CTO
2013 - PRESENTStartup Compass- Led a team of 4 developers and 2 data-scientists.
- Designed and developed a software hub to automatically collect data from a wide range of data APIs (e.g., Square, Google Analytics, Paypal, Freshbooks, Xero, Highrise).
- Introduced server provisioning for AWS OpsWorks with Chef and Berkshelf.
- Built and administered micro-service infrastructure with independent modules, message queues, and scheduler.
- Introduced Continuous Integration with Jenkins.
Technologies: Mixpanel, StatsD, logentries, RSpec, Jenkins, Berkshelf, Chef, AWS OpsWorks, Resque, Redis, MongoDB, PostgreSQL, RabbitMQ, AngularJS, Ruby on Rails (RoR), Sinatra, RubyCTO
2012 - 2013Quan Digital- Managed MySQL-databases with billions of entries (containing qualitative SEM/SEO keyword-lists in 6 languages).
- Designed and oversaw multiple Hadoop/HBase clusters (3-4 nodes) collecting half a billion new data points per week and running Map/Reduce analyses (containing qualitative search engine visibility data for 6 countries).
- Realized fast data search with HBase data dumps and Lucene indexes.
- Led a team of 10+ developers and product manager.
- Designed and realized product Rankpanel, an open search-visibility analytics tool.
Technologies: Hadoop, HBase, Java, Solr, Apache Lucene, Bash, Zend Framework, PHP, MySQL, LAMPCTO
2006 - 2012Linklift- Grew company to 60+ employees, 5,000+ webmasters (customers), 4+ million € annual turnover, and profitability.
- Designed and developed the software back-end of the Linklift technology platform, a software setup which dealt with half a billion data-points per week (LAMP stack with automated payment-system and API for CMS-plugins).
- Designed, set up, and administrated a webscraping infrastructure, including in-house server-farm and 20+ controllable VDSL-lines with service-API (libraries in PHP and Java), web front-end, and centralized task management.
- Introduced internationalization for 6 languages and 4 currencies (using i.a. gettext, po/mo).
- Led a team of 10+ developers and product manager.
Technologies: Internationalization, Bash, Perl, CMS Structure & Configuration, Joomla, Drupal, WordPress, PHP, MySQL, LAMPPhD Student with Lectureship
2005 - 2006Technical University of Berlin- Organized university courses.
- Lectured 300+ undergraduate students.
- Conducted written and oral exams.
- Led a team of 15 tutors, creating seminars and weekly exercises.
- Researched in modeling object-oriented systems by transformation-systems.
Technologies: Algorithms, Algebra
Andreas "Rayo" Kniep
HTTP Developer in San Francisco, CA, United States
Member since May 27, 2015
Rayo has worked in the software industry since 1999, but his passion for writing software began when he started developing computer games at age 13. He has taught Theoretical Computer Science at the Technical University of Berlin before successfully co-founding Linklift, a company in the SEO-space. He is a fullstack developer with back-end focus who loves to implement systems and constantly fine-tune his programming and architectural skills.
Andreas is now available for hire
Portfolio
- Startup CompassMixpanel, StatsD, logentries, RSpec, Jenkins, Berkshelf, Chef, AWS OpsWorks...
- Quan DigitalHadoop, HBase, Java, Solr, Apache Lucene, Bash, Zend Framework, PHP, MySQL, LAMP
- LinkliftInternationalization, Bash, Perl, CMS Structure & Configuration, Joomla...
Experience
- SQL 10 years
- HTTP 7 years
- Regular Expressions 7 years
- Bash Script 5 years
- Chef 2 years
- PostgreSQL 2 years
- Ruby 2 years
- Sinatra 1 year
Availability
Part-time
Preferred Environment
MacBook, RubyMine, Subversion (SVN)
The most amazing...
...thing I've built was an automated data-collection & webscraping infrastructure (in-house server farm, 20+ VDSL-lines, sharded MySQL-setup, 6 HBase clusters).
Employment
Experience
- Compass Benchmarking
Compass is a benchmarking tool currently focusing on Google Analytics and payment services such as Stripe or PayPal, that helps decision makers (e.g., CEOs) to bring business data together in an actionable dashboard.
- Compass Monitor
Compass Monitor is a portfolio tracking tool for consultants, advisers, and investors. Directly monitor progress via automatic data connections to your portfolio companies.
- Linklift
Linklift reaches out to bloggers, independent journalists, and webmasters in general. Together with its online marketing agency Quan Digital, it creates a partnership between content creators and advertisers with focused text-link marketing.
- 2048 with Stats and Soundshttp://andirayo.github.io/2048stats/
Simple JavaScript game spiced up with live statistics and sounds
Skills
Languages
PHP, Ruby, SQL, Bash Script, Bash, Perl, JavaScript, JavaTools
Google Analytics, Subversion (SVN), Trac, RubyMine, Chef, Git, RabbitMQ, AWS OpsWorks, Jenkins, Jira, RSpec, CVS, Turbo Pascal, SolrStorage
MySQL, Memcached, Redis, MongoDB, PostgreSQL, Amazon S3 (AWS S3), HBaseOther
Scraping, Regular Expressions, Algorithms, Data Structures, HTTP, MacBook, CMS Structure & Configuration, Internationalization, Berkshelf, logentries, StatsD, Algebra, SOLID Principles, RHEL, Ubuntu ServerFrameworks
OAuth 2, Zend Framework, Linux OpenSuSe, Hadoop, AngularJS, Sinatra, Ruby on Rails (RoR)Libraries/APIs
Apache Lucene, Resque, jQueryParadigms
Functional Programming, REST, MicroservicesPlatforms
Amazon EC2, Linux, LAMP, Mixpanel, WordPress, Drupal, Joomla
Education
- Master's Degree in Computer Science2001 - 2005Technical University of Berlin - Berlin
