Software Development

I've been working as software developer since 1998 (since 2003 on a freelance basis). Following is a list of the knowledge areas for which I offer development and consultancy services.

Relational Database Systems

• database modeling
• PostgreSQL programming and administration
  • SQL & client programming (C/libpq, Java/JDBC and others)
  • server programming (PL/PgSQL procedures, C extensions)
  • administration (DBA), including setups with replication and connection pooling
• Oracle DB programming
  • SQL & client programming (Java/JDBC)
  • server programming (PL/SQL procedures)
• migrations of existing systems (for example MySQL, Oracle DB) to PostgreSQL

Data Science, Data Analysis, Research & Development

• programming and analysis using MATLAB and Octave
• data acquisition, custom ETL systems
• statistics, machine learning and deep learning
• number crunching and high-performance computing in C/C++

Linux/Unix, C/C++, Java and Shell Programming

• operating systems: Linux and other Unix-like systems (OpenBSD, macOS), VxWorks and others
• C/C++ programming:
  • system programming
  • network programming
• Bash scripting
  • batch processing
  • system administration scripts
• tools: GNU toolchain (make, gcc, gdb), clang, cmake, bash, ssh, svn & git, standard Unix & GNU tools

Web Development, XML/JSON and Web Hosting

• backend programming:
  • Java, Servlets/JSP on Apache Tomcat
  • Javascript on Node.js/Express and Apache httpd
• XML, JSON and related technologies and tools
• hosting/deployment/devops:
  • Linux system administration (Debian, Amazon Linux, the Linux distributions of a prominent North American vendor until they decided to kill CentOS-Linux, etc.)
  • cloud computing with Amazon Web Services (AWS): EC2, RDS, Route 53, S3, etc...
• HTML5/CSS and Javascript

Note: many of the names for software products mentioned on this page are registered trademarks.