Cryptography Freelancers

Showing 6 freelancers

Cryptography Freelancers

Showing 6 freelancers

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Last updated: March 1, 2015

  • Researcher, Developer & Communicator

    * Mathematician (Master's degree, Ph.D. candidate in Universal Algebra) * Computer Scientist (Bachelor's degree, doing Master's thesis work on Social Network Analysis + Natural Language Processing). * Full-stack Python Developer. * Diving into Data Science. I have extensive experience in research … more

    * Mathematician (Master's degree, Ph.D. candidate in Universal Algebra) * Computer Scientist (Bachelor's degree, doing Master's thesis work on Social Network Analysis + Natural Language Processing). * Full-stack Python Developer. * Diving into Data Science. I have extensive experience in research, development and tutoring, and I always love to find ways to link the academic world to the software industry, combining tools from both fields to solve challenging real-world problems. I am a strong advocate of open source philosophy and agile methodologies, and I greatly enjoy collaborating in teams of creative and passionate people. I also like to communicate results in a clear, understandable and enjoyable way. I am in love with the Python programming language, its philosophy and its community, so I try to do as much of my work as possible on Python. ----------------------------------------------------------- I am always open for new challenges, specially on jobs that include some of: * Web Scrapping * Data Analysis & Visualization * Machine Learning * Natural Language Processing * Social Network Analysis * Web Development with Django|Flask -------------------------------------------------- Some of the technologies I'm familiar with: - Python (Django, Flask, Scrapy, numpy, scipy, pandas, scikit-learn, NLTK, matplotlib, ipython-notebook) - HTML/CSS, Javascript, jQuery, flot.js - MySQL, postgreSQL, redis, mongodb - Linux shell scripting - C#/.Net, Objective-C (iOS development), Java, PHP  less

    python algorithms django-framework cryptography machine-learning research-papers agile-software-development education-technology data-scraping data-science 00 more less
    • $38.89 HOURLY RATE
    • 5.0
    • 572 HOURS
    • ARGENTINA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 4 TESTS
  • Engineer

    I am a CSE graduate. I am fluent in english. I am expert in C, C++, Java, C-Sharp, HTML, Java Script, PHP, Oracle etc. I am also experienced in data entry job. I have completed many projects in my academic … more

    I am a CSE graduate. I am fluent in english. I am expert in C, C++, Java, C-Sharp, HTML, Java Script, PHP, Oracle etc. I am also experienced in data entry job. I have completed many projects in my academic career. I am well aware of current technology and try to learn new thing in my free time. I like to do freelancing because it increase my skill day by day. I am honest with my job. I like to watch movies, tv shows in my free time. I you want to know more about me mail me at mamunn.08@gmail.com or contact me in facebook : facebook.com/paikmari. Thank You for staying with me. Have a good day :)  less

    database-programming c java microsoft-visual-c++ microsoft-excel-powerpivot php cryptography javascript 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 9 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 8 TESTS
  • Web Developer, Web Security, Linux Admin

    Dear reader, I'm Juan Escobar. Since 2009 I've been working with: + Linux servers + PHP frameworks + MySQL database + Security methodology OWASP Some years ago I started with security/programming challenges, currently I'm in Colombia's top 5 in … more

    Dear reader, I'm Juan Escobar. Since 2009 I've been working with: + Linux servers + PHP frameworks + MySQL database + Security methodology OWASP Some years ago I started with security/programming challenges, currently I'm in Colombia's top 5 in wechall.net (A website that consolidates user scores in the security/programming challenges most recognized in the world): http://www.wechall.net/country_ranking/player/juanescobar#rank_2. In 2011 I registered Compubun Company. With Compubun I developed ​​web application for the government sector and private companies using technologies as PHP, HTML, CSS, jQuery and Frameworks. That made ​​me gain experience in management projects and administrative tasks. Finally, I want to say that I am a person who cares about the little details, I'm very obsessed with quality as you can see in the latest work from my portfolio.  less

    security php zend-framework yii-framework linux-system-administration cryptography mysql database-design database-programming ftp data-backup centos ubuntu apache-administration html wordpress cpanel whmcs whm domain-migration firefox-plugin-development python django-framework jquery github node.js couchdb website-wireframing ajax 00 more less
    • $15.00 HOURLY RATE
    • 4.2
    • 342 HOURS
    • COLOMBIA
    • LAST ACTIVE
    • 14 PORTFOLIO ITEMS
    • 7 TESTS
  • Bitcoin expert

    More than 16 year day to day practical experience in software development and product creation. Excellent technical skills, good understanding of business processes. Excellent understanding of Architecture of high scalable and distributed systems, familiar with Windows and Linux, FreeBSD software … more

    More than 16 year day to day practical experience in software development and product creation. Excellent technical skills, good understanding of business processes. Excellent understanding of Architecture of high scalable and distributed systems, familiar with Windows and Linux, FreeBSD software stack. Excellent WEB development skills, understanding core html, javascript and modern frameworks like AngularJS. Good communication skills, and readiness for day to day project management activities. Highly accountable, and reliable. Ready to deliver on time, follow deadlines, and focus on quality.  less

    bitcoin cryptography angularjs node.js java php javascript mysql mongodb c++ 00 more less
    • $35.00 HOURLY RATE
    • 5.0
    • 0 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 2 TESTS
  • Software Architect

