Python (Jango, Tensorflow, BeautifulSoup, Numpy, Scipy, Pillow, Hashlib, Imagehash, opencv)
Ruby (Ruby on Rails)
PHP (CodeIginter, Laravel)
Common Lisp (sbcl, sly, caveman2, numcl, petalisp)
MySQL (high loaded)
Docker, Docker compose
AWS, Terraform, Ansible, Jenkins
Git (+ self hosted git servers), Jira, Bitbucket, Github