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Cryptography Upwork freelancers typically receive a client rating of 4.85.

Last updated: October 1, 2015

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Mark Heramis

Mark Heramis

Programmer and SEO

Philippines - Tests: 2 - Portfolio: 1

Hey there! I'm Mark Heramis - your savvy web development specialist. I'm here to help you fire up your business with web based solutions that work like a charm. I share ideas & offer services related to web development, web design, and of course, search engine optimization (SEO). I am open to new technological advancement and can quickly adopt to it. I learn fast, work hard, and pay attendion to details. I am cooperative and is willing to take the extra miles to achieve the expected ends. How to reach me Skype: chum.heramis Email: Time: 4pm - 5am philippine time In case we have incompatible time, you can send me an email to schedule for a discussion.

$5.00 /hr
60 hours

Dmitry Popov

Dmitry Popov

Senior VMware and Linux administrator

Russia - Tests: 1

In terms of skills, I am strong Cisco Network and VMware Engineer. Have strong switching/routing/firewall experience. I am also have reach experience of working within a virtual environment (VMware). Have deep VoIP knowledge. I am looking to move into a more design focussed role. Have years of support/implementation experience and would like a more architecture oriented role. But administration tasks are also very interesting for me. I can solve problems quickly and professionally.

$30.00 /hr
0 hours

Stefano Fratini

Stefano Fratini

Software Engineer / Java / PHP / Cloud / NoSQL / Cryptography

Australia - Tests: 6 - Portfolio: 8

I'm a software engineer based in Sydney I'm always after the simplest solution that deliver value to the business Areas of expertise - Web development (Java & Php) - Cloud computing (paas and saas) Google/AWS - API development - Security and Network Security - Mobile applications development (Android) with scalable Cloud Backends - NoSQL solutions - Mentoring and team management - Binary protocols (Hessian / Apache Thrift) Skills Programming languages: Php / Java Core / JEE / Android /Struts / Guice / Spring / Spring MVC, Hibernate / Google Application Engine / C/C++ Databases: MySql / MongoDB / Google Bigtable / Bigdata / CouchDB Interests: Cryptography / Secure API development Platforms: Windows / Linux (Ubuntu) / Linux ARM

$55.56 /hr
1,288 hours

Andrew Grigorev

Andrew Grigorev

Python developer with strong Linux background

Russia - Tests: 3

My career started at the university, in the data center network laboratory. There I became familar with FreeBSD and Linux, TCP/IP networks, and different services and started to use Python for my university tasks. Also, there I became interested in participating in computer security competitions, called CTF, and I have some success in it. Today I'm a professional Python developer working in Yandex, one of the largest Russian IT companies. If you need a Python programmer with great experience of Django, Flask, Tornado and other frameworks, who is familar with MySQL and PostgreSQL databases (but doesn't hesitate to use MongoDB, Redis, etc.) and has strong Linux administration skills - I'm the right person. Basic web-design skills and JavaScript knowledge are included. Also, I have some experience in writing crypto applications. Using Python with M2Crypto or C with OpenSSL or gcrypt.

$16.67 /hr
0 hours

Jorge Lopez

Jorge Lopez

Ethical Hacker and Digital Forensic Investigator

Mexico - Tests: 4

For the past seven years, I have been learning about the information security world, working as an CEH (Certified Ethical Hacker). With some of my co-workers, i have participated in a lot of projects, strictly focused on Information Security. Also, as we evolve and grow in this area, we have trained ourselves in Forensics Sciences, attending clients who need to know what happened after a contingency. I consider myself a self-taught person that likes to grow and that is not afraid of challenges or difficult cases. At this moment my priority is to teach and so much to share the little knowledge I have gained over the years, as well as learn from those who have traveled a different path and with this keep on growing.

$111.11 /hr
0 hours