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

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On average, 7 Cryptography projects are completed every quarter on Upwork.


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Cryptography Upwork freelancers typically receive a client rating of 4.85.

Last updated: October 1, 2015

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Déborah Mendes

Déborah Mendes

Master Student - Computer Science


My name is Deborah, I am a master student in Computer Science, I have deep knowledge of PHP, Java, HTML, C, C++ and Lua. I also have experience working with functional languages, such as Haskell and with logic programming, such as Prolog. I have been assistant for the course "Programming Languages" at my University for three years. I am looking for opportunities to work in short to medium sized projects. I can program very fast, so I can deliver projects in short time. I am a native Portuguese speaker from Brazil and I am fluent in English. I am looking for any translation projects related to these languages.

$20.00 /hr
0 hours

Dragomir Goranov

88% Job Success
$33.33 /hr
21 hours

Alexander Shevtsov

Alexander Shevtsov

Mathematician, physicist, ruby and haskell developer.


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.

90% Job Success
$16.67 /hr
144 hours

Bisher T.

Bisher T.

R&D Software Engineer

Jordan - Tests: 6

I'm a software engineer and a computer scientist with over 15+ years of experience in C++, Java, AI, computer graphics and image processing.Over the course of my career I have successfully created and delivered high end software for the desktop, web and mobile platforms. I hold a Masters degree in Computer and Data Security and two Bsc. degrees in computer science and electronic engineering and have taught computer science for over 4 years to undergraduate students.

88% Job Success
$55.56 /hr
6 hours

Youssef M.

Youssef M.

Senior Software Engineer, Data Warehouse Specialist, Technical Writer

Egypt - 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.

96% Job Success
$16.67 /hr
1,411 hours

Naveed A.

Naveed A.

Embedded Security Expert

Pakistan - Tests: 1

I have been working in the following areas for last 8+ years. Embedded Development in C, C++, Assembly Digital Signal Processing Applied Cryptography Microprocessor based Schematics/PCB design Currently I am providing consultancy services to a number of startups in the area of information/computer security.

$15.00 /hr
0 hours

K. M. Rakibul Islam

K. M. Rakibul Islam Agency Contractor

Senior Ruby on Rails Developer

Canada - Tests: 5 - Portfolio: 3

I am a passionate Software Engineer and Web Developer, currently working at Quandl Inc, Toronto, Canada. Here we build intelligent search engine for numerical time series data. I work massively with Ruby at Quandl and Rails is the framework that I use here. Also, I use JavaScript, CoffeeScript and jQuery for front-end development. I love to write clean tested code. Prior to joining Quandl, I have worked as a Software Engineer (R&D) at KONA Software Lab which is a South Korean Software Lab. There, I worked on Smart Card Management System and implemented Secure Communication Protocol for smart cards using Java. I also researched on and worked with Web Services Security and Java Web Services. I gained my Bachelor Degree in Computer Science and Engineering with Distinction (Honors) from Bangladesh University of Engineering and Technology (BUET) which is the best engineering university of Bangladesh. Now, I am studying Masters in Computer Engineering at University of Toronto. I am a technology independent developer having solid understanding of Object Oriented Design, Database Systems Design, Algorithms and Data Structures. I can learn and adapt to any new technologies and systems very quickly. As well, I am very hard working in nature and always love to work hard to get things done. I am a friendly and positive team player too. Specialties: → Algorithms, Software Engineering, Software as a Service (SaaS), Test Driven Development (TDD), Web Development, Object-Oriented Analysis and Design, RDBMS, Genetic Algorithms, Evolutionary Algorithms. → Ruby, Ruby on Rails, Core Java, JavaScript, CoffeScript, jQuery, Ajax, Haml, Sass,Twitter Bootstrap, Github, Heroku, Objective C, C, C++, UNIX Shell Programming. → RSpec, Cucumber, Rails Web Services, RESTful Architecture, Apache CXF, SOAP, WSDL, WS-Security, Open GL, XML, XSD, SDMX, XPath, Nokogiri, XQuery, YQL, JSON, AWS Elastic Beanstalk. → SQL, SQLite, PostgreSQL, MySQL. → Open Source enthusiast.

Groups: SocialEngine

Associated with: BrainLinks Soft

$33.33 /hr
0 hours