Primary Languages |
Ruby, Javascript, Python, C, C#, Java, Bash, SQL |
Secondary Languages |
Rust, Elixir, R, PHP, Perl, PL/SQL, Objective C (iOS), Visual Basic |
Tertiary Languages*
|
Lua, Go, Scheme, Prolog, Octave, C++, MIPS Assembly, Pascal |
Ruby Stack |
Ruby on Rails, Haml, Stimulus.js, Sidekiq, Capistrano, Heroku, Spree, Innumerable gems |
Python Stack |
Django, Flask, SQLAlchemy, wsgi, numpy*
|
PostgreSQL |
Custom C Extensions, PL/pgSQL, Tuning, Query Optimization, Replication, Training |
Other RDBMSes |
MySQL, MS SQL Server, Oracle, MS Access, FileMaker Pro, OLTP vs OLAP |
NoSQL/AltSQL |
Redis, MongoDB, Memcached, InfluxDB |
Front end |
React, Solid.js, Vue.js, Angular.js, jQuery, Ramda, Optimization |
Scalability |
Load-Balancing, Database Replication, Failover, Share-Nothing Architecture |
AWS |
Terraform, Cloud Formation, EKS, Lambda, Beanstalk, OpsWorks, Athena |
DevOps |
Kubernetes, Docker, Systemd, Chef, Ansible, Nginx, Apache, Munin, StatsD, Grafana |
Social Media |
Integration with Facebook, Twitter, Google, LinkedIn, Wordpress |
Development Tools |
vi, Ant, Maven, Eclipse, Spring, Launch4j, Automake/Autoconf |
Testing |
RSpec, Capybara, Minitest, Jasmine, Python unittest |
Source Code Control |
Git, Github, Subversion, CVS, Clearcase*, RCS, Scmbug |
Credit Cards |
Stripe, PayPal, TSYS, Braintree, Cybercash, Payflo Pro |
XML |
SAX, DOM, XSLT, XPath, FO, XSD, DTD, namespaces, XMLRPC, SOAP, WSDL |
Print |
Prawn, Poi, LATEX, FrameMaker, QuarkXPress, Illustrator, Photoshop, Distiller |
Net |
DNS, FTP, SMTP, snoop, tcpdump, iptables, ipchains, ssh, rsync, DHCP |
Miscellaneous |
Unicode, Remind, Gnuplot, X11, GPG, JSON, YAML, Markdown |