My Knowledge
Techniques & Technologies
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Agile Software development: XP, Scrum, TDD, BDD, CI
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Web development: HTML, CSS, Ajax, Flash, Json, XML
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Security: General security concepts, Encryption, Specific attack vectors (SQL injections, XSS, CSRF, Session attacks)
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High-performance systems: Caching, Parallel computing, Event based programming, Interprocess communication
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High availability (ha) systems & load balacing: General concepts, Failover, Replication
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Data communications: Client-Server concepts, Routing (BGP4), Network protocols (Ipv4/6, TCP, UDP)
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Centralized server & cluster administration with customized netboot setups
Programming languages
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Application development: C/ C++, Java, Pascal, Basic
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Web development: Ruby/ Ruby on Rails, Javascript, PHP (OOP), Actionscript
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Database access: SQL (advanced)
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Shell programming: Perl, Bash
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Optimized/ embedded programming: 0x86 Assembler
Software I use
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Project managment: Basecamp, Pivotal Tracker, Highrise, GitHub
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Operating systems: Linux (Debian, Ubuntu, Suse), Android, Windows 3.1+, MS-DOS
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Web Frameworks: Ruby on Rails, jQuery, jQuery-UI, jQuery Mobile
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Testing tools: RSpec, Cucumber, Selenium, Hudson/ Jenkins
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Hosting: Web-Server, PowerDNS, BIND, Exim, Dovecot, DHCP3, Amazon S3
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Databases: MySQL (incl. InnoDB), PostgreSQL, SQLight, CouchDB, Memcached, Redis
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Security: IpTables, OpenVPN, OpenSSH, OpenSSL
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High availability & load balacing: HaProxy, Varnish Cache, S3, Heroku
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Virtualization: LXC, Linux V-Server, OpenVZ, VirtualBox, XEN
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Image processing: Photoshop, Illustrator, GIMP, Adobe Flash
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Development tools: Jedit/ Textmate, Netbeans, Eclipse, Visualstudio, git, Valgrind
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Adminstration & deployment: Chef, Puppet, Capistrano, RVM
Gems I like
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Core system: rails (3+), jquery-rails
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Database: activerecord, sequel, pg, mysql2, squeel
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Authorization & authentication: cancan, omniauth
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Views: haml, sass-rails, formtastic, attrtasic, dynamic_form, kaminari, remotipart, navigasmic
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Testing: rspec-rails, cucumber-rails, factory_girl_rails, timecop, database_cleaner
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Deployment & server: capistrano, unicorn, thin
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Miscellaneous: dalli, carrierwave, nokogiri, exception_notification, rjb
Contact
Like what you see? Just drop me a line and I'll get back to you!
Phone
+49 15156137223
+41 325134024