongo; solid understanding of what a user looks for when they look for information, and how to get it to them. Robust support for data management throughout its lifecycle of interest. I can also churn out written content pretty fast, if that's something you need.

    $45.00 /hr
    174 hours
    4.98