• Algorithms Analysis and Applied Mathematics (Combinatorics);
• Java and OOP;
• Software Engineering (Requirements Engineering, Design Patterns, N-Tiers Architecture, Software Quality Attributes);
• Database Design and Interrogation (SQL);
• ETL and Reporting;
• Ubuntu (both the OS and the philosophical concept) and Debian;
• Skills in HTTP (Apache 2.4, TCPDUMP).

Below my Algorithms research references legacy:

• Dr. Jauhar Ali
  • http://faculty.kfupm.edu.sa/ics/jauhar/ics202/Unit03_ComplexityAnalysis1.ppt
  • http://faculty.kfupm.edu.sa/ics/jauhar/ics202/Unit04_ComplexityAnalysis2.ppt
  • http://faculty.kfupm.edu.sa/ics/jauhar/ics202/Unit12_AnalysisOfRecursiveAlgorithms.ppt
• Dr. Louis Nel
  • http://people.scs.carleton.ca/~sbtajali/2002/slides/01%20Analysis%20of%20Algorithms.pdf
• Dr. David Mount
  • http://www.cs.umd.edu/~meesh/351/mount/lectures/lect3-sums-and-loops.pdf
• Dr. Chandra Chekuri
  • http://www.cs.illinois.edu/class/fa07/cs473ug/Lectures/lecture6.pdf
• Dr. Jugal Kalita
  • http://www.cs.uccs.edu/~jkalita/algorithms.pdf
• Dr. Mark Allen Weiss
  • "Data Structures and Algorithm Analysis in C++", Third Edition
• Dr. Yonatan Katznelson
  • http://courses.soe.ucsc.edu/courses/ams11b/Fall12/01/attachments/13753
• Dr. Rashid Bin Muhammad
  • http://www.personal.kent.edu/~rmuhamma/Algorithms/algorithm.html
• Dr. Johann Blieberger
  • http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.14.1591
  • http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.14.3672
  • http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.34.2122