Cryptography Freelancers

Browse Cryptography job posts for project examples or post your job on Upwork for free!

Cryptography Job Cost Overview

Typical total cost of Upwork Cryptography projects based on completed and fixed-price jobs.

Upwork Cryptography Jobs Completed Quarterly

On average, 10 Cryptography projects are completed every quarter on Upwork.

10

Time to Complete Upwork Cryptography Jobs

Time needed to complete a Cryptography project on Upwork.

Average Cryptography Freelancer Feedback Score

Cryptography Upwork freelancers typically receive a client rating of 4.96.

4.96
Last updated: May 1, 2015

Popular Cryptography Searches

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  1. Jeffrey Santiago

    Jeffrey Santiago

    Expert Web Service/API Programmer

    Philippines - Last active: 3 months ago - Tests: 1 - Portfolio: 4

    A versatile OOP programmer for over 5 years that has been working on different platforms such as IOS,Android,Web and Application Servers. A fully experienced API developer using different known protocols such as but not limited to SOAP,JSON or TLV over REST and XML-RPC. A Cryptography and Security Expert that is very familiar with industry standard security protocols such as RSA,PGP,AES,3DES,SSL/TLS etc. Well versed in the development of systems using different telecommunications protocols such as SMPP, USSD etc. and Banking protocols such as ISO-8583 and is experienced in Payment Card Industry Standards such as EMV, Magnetic Stripe and many more.

    $16.67 /hr
    0 hours
    5.00
  2. Maxim K.

    Maxim K.

    Java/SQL/NoSQL/Lucene/Cassandra/Multithread/Clusters Expert - 15 years

    Russia - Last active: 6 days ago - Tests: 6 - Portfolio: 2

    I am seeking opportunities to build a comprehensive software with distributed data processing, indexing, searching and encryption (JCE, RSA, AES, X.509). Over the last 15 years, I am also working as the system architect and backend developer on the TrackStudio issue tracking system: http://www.TrackStudio.com I am interested in working with Apache Lucene, Solr, Cassandra, Amazon EC2, Java. I have worked with almost all available RDBMSes, many NoSQL engines (Hadoop/HBase, Cassandra, OrientDB, Neo4j, MongoDB), in-memory databases (Hazelcast, GridGain), clustered file systems, general-purpose computing on GPU, and other similar stuff. Have a great experience in query optimization, application profiling, and troubleshooting. Strong theoretical background in math, relational database theory, statistics and IT; broad software development industry's experience, including but not limited to programming, object-oriented and database design, development for Windows/UNIX/Linux. I have good project management skills, experience in communication local and worldwide customers. Have no daytime job and focused on oDesk projects.

    $34.50 /hr
    10,603 hours
    5.00
  3. Tarun Sharma

    Tarun Sharma

    Software Engineer with a 2 years experience in Software Development

    India - Last active: 8 days ago - Tests: 3

    I am working as a Java web application developer. Experience : More than 2 years. Education Qualification : B.Tech. (Computer Science) Skills : C, C++, PHP, J2SE, J2EE, Spring, Hibernate, Ajax, JQuery, JSON, XML, SAML. I have developed a wide range of web and desktop applications in java using eclipse, netbeans with Oracle, MySql, Postgres as back end. And I am seeking opportunity to build web and desktop applications from the ground up for you or your business. I also have experience in the following areas : PHP, MySql, OOP, Software Design and Testing, Automation Testing with Selenium WebDeriver and IDE (1 year)

    $7.00 /hr
    23 hours
    4.93
  4. Youssef M.

    Youssef M.

    Senior Software Engineer, Data Warehouse Specialist, Technical Writer

    Egypt - Last active: 1 month ago - Tests: 5 - Portfolio: 7

    Over the last 9 years, I have been developing software applications in different domains like desktop applications for small businesses and websites for different applications. I have experience in the following areas: Object oriented design, design patterns, software architecture, JAVA, C/C++, C#, ASP.NET, PHP, Zend, MySQL, MSSQL, jQuery and others. My core edge lies in applying my experience and skills to develop software solutions that satisfy various client's needs and to establish solid relationships with my clients.

    $16.67 /hr
    1,411 hours
    4.63
  5. Alexander Shevtsov

    Alexander Shevtsov

    Mathematician, physicist, ruby and haskell developer.