    Software Engineer with broad experience in various open-source frameworks and technologies. Particularly interested in design of decentralized networks, like BitCoin, BitTorrent, TOR, i2p and so on. Specialties Cryptocurrencies, High loads, fault-tolerant systems, cryptography, billing & payments, management of distributed teams. … more

    Software Engineer with broad experience in various open-source frameworks and technologies. Particularly interested in design of decentralized networks, like BitCoin, BitTorrent, TOR, i2p and so on. Specialties Cryptocurrencies, High loads, fault-tolerant systems, cryptography, billing & payments, management of distributed teams.  less

    php java cryptography distributed-computing cassandra doctrine-orm payment-gateway-integration database-design nosql amazon-web-services data-mining zend-framework ruby-on-rails django-framework mysql ffmpeg load-balancing video-streaming lamp-administration load-testing javascript junit linux-system-administration xml-rpc html css jquery lua maven lighttpd rest postgresql payment-processing core-java python git svn ajax 00 more less
    • $50.00 HOURLY RATE
    • 5.0
    • 3853 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
    GROUPS:
    ASSOCIATED WITH:
  • iOS Mobile Applications Developer, Architect, iOS/API Consultant

    To be an Expert in iOS or Android development means to understand all the problems of the clients and find the best way to solve it with high quality. More then 8 years of C/C++ development and Architecture/API … more

    To be an Expert in iOS or Android development means to understand all the problems of the clients and find the best way to solve it with high quality. More then 8 years of C/C++ development and Architecture/API design experience. More then 4 years of iOS experience allows me to feel needs of my clients and help to make their business better. I'm in the top of the workflow through the project from the beginning to the end and take full responsibility for results of final deliverables. MY CLIENTS: - Philips Ukraine (http://www.philips.ua/) - Westwing Home & Living GmbH (http://westwing.de) - Welppeper Inc. (http://wellpepper.com/) - Play Golf Planet Inc. (https://teeagent.com/) - Fieldfolio Pty Ltd (http://www.fieldfolio.com/) - RooM the Agency (https://http://www.roomtheagency.com/) - Search Concepts AG (http://www.searchconcepts.ch/) - MEMIDIS Pharma (http://www.memidis.nl/) - Daylene Christensen (http://day1yoga.com/) - G7 Research LLC (https://www.jognog.com) - Royal Brompton & Harefield NHS Foundation Trust (http://www.rbht.nhs.uk/) - Biruza Software (http://biruza.com/) - Qbix (http://qbix.com/) - Salepads AB (http://salepads.com/) - QCM France (http://www.qcmfrance.com/) - M3W Inc. (http://www.thevailapp.com/) PORTFOLIO: https://www.dropbox.com/sh/q0tnlkt46xl2ker/yIdkZrtMxa/Portfolio SERVICES: - iOS/Android/Tablet applications and game development - Code review and bug-fixing for your projects - Consulting about better mobile practices, user interface practices, Apple App Store application submittion process, architecture design; contribute ideas for making your application(s) better and easier to use; keen eye for detail - Project management, continuos integration, unit-testing for your projects - Review and perform a technical analysis of requirements - Produce a solid, detailed technical design, write clean, modular, robust code to implement the desired requirements - Regular report of project status with relevant deliverables EXPERIENCE: - iOS versions 4.3 - 7.x, iPhone/iPad applications, application Localization - Continuous Integration for big companies (auto build, configuration management, Jenkins, MonkeyTalk test cases) - Storyboards/xibs interface, MRR or ARC projects - JIRA, Confluence, JIRAConnect, Git, Svn, Jenkins, Ant - CocoaPods, TestFlight, SDWebImage - Web services integration (SOAP, REST, JSON, XML, XMLRPC), RSS, RestKit, AFNetworking - Social networks integration (Twitter, Facebook, LinkedIn, Thumblr,...) - Integration with data storages (iCloud, DropBox, Parse.com) - Push Notifications, Local Notifications, Events, UrbanAirship - Cocos2D and Kobold2D game engines - CoreAudio, CoreAnimation, Audio/Video streaming, QuickLook, QuartzCore, AddressBook - SQLite and CoreData, external storages Parse.com, Amazon S3 - InApp Purchases, Paypal, E-commerce - Bar code and QR codes: RedLaser, ZBar - Advertisements: iAd Network, RevMob, MoPub, Google AdMob, Adwirl, TapJoy, Chartboost - Statistics: Google Analytics, Flurry Analytics, Localytics, TradeMob, AdXTracking, Google Conversion Tracking - Image processing, OpenCV, Augment Reality - CoreLocation for navigation, efficient GPS regions monitoring, geoloqi - Apple App Store experience with publishing aps - Route-Me Offline maps and Google Maps API (MapKit), Foursquare - ; ...  less

    objective-c cocoa cocoa-touch game-development android-app-development c++ c cocos2d ipad-app-development ios-development project-management iphone-app-development facebook-api apple-xcode xml xml-rpc amazon-s3 google-maps-api api-development api-documentation twitter-api atlassian-jira atlassian-confluence amazon-web-services software-testing database-design cryptography security sql sqlite apple-uikit-framework requirement-management requirements-analysis database-programming 00 more less
    • $60.00 HOURLY RATE
    • 4.9
    • 1101 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 25 PORTFOLIO ITEMS
    • 9 TESTS
    GROUPS:
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