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

    I'm a mathematician with strong background in abstract and academic branches of maths. Besides that, I'm ruby (RoR) and haskell developer. Ruby on rails: participated in various projects in which I was backend developer. Typical tasks I've been doing: creating APIs, developing models' logic, gem maintenance, creating small frameworks (for other team members), server management. Haskell is a point of my academic interest, my experience in it mostly consists of implementing algorithms, creating small programs. In addition I'm good at physics and cryptography, that can be useful.

    $16.67 /hr
    101 hours
    4.92
  6. Girish V.

    Girish V.

    Perl,C,node.js crypto coder with TCP/IP networking

    India - Last active: 1 day ago - Tests: 7 - Portfolio: 3

    Girish is a seasoned UNIX professional with rich networking experience working with protocols, low level protocols encoding, solving tough interop issues, reading RFCs, implementing standards, working on e-mail spam control, mail servers, firewalls etc. Also have excellent node.js and jquery skills. I am also experienced in MEAN, mongodb, facebook integration, oauth2 et al Specific expertise is on OpenBSD, perl coding, C and web technologies such as jQuery , javascript and products development.His open souce work is: http://gayatri-hitech.com I offer 100% refund policy on dissatisfied work.

    $33.33 /hr
    60 hours
    4.45
  7. Charandeep S.

    Charandeep S.

    .Net, Java , Web and Mobile Applications, Web APIs

    India - Last active: 1 day ago - Tests: 1

    Myself Deep Kamboj, worked in California, USA from last 11 years and have excellent communication skills and passion to meet deadlines. I am having more than 11 years of experience in developing applications including Web, Desktop, Web and Windows Services . I have been doing programming in C++, C ,C# , Visual Basic, VB.net and Java. I have worked on different relation database, SQL SERVER and DB2, I am also Microsoft Certified Technology Specialist [MCTS], Sun Certified Java Programmer [SCJP] and Microsoft Certified System Engineer [MCSE]. I am on Odesk seeking to continue my career in database and web application development.

    $10.00 /hr
    215 hours
    4.83
  8. Yogesh J.

    Yogesh J. Agency Contractor

    CTO

    United States - Last active: 3 months ago - Tests: 4 - Portfolio: 14

    Be a technology service provider who is not only reliable but also affordable. I have 16+ Years of verifiable USA Industry experience in Architecting/Designing/Developing Software Systems on various platforms. I am a US citizen so traveling or work Authorization is not an issue. Key Skills include: C++, Perl, PHP, Java Xerces, Poco, Boost, STL Data Structures and Algorithms CORBA, Messaging Services Protocols: SMTP, Modbus, HTTP, FTP, DNS Linux (CentOS, Ubuntu, RHEL etc), Unix (Solaris, HP, AIX etc), Embedded (REX, VxWorks, Linux), Windows HTML, DHTML, Java Scripts, CGI, PHP, Magento, ZEND, LAMP, FastCGI, WSDL, XML, XSLT, Wordpress MySQL, PostgreSQL, Informix, Oracle, Mongodb TCP/IP, Socket Programming, Multithread Programming, UNIX IPC, System Level, Kernel, device Drivers Clearcase, CVS, SVN. Multi (Green Hills), Eclipse gdb, ddd, valgrind, purify CMS: Wordpress, Magento

    Associated with: Advanced Image Inc. Agency

    $33.33 /hr
    475 hours
    4.59
  9. Vedanarayanan G.

    Vedanarayanan G. Agency Contractor

    Software Technology Solution Provider

    India - Last active: 4 months ago - Tests: 4 - Portfolio: 2

    I have over 20+ years of experience in core software development. I started as a software engineer and my last job was CTO in a privately held organization. Currently consulting on embedded systems and teaching data structures & algorithms. I worked in text/data mining domain. Good knowledge in Corejava, J2EE, Oracle/SQL and XML. Hands-on in publication domain. Extensively worked in parsers (Lex/Yacc), language analysis. Architected CASE tools for SGV Sarc (www.sgvsarc.com). Mentored the team members very well. I have managed multiple projects (more towards technical than managerial) and provided optimal and effective solutions to any software problem. I am honest, likable by team members and people should love to work with me. Hands on in reverse and forward engineering, parsing, text/data mining and profiling technologies, language analysis, data structure & algorithms, PSP/TSP, project management. Have exposure to SW-CMM. Visited USA 6 times on B1

    Associated with: Pluma Knowledge Solutions Pvt Ltd

    $33.33 /hr
    71 hours
    5.00